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 E6x50 overclocking warning, Possible wrong core temperature reading!

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TSkmarc
post Jul 29 2007, 10:52 PM, updated 19y ago

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With my new E6750 and from others who have reported their CPU info, I found that the core temperature reading was not logical.

I have done some researching and found that other people with the E6x50 CPUs are reporting the same problem - inaccurate readings. Apparently due to a new line of CPUs with the G0 stepping.

As such, some has recommended adding another 15'c to the temperature readings due to the higher Tjunction of E6x50 series (From Tjunction of 85'c to 100'c, but for now, nobody knows for sure what the actual value is)

I think this applies to current 3rd party software that reports the core temp, until such time as newer versions appear with the corrected/accurate temperature readings.

So, for those with these nice new E6x50 series, pls be careful if you are overclocking your CPUs.

Here are some links on the discussion:
http://www.overclock.net/intel-cpus/216083...-amazing-2.html
http://www.xtremesystems.org/forums/showthread.php?t=152780
http://forums.anandtech.com/messageview.as...9&enterthread=y
http://www.xtremesystems.org/forums/showthread.php?p=2330285
http://www.hardforum.com/showthread.php?t=1212640

Don't just believe me, do your own research!!! nod.gif

This post has been edited by kmarc: Aug 2 2007, 10:11 PM
sniper69
post Jul 29 2007, 10:54 PM

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hmm.gif, recently bought the E6850 and installed (my friend's), he didn't encounter any problem related... well, i'll ask him right away...
TSkmarc
post Jul 30 2007, 08:44 AM

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QUOTE(sniper69 @ Jul 29 2007, 10:54 PM)
hmm.gif, recently bought the E6850 and installed (my friend's), he didn't encounter any problem related... well, i'll ask him right away...
*
Think about it. The only difference between E6750 and E6700 is the FSB speed (1333Mhz vs 1066Mhz) and stepping (G0 vs B2). Other than that, both are exactly the same especially the TDP and 65nm manufacturing process.

As such, how can the E6750 be so much cooler on stock heatsink as compared to the E6700? rclxub.gif

However, if you look at their specs, apparent the thermal specification for both are also different. E6750 is at 72'c while the E6700 is at 60.1'c (See table below)

This is Intel's definition of thermal specification "Thermal Specification: The thermal specification shown is the maximum case temperature at the maximum Thermal Design Power (TDP) value for that processor. It is measured at the geometric center on the topside of the processor integrated heat spreader. For processors without integrated heat spreaders such as mobile processors, the thermal specification is referred to as the junction temperature (Tj). The maximum junction temperature is defined by an activation of the processor Intel(R) Thermal Monitor. The Intel Thermal Monitor's automatic mode is used to indicate that the maximum TJ has been reached"

Anybody care to explain what thermal specification means in the OC world?

Added : Comparison table - look especially at the thermal specification (maximum case temperature) of E6750 vs 6700 smile.gif

This post has been edited by kmarc: Aug 1 2007, 04:14 PM


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SlayerXT
post Jul 30 2007, 12:17 PM

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So how if we oc the cpu and not reach the max case temperature? It should be safe right?(Not sure bout the core temp though)
t3chn0m4nc3r
post Jul 30 2007, 01:32 PM

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hm... i juz played around wif Celeron 420 on customer's new order... seems very cool on Gigabyte GA-945GCMX-S2... i did't check the temp but the fan rarely spin and the sink is cool... ohmy.gif
TSkmarc
post Jul 30 2007, 03:25 PM

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Wow! Intel's customer support is impressive. Already receive a reply from them!!!

However, it didn't address the issue directly but nevertheless, I'm impressed!

And you can see in the reply that the max core temp is indeed increased compared to previous stepping (E6700). thumbup.gif However, do remember that they are referring to non-overclocked CPUs!!!!

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This post has been edited by kmarc: Jul 30 2007, 03:26 PM
jasonkwk
post Jul 30 2007, 04:07 PM

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ya, my Asus ProbeII give different temperature value with other program.
SlayerXT
post Jul 30 2007, 04:17 PM

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Really brief xplanation u got there. I think the new stepping probably wont get any cooler but will bear maximum case temperature of 74c. Well, hav u contact Gigabyte for the motherboard temperature reading? Or third party software u r using?
TSkmarc
post Jul 30 2007, 04:24 PM

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QUOTE(jasonkwk @ Jul 30 2007, 04:07 PM)
ya, my Asus ProbeII give different temperature value with other program.
*
What is the difference in your temperature reading? At load, my Easytuner5 shows 54'c but TAT/speedfan (core0/1)/core temp shows 48'c.... rclxub.gif

QUOTE(§layerXT @ Jul 30 2007, 04:17 PM)
Really brief xplanation u got there. I think the new stepping probably wont get any cooler but will bear maximum case temperature of 74c. Well, hav u contact Gigabyte for the motherboard temperature reading? Or third party software u r using?
*
Already emailed gigabyte customer support!!! laugh.gif

This post has been edited by kmarc: Jul 30 2007, 04:24 PM
remysix
post Jul 31 2007, 03:37 PM

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just bought a E6850...will surely check it out once installed...just imagine that u keep on pumping vcore and generating more heat while ur software said,"It's find, u can push some more!"...
TSkmarc
post Jul 31 2007, 03:59 PM

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QUOTE(remysix @ Jul 31 2007, 03:37 PM)
just bought a E6850...will surely check it out once installed...just imagine that u keep on pumping vcore and generating more heat while ur software said,"It's find, u can push some more!"...
*
Pls do give some feedback. Wah, you orang kaya aaa.... Q6600 not enough aaa??? rclxub.gif
remysix
post Jul 31 2007, 04:30 PM

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QUOTE(kmarc @ Jul 31 2007, 03:59 PM)
Pls do give some feedback. Wah, you orang kaya aaa.... Q6600 not enough aaa???  rclxub.gif
*
will do that tonite and see how's the temp...
not kaya la bro...that Q6600, passing it to my brother this weekend...since this E6x50 just out, wanna give it a try la biggrin.gif
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post Jul 31 2007, 04:37 PM

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QUOTE(remysix @ Jul 31 2007, 04:30 PM)
will do that tonite and see how's the temp...
not kaya la bro...that Q6600, passing it to my brother this weekend...since this E6x50 just out, wanna give it a try la biggrin.gif
*
That's call kaya la. Like AceCombat, also got quad core but give to brother to use..... laugh.gif
jasonkwk
post Jul 31 2007, 05:19 PM

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anyone know what program to see CPU temperature? the Asus ProbeII really sucks, dont even try use Asus overclock program, keep getting BSOD after using it.
AceCombat
post Jul 31 2007, 05:48 PM


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Just back from my friend's house playing his E6850 and i shocked to see this thread.

running stock speed with core temp reported at 18c....

and it's cold,even i orthos it with stock hsf and stock speed,core temp reported 26c,is the new generation so cool or the temp is really misreading?
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post Jul 31 2007, 05:50 PM

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QUOTE(AceCombat @ Jul 31 2007, 05:48 PM)
Just back from my friend's house playing his E6850 and i shocked to see this thread.

running stock speed with core temp reported at 18c....

and it's cold,even i orthos it with stock hsf and stock speed,core temp reported 26c,is the new generation so cool or the temp is really misreading?
*
definitely misreading lar... u cannot have a processor running lower than ambient temperature.
TSkmarc
post Jul 31 2007, 06:54 PM

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QUOTE(jasonkwk @ Jul 31 2007, 05:19 PM)
anyone know what program to see CPU temperature? the Asus ProbeII really sucks, dont even try use Asus overclock program, keep getting BSOD after using it.
*
There are many programs that you can use, for example:
1) Speedfan
2) Core temp (don't use 0.95 as sometimes causes reboot)
3) Intel's TAT (thermal analysis tool)
4) Everest
5) You own mobo's software

QUOTE(AceCombat @ Jul 31 2007, 05:48 PM)
Just back from my friend's house playing his E6850 and i shocked to see this thread.

running stock speed with core temp reported at 18c....

and it's cold,even i orthos it with stock hsf and stock speed,core temp reported 26c,is the new generation so cool or the temp is really misreading?
*
Yup. Wrong reading la. How can a proc be 26'c on load with stock heatsink??!!?

Still waiting for gigabyte to reply me email....
AceCombat
post Jul 31 2007, 07:20 PM


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well anway,orthos for more than 3 hours and the heat sink is totally cool sweat.gif no heat at all at the sink there.

yup,using core temp 0.94 and speed fan showing the same temp with core temp.
remysix
post Jul 31 2007, 07:22 PM

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QUOTE(AceCombat @ Jul 31 2007, 07:20 PM)
well anway,orthos for more than 3 hours and the heat sink is totally cool sweat.gif no heat at all at the sink there.

yup,using core temp 0.94 and speed fan showing the same temp with core temp.
*
u meant u touched the heatsink it's cool-->not hot?
AceCombat
post Jul 31 2007, 07:27 PM


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yes,excatly,i can make sure the contactivity is good,and this prove that the proc is cool,btw....the mobo is P35 DS3,the chipset is 43c when orthos,(no oc) and the proc is 26 sometime jump to 28 then back to 25-26 like that.

AMAZING!!!!!!!! notworthy.gif
TSkmarc
post Jul 31 2007, 07:29 PM

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QUOTE(AceCombat @ Jul 31 2007, 07:20 PM)
well anway,orthos for more than 3 hours and the heat sink is totally cool sweat.gif no heat at all at the sink there.

yup,using core temp 0.94 and speed fan showing the same temp with core temp.
*
So, idle temp is 19'c and load is 26'c? Impossible!!! What's was the ambient temperature?

Something is definitely not right. Is the stock heatsink seated properly? Even now on my stock heatsink doing 2x single-client orthos at 3.2Ghz at 1.35v, the heatsink feels slightly warm and Easytuner5 shows core temp of 47'c. If I run orthos, the core temp will go up to 55'c and the heatsink will feel hot.....
remysix
post Aug 1 2007, 09:01 AM

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installed the E6850...
run the OCCT at 3.6G@1.45v/1.44vdroop...
i have 3 temp reading software running: EasyTuner5, CoreTemp and Speedfan as per pic attached. dunno whether can believe or not the reading but seems valid enuff. btw, my E6850 has the Tjunction of 85c not 100c like other guys
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ktek
post Aug 1 2007, 09:35 AM

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just my thought :
higher FSB + lower multiplier + maintain processor speed = lower operational temperature
but definately not below room temperature doh.gif

ADD :
my experience is when you open multiple temperature reading software , some will actually affecting each others' value .
better open one by one .

This post has been edited by ktek: Aug 1 2007, 09:38 AM
remysix
post Aug 1 2007, 10:16 AM

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QUOTE(ktek @ Aug 1 2007, 09:35 AM)
just my thought :
higher FSB + lower multiplier + maintain processor speed = lower operational temperature
but definately not below room temperature doh.gif

ADD :
my experience is when you open multiple temperature reading software , some will actually affecting each others' value .
better open one by one .
*
already did that...got the same reading for CoreTemp and Speedfan --> kinda funny temps. then i opened all three. the CPU temp is reported the same for Speedfan and Easytune...but the Core0 and Core 1 temp is really ridiculous...really really hope somebody comes up with the apps to support the E6x50...
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post Aug 1 2007, 01:52 PM

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I wonder if Q6600 G0 stepping will gone the same temperature reading problem. hmm.gif
TSkmarc
post Aug 1 2007, 04:12 PM

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QUOTE(remysix @ Aug 1 2007, 09:01 AM)
installed the E6850...
run the OCCT at 3.6G@1.45v/1.44vdroop...
i have 3 temp reading software running: EasyTuner5, CoreTemp and Speedfan as per pic attached. dunno whether can believe or not the reading but seems valid enuff. btw, my E6850 has the Tjunction of 85c not 100c like other guys
Attached Image
*
That's exactly what my rig is showing. Easytuner5 showing 6'c higher than core0/1, like yours. Speedfan also exactly the same readings (6'c difference). If you use Intel's TAT, it will also show 6'c lower.....

For now, I'm just using Easytuner's CPU temp to gauge my core temperature.

Remember that current apps still do not officially support Intel's new E6x50 series as they were written prior to the introduction of these new CPUs. As such, nobody yet knows what is the Tjunction of the E6x50 series. For all we know, it could still be 85'c!!!

However, I think the Tjunction for these new proc are higher due to their higher thermal specification (Maximum case temperature). See below - compare E6700 and E6750, which are exactly the same proc except for steppings and FSB.

QUOTE(§layerXT @ Aug 1 2007, 01:52 PM)
I wonder if Q6600 G0 stepping will gone the same temperature reading problem. hmm.gif
*
Same thing with the Q6600 G0 stepping. They are supposed to have a Tjunction of 100'c instead of 85'c. That's what I understand from the hyperlinks in the 1st post......

This post has been edited by kmarc: Aug 1 2007, 04:43 PM


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remysix
post Aug 1 2007, 04:35 PM

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QUOTE(§layerXT @ Aug 1 2007, 01:52 PM)
I wonder if Q6600 G0 stepping will gone the same temperature reading problem. hmm.gif
*
it is due to G0 stepping or 1333Mhz proc?
anyone with Q6600 with G0 stepping, pls reportn in...

my Q6600 is showing Tjunction of 100c and the the VID is 1.275v...sweet...but it's not G0...it's B3 though

This post has been edited by remysix: Aug 1 2007, 04:37 PM
SlayerXT
post Aug 1 2007, 06:12 PM

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For B3 stepping should have no problem though.
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post Aug 1 2007, 07:42 PM

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QUOTE(remysix @ Aug 1 2007, 05:35 PM)
it is due to G0 stepping or 1333Mhz proc?
anyone with Q6600 with G0 stepping, pls reportn in...

my Q6600 is showing Tjunction of 100c and the the VID is 1.275v...sweet...but it's not G0...it's B3 though
*
Q6600 is 266FSB proc... tat's y... sweat.gif
seems like G0 is a reject to all OC'ers... blink.gif Thank god i didn't get E6750 which i almost got... i'll be playing wif Conroe-L while waiting for Penryn... whistling.gif
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post Aug 1 2007, 08:06 PM

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QUOTE(t3chn0m4nc3r @ Aug 1 2007, 07:42 PM)
seems like G0 is a reject to all OC'ers... blink.gif  Thank god i didn't get E6750 which i almost got... i'll be playing wif Conroe-L while waiting for Penryn... whistling.gif
*
blink.gif blink.gif Care to provide some links on that statement? The E6750 has a thermal specification of 72'c as compared to the 6700 which is only 60'c la sweat.gif
SlayerXT
post Aug 1 2007, 08:14 PM

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Anyway, it should be saved for 1.5V on good air cooling and below 3.5GHz should be ok for 24/7 operation. And again need a good mobo, ram and psu.
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post Aug 1 2007, 09:48 PM

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i just bought my E6750 OCed 3.06Ghz with avarage temp. 53C and full load 60C

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post Aug 1 2007, 10:02 PM

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QUOTE(Mr.Lonely @ Aug 1 2007, 09:48 PM)
i just bought my E6750 OCed 3.06Ghz with avarage temp. 53C and full load 60C
*
Close casing? What software are you using to monitor the core temp? What's your vcore?

Here's what I managed to do so far (my rig no casing):
Orthos stable at 3280Mhz at stock vcore (1.35v) but core temp goes up to 55'c (stock heatsink)
Orthos fail at 3320Mhz at stock
If vcore 1.40v, core temp goes up to 60'c - too high for me!!!

Still awaiting gigabyte to reply my email though....
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post Aug 1 2007, 10:40 PM

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QUOTE(kmarc @ Jul 30 2007, 08:44 AM)
Think about it. The only difference between E6750 and E6700 is the FSB speed (1333Mhz vs 1066Mhz) and stepping (G0 vs B2). Other than that, both are exactly the same especially the TDP and 65nm manufacturing process.

As such, how can the E6750 be so much cooler on stock heatsink as compared to the E6700?  rclxub.gif

However, if you look at their specs, apparent the thermal specification for both are also different. E6750 is at 72'c while the E6700 is at 60.1'c (See table below)

This is Intel's definition of thermal specification "Thermal Specification:  The thermal specification shown is the maximum case temperature at the maximum Thermal Design Power (TDP) value for that processor. It is measured at the geometric center on the topside of the processor integrated heat spreader. For processors without integrated heat spreaders such as mobile processors, the thermal specification is referred to as the junction temperature (Tj). The maximum junction temperature is defined by an activation of the processor Intel(R) Thermal Monitor. The Intel Thermal Monitor's automatic mode is used to indicate that the maximum TJ has been reached"

Anybody care to explain what thermal specification means in the OC world?

Added : Comparison table - look especially at the thermal specification (maximum case temperature) of E6750 vs 6700  smile.gif
*
refer to the thermal specification, there is 1 column called Maximum case temperature. These are the temperature value that the thermal protection circuit will start to run if the case temperature reach that value. Once the circuit running, you will get the performance penalty.



QUOTE(§layerXT @ Jul 30 2007, 12:17 PM)
So how if we oc the cpu and not reach the max case temperature? It should be safe right?(Not sure bout the core temp though)
*
it should be, theoreticly. Avoid these operating value as thermal protection circuit will operate if you reach that value, this will slowing down your processor and also reducing the voltage of your cpu (depending on cpu type)
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post Aug 2 2007, 12:11 AM

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U mean throttling? If u can control the heat its ok. thumbup.gif
remysix
post Aug 2 2007, 10:20 AM

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QUOTE(t3chn0m4nc3r @ Aug 1 2007, 07:42 PM)
Q6600 is 266FSB proc... tat's y... sweat.gif
seems like G0 is a reject to all OC'ers... blink.gif  Thank god i didn't get E6750 which i almost got... i'll be playing wif Conroe-L while waiting for Penryn... whistling.gif
*
i dun think G0 is 'a reject to all OC'ers'...the problem is that current apps cannot correctly detect the coretemp...in terms of oc wise, so far it's quite good...running my E6850 at 3.6G wif 1.44vdroop...so, for daily usage, i'm satisfied wif it...
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post Aug 2 2007, 10:31 AM

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priming my e6850 at 3.6G with 1.41vcore. pencil mod done. will continue to lower the vcore until system unstable. then that would be my daily use setting.
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post Aug 2 2007, 11:03 AM

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QUOTE(remysix @ Aug 2 2007, 10:20 AM)
i dun think G0 is 'a reject to all OC'ers'...the problem is that current apps cannot correctly detect the coretemp...in terms of oc wise, so far it's quite good...running my E6850 at 3.6G wif 1.44vdroop...so, for daily usage, i'm satisfied wif it...
*
Ya lo. Simply say oni. Anyway, a new review (in anandtech or xbitlabs) showed that the E6750 can run at a stunning 4.1Ghz (I think, can't remember, working now.... but still can loyer loyer in LYN!!!)

I believe the incorrect temperature is only temporary. As soon as 3rd party softwares supports the E6x50 series, I'm sure the softwares will give a proper core temp.... smile.gif

IINM, the E6850 can do 3.6g at stock vcore, can't it?

QUOTE(VT-Ten @ Aug 2 2007, 10:31 AM)
priming my e6850 at 3.6G with 1.41vcore. pencil mod done. will continue to lower the vcore until system unstable. then that would be my daily use setting.
*
What type of pencil mod did you do? hmm.gif
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post Aug 2 2007, 11:22 AM

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QUOTE(kmarc @ Aug 2 2007, 11:03 AM)


What type of pencil mod did you do? hmm.gif
i guess he change the FSB speed from 333 to 400, by doing some modification at BSEL pin on cpu

remysix
post Aug 2 2007, 11:35 AM

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QUOTE(LohMaiGai @ Aug 2 2007, 11:22 AM)
i guess he change the FSB speed from 333 to 400, by doing some modification at BSEL pin on cpu
*
or izzit the vdroop mod since he was mentioning about vcore...
but that 3.6g with that vcore is sweet...drop it summore bro rclxms.gif
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post Aug 2 2007, 12:04 PM

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was doing 450x8. 400x9 setting cant make it, orthos keeps failing. my rig will hv bsod when boot at 3.6G with stock vcore sad.gif

pencil mod both vdroop and vcore resistors. was experiencing 0.04vdroop before this. now no more vdroop.


remysix
post Aug 2 2007, 12:13 PM

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QUOTE(VT-Ten @ Aug 2 2007, 12:04 PM)
was doing 450x8. 400x9 setting cant make it, orthos keeps failing. my rig will hv bsod when boot at 3.6G with stock vcore sad.gif

pencil mod both vdroop and vcore resistors. was experiencing 0.04vdroop before this. now no more vdroop.
*
same here...i oso testing wif 450x8...i'm targeting to have it run at 3.6 wif 1.4 or less vcore...hopefully can lar
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QUOTE(VT-Ten @ Aug 2 2007, 12:04 PM)
was doing 450x8. 400x9 setting cant make it, orthos keeps failing. my rig will hv bsod when boot at 3.6G with stock vcore sad.gif

pencil mod both vdroop and vcore resistors. was experiencing 0.04vdroop before this. now no more vdroop.
*
Wah, so good. My mobo's giving me a 0.03v vdroop! sad.gif So which app are you using to monitor your core temperature?

QUOTE(remysix @ Aug 2 2007, 12:13 PM)
same here...i oso testing wif 450x8...i'm targeting to have it run at 3.6 wif 1.4 or less vcore...hopefully can lar
*
Same question : Which app are you using?
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post Aug 2 2007, 04:54 PM

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QUOTE(kmarc @ Aug 2 2007, 02:37 PM)
Wah, so good. My mobo's giving me a 0.03v vdroop!  sad.gif So which app are you using to monitor your core temperature?
Same question : Which app are you using?
*
dun think the question is relevant at the moment since non of the 3rd party apps can correctly detect the coretemp...so, i just use easytuner...use the temp shown as the reference and add another 10c...on previous proc, the diff between coretemp and cpu is about 7-8c...so add up some buffer, jadi 10c la...at least got some reference rather than just walking in the dark wink.gif
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post Aug 2 2007, 05:16 PM

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for core temp monitor, i use RT plugin, speedfan, coretemp, probeII, everest, you name it.... all registers the same temp.
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QUOTE(VT-Ten @ Aug 2 2007, 05:16 PM)
for core temp monitor, i use RT plugin, speedfan, coretemp, probeII, everest, you name it.... all registers the same temp.
*
that's why i said right now it is irrelevant since all the known apps reporting the same temp and we know the temp is not correcto...
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Wrote to Intel again to request any info on the Tjunction of the E6x50 series. The link they gave was not that helpful. See below....

» Click to show Spoiler - click again to hide... «


» Click to show Spoiler - click again to hide... «


Again, I'm impress with their response time. As for gigabyte, it has been already a week and no reply from them at all!!!!
SlayerXT
post Aug 3 2007, 10:56 PM

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Motherboard maker usually lazy to answer question regarding overclocking.
HaHaNoCluE
post Aug 4 2007, 01:57 AM

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kmarc was asking about the cpu core temp n not about oc rite???
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QUOTE(HaHaNoCluE @ Aug 4 2007, 01:57 AM)
kmarc was asking about the cpu core temp n not about oc rite???
*
Yup. I emailed gigabyte regarding the CPU core temp to see whether gigabyte's mobo can read the temperature of the new E6x50 series accurately or not. It's been 5 days a still no reply. mad.gif

In that time period, my email to Intel has been replied 3 times!!! rclxms.gif
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QUOTE(kmarc @ Aug 4 2007, 02:00 AM)
Yup. I emailed gigabyte regarding the CPU core temp to see whether gigabyte's mobo can read the temperature of the new E6x50 series accurately or not. It's been 5 days a still no reply.  mad.gif

In that time period, my email to Intel has been replied 3 times!!!  rclxms.gif
*
i reckon they'll take 2 weeks to process your question and they answer you in just a few lines of words, which doesn't answer to your question at all.
happens to me before.
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QUOTE(VT-Ten @ Aug 4 2007, 09:31 AM)
i reckon they'll take 2 weeks to process your question and they answer you in just a few lines of words, which doesn't answer to your question at all.
happens to me before.
*
Haiyaa..... I've been doing more reading and it seems that everybody is recommending adding 15'c to the core temperature in apps like core temp and Intel TAT.

This is assuming that the Tjunction was increased to 100'c from 85'c! Nobody actually knows whether this is true or not.

Really frustrating!!! vmad.gif
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QUOTE(kmarc @ Aug 1 2007, 10:02 PM)
Close casing? What software are you using to monitor the core temp? What's your vcore?

Here's what I managed to do so far (my rig no casing):
Orthos stable at 3280Mhz at stock vcore (1.35v) but core temp goes up to 55'c (stock heatsink)
Orthos fail at 3320Mhz at stock
If vcore 1.40v, core temp goes up to 60'c - too high for me!!!

Still awaiting gigabyte to reply my email though....
*
icon_rolleyes.gif

acordding to asus PC probe , vcore is 1.46 wow.... so high.....
now only i notice closed casing and stock cooler... the temp something over 60C if i playing game coz the 8800GTS heat up the proc....
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QUOTE(Mr.Lonely @ Aug 4 2007, 08:18 PM)
icon_rolleyes.gif

acordding to asus PC probe , vcore is 1.46 wow.... so high.....
now only i notice closed casing and stock cooler... the temp something over 60C if i playing game coz the 8800GTS heat up the proc....
*
your vcore setting in bios is auto? set it to sumwhere between 1.31v to 1.35v if you do not plan to OC.
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QUOTE(Mr.Lonely @ Aug 4 2007, 09:18 PM)
icon_rolleyes.gif

acordding to asus PC probe , vcore is 1.46 wow.... so high.....
now only i notice closed casing and stock cooler... the temp something over 60C if i playing game coz the 8800GTS heat up the proc....
*
add a vantec tornado to blow the heat out and see got same issue not... brows.gif

*juz kidding... tongue.gif
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post Aug 6 2007, 10:03 PM

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Vantec already branded VISO....
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QUOTE(§layerXT @ Aug 6 2007, 10:03 PM)
Vantec already branded VISO....
*
ya hor?just notice..tot viso is new brand sweat.gif

hope they give new birth of tornado for LGA775 whistling.gif

This post has been edited by cavcite: Aug 7 2007, 12:20 AM
gsan
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G0 stepping whistling.gif

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woo gsan in the house!!! welcome to the intel camp^^
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QUOTE(gsan @ Aug 7 2007, 07:52 PM)
G0 stepping  whistling.gif
Hey, long time no see! Where did you disappear off to? New rig?
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QUOTE(sup3rfly @ Aug 7 2007, 07:57 PM)
woo gsan in the house!!! welcome to the intel camp^^
*
QUOTE(kmarc @ Aug 7 2007, 07:57 PM)
Hey, long time no see! Where did you disappear off to? New rig?
*
haha... that's my friend's new setup, i'm still stick with s939 X2 laugh.gif

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QUOTE(gsan @ Aug 7 2007, 08:37 PM)
haha... that's my friend's new setup, i'm still stick with s939 X2  laugh.gif
*
Don't you think it is time to upgrade? Even I have already upgraded after holding on to my AMD rig for so long!!!

I find that DDR2 + PCI-E parts are much cheaper too!!!

Now waiting for my new air-cooler before I OC my E6750!!! nod.gif
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wahhh... confirm want to OC kaw2 if u waiting for your new air-cooler.
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QUOTE(antudegil @ Aug 7 2007, 10:18 PM)
wahhh... confirm want to OC kaw2 if u waiting for your new air-cooler.
*
Of course la. That's the main reason why people buy high performance cooler ma.... brows.gif
remysix
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QUOTE(kmarc @ Aug 7 2007, 10:26 PM)
Of course la. That's the main reason why people buy high performance cooler ma....  brows.gif
*
naaaahhh...i just buying it coz dunno what to do with the money i have tongue.gif
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QUOTE(remysix @ Aug 7 2007, 11:30 PM)
naaaahhh...i just buying it coz dunno what to do with the money i have tongue.gif
*
haha donate for me abit bro laugh.gif laugh.gif can buy few new hardware tongue.gif then hows ur new quad?beyond 4ghz dy? brows.gif
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QUOTE(remysix @ Aug 7 2007, 11:30 PM)
naaaahhh...i just buying it coz dunno what to do with the money i have tongue.gif
*
hahah...u buy bulk thing then open a bid lor...can help ppl like me.. laugh.gif

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Looks like 3.5GHz wont be so much trouble for ya afterward.
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QUOTE(remysix @ Aug 7 2007, 11:30 PM)
naaaahhh...i just buying it coz dunno what to do with the money i have tongue.gif
*
No wonder! Saw in garage sale regarding your E6850 and E6600. Was thinking this guy much be full of $$$!!! Sell me your E6850 cheap cheap la!!!! laugh.gif
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QUOTE(mfcm @ Aug 7 2007, 11:41 PM)
haha donate for me abit bro laugh.gif  laugh.gif  can buy few new hardware tongue.gif then hows ur new quad?beyond 4ghz dy? brows.gif
*
about to install it this morning...was waiting for the xingmatek...but havent arrive yet, so got impatience looking at the quad lying there...install je la with the geminiII...we'll see how it's perform
QUOTE(cavcite @ Aug 8 2007, 12:05 AM)
hahah...u buy bulk thing then open a bid lor...can help ppl like me..  laugh.gif
*
QUOTE(kmarc @ Aug 8 2007, 07:16 AM)
No wonder! Saw in garage sale regarding your E6850 and E6600. Was thinking this guy much be full of $$$!!! Sell me your E6850 cheap cheap la!!!!  laugh.gif
*
not full of $$$ la bro...actually bad timing when i bought the e6850...was looking for the quad G0...dun have, so grab the e6850...then kvcom selling the G0, grab that one and selling the E6850...if u want, can offer me la, we'll see how...coz the e6600 edi sold, so wanna get rid of the e6850 as well...soonest as possible... sweat.gif

btw, enuff with that...nanti TS or the staff/admin kasi warning plak...
to the rest,sorry for the OT discussion notworthy.gif

and just got info that my E6850 is actually a G1 stepping...nvr heard of it...cpu-z reported as G0...anyone heard of G1 stepping???

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By the way, where the G1 info came from? sweat.gif
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QUOTE(remysix @ Aug 8 2007, 07:29 AM)
about to install it this morning...was waiting for the xingmatek...but havent arrive yet, so got impatience looking at the quad lying there...install je la with the geminiII...we'll see how it's perform
not full of $$$ la bro...actually bad timing when i bought the e6850...was looking for the quad G0...dun have, so grab the e6850...then kvcom selling the G0, grab that one and selling the E6850...if u want, can offer me la, we'll see how...coz the e6600 edi sold, so wanna get rid of the e6850 as well...soonest as possible... sweat.gif

btw, enuff with that...nanti TS or the staff/admin kasi warning plak...
to the rest,sorry for the OT discussion notworthy.gif

and just got info that my E6850 is actually a G1 stepping...nvr heard of it...cpu-z reported as G0...anyone heard of G1 stepping???
*
No la, I'm happy with my E6750 for now. Unless you wanna sell it REAL cheap!!! brows.gif whistling.gif

AFAIK, there's no such thing as the G1 stepping. Well, at least not yet!!! I did see someone mentioning this in your thread. Unless this is insider information.... hmm.gif

Furthermore, I don't think Intel will release a new stepping when the G0 just came out!!!! rclxub.gif rclxub.gif
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Maybe G1 steeping is in Penryn family... hmm.gif
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So, does anyone have any other info regarding the topic?

Some sources indicate that the new C2D temperature sensor is more accurate at load, and is very inaccurate at idle. That's why it is giving a low temperature at idle.

And there is no confirmation of the Tjunction of the E6x50 series yet.

To add (15'c) or not to add, that is the question..... laugh.gif

This post has been edited by kmarc: Aug 9 2007, 11:03 PM
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post Aug 10 2007, 09:24 AM

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The tjunction means temp for the core so its hard to measure manually unless u take out the heatspreader.
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post Aug 10 2007, 11:07 AM

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i've sold my btvx and got myself another btvx (dun ask why) and noticed there's difference in the temp now.

at 3.6G, was running 22C 25C on both core0 and core1 with the old btvx. now it's reporting 30C 29C with the new btvx. already tried to resit the btvx a couple of time but it's still the same.

the new temp seems more "logical" but my question is why there's changes in the temp when im still using the same temp monitoring tools?

This post has been edited by VT-Ten: Aug 10 2007, 11:07 AM
remysix
post Aug 10 2007, 12:23 PM

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probably the AS5 (i presumed) is yet to sink in properly...give it some time. according to their guide, 200hrs. dunno la.
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Just wait for another few days, maybe.
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post Aug 18 2007, 01:06 AM

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QUOTE(§layerXT @ Aug 8 2007, 01:42 PM)
Maybe G1 steeping is in Penryn family... hmm.gif
*
This is wat i found bout G1... something's not rite bout tat stepping... hmm.gif
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QUOTE(VT-Ten @ Aug 10 2007, 11:07 AM)
i've sold my btvx and got myself another btvx (dun ask why) and noticed there's difference in the temp now.

at 3.6G, was running 22C 25C on both core0 and core1 with the old btvx. now it's reporting 30C 29C with the new btvx. already tried to resit the btvx a couple of time but it's still the same.

the new temp seems more "logical" but my question is why there's changes in the temp when im still using the same temp monitoring tools?
*
hmm i think myb the base of btvx rather than waitin the as5 to sink..jus my prediction since ur previous unit mite hv better attachment to ur IHS cmpare to new unit blush.gif
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@VT-Ten
it could also have been because u recently updated ur BIOS?


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QUOTE(remysix @ Aug 10 2007, 12:23 PM)
probably the AS5 (i presumed) is yet to sink in properly...give it some time. according to their guide, 200hrs. dunno la.
*
Apparently, when a TIM has already sunk in, the temperature reduction is only about 1-2'c..... unconfirmed reports but has been observed by many forumers.... nod.gif

Anybody has any news on the inaccurate temperature readings of the E6x50 series?

So far, I've read newer reviews that state that the more accurate app to use is core temp 0.95 which as a "Delta to Tjunction" feature. This feature is good as it shows how many degrees (celcius) to go before the temperature reaches Tjunction.

As the Tjunction is unknown, this is supposedly the most accurate estimation.

From what I can see, the Tjunction for the E6x50 series is still probably 85'c. For example:
Core 0/1 temperature : 40/40'c
Delta to Tjunction : 45'c

Tjunction = 45 + 40 = 85'c......

If that is the case, then the E6x50 series are really really cool processors rclxms.gif rclxm9.gif
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QUOTE(mADmAN @ Aug 18 2007, 03:20 AM)
@VT-Ten
it could also have been because u recently updated ur BIOS?
*
dont think so...
a couple of days ago, it went down to 36C cpu, 20C core0, 22C core1 when idle. tot it settled down, but today it shows 41C cpu, 27C core1 & 29C core2 idle. . rclxub.gif

Note: the temps were monitored between 11pm - 2am. room temp shd be ard 27C maybe. no AC installed in this room.


@kmarc,
english pls.... laugh.gif
do you mean there's nothing wrong with the temp?

This post has been edited by VT-Ten: Aug 18 2007, 11:12 PM
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post Aug 19 2007, 09:47 AM

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QUOTE(kmarc @ Aug 18 2007, 08:39 AM)
If that is the case, then the E6x50 series are really really cool processors  rclxms.gif  rclxm9.gif
*
i tested my shop customer's E6550 & E6750... i gotta say... they are fast... but not cool... icon_idea.gif i did touch the heatsink and the E6550 is not as cool as my E6300... i also tried to undervolt it and it seems not stable after doing so... needs , more voltage to stabilize which is quite bad... hmm.gif
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QUOTE(t3chn0m4nc3r @ Aug 19 2007, 09:47 AM)
i tested my shop customer's E6550 & E6750... i gotta say... they are fast... but not cool... icon_idea.gif  i did touch the heatsink and the E6550 is not as cool as my E6300... i also tried to undervolt it and it seems not stable after doing so... needs , more voltage to stabilize which is quite bad... hmm.gif
*
Errr..... can you give a more "concrete" proof rather than the heatsink is "not cool"? Rather subjective, don't you think? Maybe an Intel's TAT reading or "Delta to Tjunction" on Core temp 0.95?

Remember that every CPU batches are different in terms of overclockability, although I haven't seen anybody keeping track on which are the good E6x50 batches for overclocking.....


Added on August 19, 2007, 3:16 pm
QUOTE(VT-Ten @ Aug 18 2007, 11:11 PM)
@kmarc,
english pls....  laugh.gif
do you mean there's nothing wrong with the temp?
*
What I mean is that it is possible that the load temperature is correct. Some sources indicated that the idle temperature is incorrect as the temperature sensor are inaccurate at idle temperature.

All these are unconfirmed reports so I guess we still have to wait and see...

Anyway, it has been about 2-3 weeks since I emailed Gigabyte and there is still no reply!!! doh.gif vmad.gif

This post has been edited by kmarc: Aug 19 2007, 03:16 PM
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QUOTE(kmarc @ Aug 19 2007, 11:07 AM)
Errr..... can you give a more "concrete" proof rather than the heatsink is "not cool"? Rather subjective, don't you think? Maybe an Intel's TAT reading or "Delta to Tjunction" on Core temp 0.95?
*
err... 33 on core temp... concrete enough...?

where can i get a thermometer which is good for measuring the heatsink temp....? hmm.gif
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QUOTE(t3chn0m4nc3r @ Aug 21 2007, 01:42 AM)
err... 33 on core temp... concrete enough...?

where can i get a thermometer which is good for measuring the heatsink temp....? hmm.gif
*
No no. What I mean is objective proof when you say the E6300 is cooler in temperature as compared to the E6550 or E6750 - both idle and load temperature...... Try to use core temp 0.95 "Delta to Tjunction" to compare them.... smile.gif
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post Aug 21 2007, 06:24 PM

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gosh..im planin to buy E6x50 proc...now dunno still wan to buy after reading dis thread..
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hehe...........just get my 1 e6750 Go STepping.current at 8x500Mhz 4Ghz.blend test 2 hours pass.still abit unstable.cool by noctua heatsink.will post up y screen shoot...

current at 1.57Vcore.full load under 70c every time

This post has been edited by Vtec(Rock): Aug 21 2007, 06:50 PM


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QUOTE(xiong91 @ Aug 21 2007, 06:24 PM)
gosh..im planin to buy E6x50 proc...now dunno still wan to buy after reading dis thread..
*
Not like that la..... it's just that current temperature reading programs does not support the new CPUs yet. I think everything will be sorted out once newer updates come out.

So, while awaiting for that, it is best not to OC these new CPUs too much as we don't really know the actual temp!!!

QUOTE(Vtec(Rock) @ Aug 21 2007, 06:38 PM)
hehe...........just get my 1 e6750 Go STepping.current at 8x500Mhz 4Ghz.blend test 2 hours pass.still abit unstable.cool by noctua heatsink.will post up y screen shoot...
*
Wow! What's your vcore and core temperature?
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QUOTE(kmarc @ Aug 21 2007, 06:43 PM)
Not like that la..... it's just that current temperature reading programs does not support the new CPUs yet. I think everything will be sorted out once newer updates come out.

So, while awaiting for that, it is best not to OC these new CPUs too much as we don't really know the actual temp!!!
Wow! What's your vcore and core temperature?
*
current at 1.575.everest read 1.6.hehehe.....check my sceenshoot...
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QUOTE(Vtec(Rock) @ Aug 21 2007, 06:53 PM)
current at 1.575.everest read 1.6.hehehe.....check my sceenshoot...
Wah! So high! And I mean everything!!! High OC, high vcore and high temperature!!! smile.gif

What is the vcore and speed you're planning to run 24/7?

And I thought the general recommendation is not to allow the core temperature to exceed 60'c.... hmm.gif

This post has been edited by kmarc: Aug 21 2007, 07:08 PM
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hmm...u guys use wad temp monitor software to check the E6x50's temp?
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QUOTE(kmarc @ Aug 21 2007, 07:04 PM)
Wah! So high! And I mean everything!!! High OC, high vcore and high temperature!!!  smile.gif

What is the vcore and speed you're planning to run 24/7?

And I thought the general recommendation is not to allow the core temperature to exceed 60'c....  hmm.gif
*
plan to get it 4.1ghz...and wan to try 1.575v.it is best try.intel recomend under 75c still save for this core. brows.gif ohmy.gif

This post has been edited by Vtec(Rock): Aug 22 2007, 02:35 PM
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QUOTE(xiong91 @ Aug 21 2007, 10:09 PM)
hmm...u guys use wad temp monitor software to check the E6x50's temp?
*
You can use a lot of programs. Remember that the temperature problem is still not corrected until newer updates/version comes out:
Core temp 0.95
Intel TAT (thermal analysis tool)
Speedfan
Your own mobo's software

QUOTE(Vtec(Rock) @ Aug 22 2007, 02:34 PM)
plan to get it 4.1ghz...and wan to try 1.575v.it is best try.intel recomend under 75c still save for this core. brows.gif  ohmy.gif
*
OIC. So, what vcore are you planning to run 24/7? I'm interested to know this as I'm running my E6750 at 1.425v at 24/7.....
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post Aug 23 2007, 02:38 PM

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so has it been fixed? tongue.gif hands feeling itchy liao.. but takut.. motherboard monitoring software reposrts that my E6750 is roughly around 32C.. is this possible? blink.gif
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QUOTE(-vip3rleon9- @ Aug 23 2007, 02:38 PM)
so has it been fixed? tongue.gif hands feeling itchy liao.. but takut.. motherboard monitoring software reposrts that my E6750 is roughly around 32C.. is this possible? blink.gif
*
What's your rig's spec? 32'c at idle or load?

So far, no new updated software. I guess nobody knows what is the Tjunction for the E6x50 series yet. Seems like everybody is assuming that the Tjunction is 100'c which I don't think it is.....
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QUOTE(kmarc @ Aug 23 2007, 03:12 PM)
What's your rig's spec? 32'c at idle or load?

So far, no new updated software. I guess nobody knows what is the Tjunction for the E6x50 series yet. Seems like everybody is assuming that the Tjunction is 100'c which I don't think it is.....
*

umm..

C2D E6750 G0 Stepping @ 2.66ghz
P35C-DS3R

32C idle.. smile.gif
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QUOTE(-vip3rleon9- @ Aug 23 2007, 03:26 PM)
umm..

C2D E6750 G0 Stepping @ 2.66ghz
P35C-DS3R

32C idle.. smile.gif
*
Just found out that a new beta for core temp has been release. It's core temp 0.95.4 (beta). Apparently, the Tjunction has been adjusted to 100'c for the E6x50 series instead of 85'c.

I'm thinking of emailing the author to find out whether it is confirmed that the Tjunction for the E6x50 series is truly 100'c or just a guess. Even Intel is not telling!!! rclxub.gif

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QUOTE(kmarc @ Aug 23 2007, 03:44 PM)
Just found out that a new beta for core temp has been release. It's core temp 0.95.4 (beta). Apparently, the Tjunction has been adjusted to 100'c for the E6x50 series instead of 85'c.

I'm thinking of emailing the author to find out whether it is confirmed that the Tjunction for the E6x50 series is truly 100'c or just a guess. Even Intel is not telling!!!  rclxub.gif
*

ZOMG Rei and i wish to OC my E6750 before my hollidays end! icon_question.gif

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QUOTE(-vip3rleon9- @ Aug 23 2007, 03:58 PM)
ZOMG Rei and i wish to OC my E6750 before my hollidays end! icon_question.gif
*
I've emailed the author of core temp and is in the process of clarification with him regarding the Tjunction.

Apparently, he said that the Tjunction was adjusted to 100'c based on observations that the idle temperature of these CPUs were too low. As such, he assumed that it is 100'c.

I'm still waiting for further clarification on a few other facts. Will inform you guys once I've confirmed these few facts.... smile.gif


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just wonder how reliable coretemp is....

my temp detect by my mobo software was around 34c
but coretemp report it at 52c
rclxub.gif

This post has been edited by stevenlee: Aug 23 2007, 08:05 PM
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QUOTE(kmarc @ Aug 23 2007, 07:19 PM)
I've emailed the author of core temp and is in the process of clarification with him regarding the Tjunction.

Apparently, he said that the Tjunction was adjusted to 100'c based on observations that the idle temperature of these CPUs were too low. As such, he assumed that it is 100'c.

I'm still waiting for further clarification on a few other facts. Will inform you guys once I've confirmed these few facts....  smile.gif
*

alright dude. you remember to let us know. tongue.gif i need to clarify the temps before i make my move to OC it to >3.2ghz.. tongue.gif
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QUOTE(kmarc @ Aug 21 2007, 03:18 PM)
No no. What I mean is objective proof when you say the E6300 is cooler in temperature as compared to the E6550 or E6750 - both idle and load temperature...... Try to use core temp 0.95 "Delta to Tjunction" to compare them....  smile.gif
*
yeah... i know... average temps for E4*00 & E6*00 series are 50-60... while E6*50 is around 30+... tat's juz 2 weird... i need to get a thermometer to confirm this... I've been playing wif these processors while assembling rigs for my shop's customers so I know it...
But i can tell u tat Celeron 420 is the coolest of all procs... the sink is so cute and fan seldom turns if u enable smart fan control... and the sinks are still not hot... brows.gif

This post has been edited by t3chn0m4nc3r: Aug 24 2007, 01:08 AM
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QUOTE(Vtec(Rock) @ Aug 21 2007, 06:38 PM)
hehe...........just get my 1 e6750 Go STepping.current at 8x500Mhz 4Ghz.blend test 2 hours pass.still abit unstable.cool by noctua heatsink.will post up y screen shoot...

current at 1.57Vcore.full load under 70c every time
*
QUOTE(kmarc @ Aug 21 2007, 06:43 PM)
Not like that la..... it's just that current temperature reading programs does not support the new CPUs yet. I think everything will be sorted out once newer updates come out.

So, while awaiting for that, it is best not to OC these new CPUs too much as we don't really know the actual temp!!!
Wow! What's your vcore and core temperature?
*
dude let me clarify u something

its not only about coretemp...all third party

this is the reply i got from gigabyte a few months ago
QUOTE
Dear Sir,

Thank you for your kindly mail and supporting GIGABYTE.
About the issue you mentioned in your earlier mail,

First , we are wondering where you saw the CPU temperature? We do not guarantee all 3rd party H/W monitor utulities will work properly with our MBs because most of the S/W does not know our H/W design and impossible optimize their S/W for our MBs. We recommend you trying to use Easytune 5 program that we have provided in the driver CD for H/W monitoring later.

Second, The Super IO chipset can transport CPU temperature by the sensor on CPU. You can refer to attach .


At last, we apology if our past service was not satisfactory. Due to the vast amounts of questions we receive daily, we understand the inconvenience of waiting for e-mail responses. If you still have any further question or suggestion about our product, please do not hesitate to contact with us. Thanks again for your understanding, and please receive our sincerely apology.

******** Thank you for supporting GIGABYTE products *********


and here is the attached io pic that i got from them

[attachmentid=283475]

i did write to asus also and got a similar reply..

y all this questions... after testing a few mobos with x6800 using scyte infinity and coolit... i was getting weird temps with asus and gigabyte mobos compared to evga 680
second.... asus/gigabyte p5n32e-sli and n680dq6 ... everest was showing the exact temps as core temps. while evga 680 was like heaven and hell. ( this reaffirms the the statement given above... everest vs core temp)

i hope this answers some of ure questions... as for gigabyte .. i have tested my proc with a external sensor between the heatsink and proc... it was like 3C more than the gigabyte motherboard sensor.
my bet gigabyte got it right... as i am writing this my comp temp for the qx6800 is now running at 3.6ghz 1.42v for the whole week .... gigabyte bios temp is 40C/64C ( Idle/Load) while core temp / everest is 72C/95C Idle/Load

go fly core temp heck i have tested by unplugging the pin of the pump for the coolit on the evga mobo and then only i can feel the heatsink is hot... other than that the heatsink is freaking cool.

so as for now... i do not trust core temps... for gigabyte motherboard especially trust the bios readings..



hmm kindda dumb if u think the engineers are getting the temps wrong purposely right??? even after intel gave them all the info on how to design a 775 mobo to support qx and c2d...

final evidence... that again its all about the io's

using F3 bios vs F4 bios everest/coretemp difference is 10C.
gigabyte motherboard cpu temp sensor difference 1C..

geee

This post has been edited by cstkl1: Aug 24 2007, 05:23 AM
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post Aug 24 2007, 05:36 PM

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Thx. Really informative. thumbup.gif

However, there's a few things that need to be straightened out:
1) We do know that software monitoring of CPU temperature or voltages are not as accurate as the real thing
2) As we are not the enthusiast type that actually take a multimeter or digital thermometer to check the readings, we need some sort of way to look at the measurements - hence the need for reliable 3rd party softwares
3) The reason for this thread is that either temperature for the E6x50 series are very inaccurate or the E6x50 series are really physically colder processor compare to it's predecessors e.g. E6750 vs E6700
4) From many observations, it is probable that the temperature sensor reading is wrong, or Intel has a new Tjunction for the E6x50 series

Here's what I can conclude from reading and gathering as much info as I can about the E6x50 series:
1) The Tjunction is still unknown.
---people are just blindly saying that the Tjunction is 100'c without any proof
---Due to this, they advice adding 15'c to the core temperature readings of 3rd party software
---core temp 0.95.4 has been adjusted to 100'c Tjunction. However, the author also only guess that the Tjunction is 100'c
---Even Intel is not telling what the Tjunction is (I've emailed them)
2) Some are suggesting that the temperature sensor is inaccurate at idle but correct at load
---Because the idle temperature is lower than the ambient temperature
---Load temperature seems correct (to add 15'c makes the CPUs very hot!!!)
3) Be careful when OCing these E6x50 CPUs
---as your CPU may be running at a higher temperature than you think!!!
4) Some suggest using the "Delta to Tjunction" function in core temp
---as long as the value is not within 20-25'c, then it is claimed to be acceptable
---need further confirmation, wished I had access to any database with "Delta to Tjunction" values

That's about it I guess. I'm sure I miss out something but already headache just writing the above!!! rclxub.gif

This post has been edited by kmarc: Aug 24 2007, 05:43 PM
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QUOTE(t3chn0m4nc3r @ Aug 24 2007, 01:07 AM)
yeah... i know... average temps for E4*00 & E6*00 series are 50-60... while E6*50 is around 30+... tat's juz 2 weird... i need to get a thermometer to confirm this... I've been playing wif these processors while assembling rigs for my shop's customers so I know it...
But i can tell u tat Celeron 420 is the coolest of all procs... the sink is so cute and fan seldom turns if u enable smart fan control... and the sinks are still not hot... brows.gif
*

hmm.. smart fan control reads temps from where ah? cause sometimes, my fan will stop, and when i look to see my temp on EasyTune (H/W monitoring software provided by Gigabyte), it's around 31C.. so, my question is, the fan spins according to the temps taken by? EasyTune or the motherboard itself? unsure.gif

QUOTE(cstkl1 @ Aug 24 2007, 03:24 AM)
» Click to show Spoiler - click again to hide... «
*

so final answer is, Gigabyte's temps are correct? smile.gif
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Dunno. I'm base my temps on EasyTune5. Core temp is showing a value that is 5-6'c lower.

e.g. EasyTune5 CPU temp - 45'c but core temp (core0/1) - 40'c/40'c

I've emailed gigabyte last month to see whether Gigabyte's mobo do reflect the correct temperature for the new E6x50 series but so far no reply.... sad.gif
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post Aug 25 2007, 12:07 AM

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QUOTE(-vip3rleon9- @ Aug 24 2007, 09:28 PM)
hmm.. smart fan control reads temps from where ah? cause sometimes, my fan will stop, and when i look to see my temp on EasyTune (H/W monitoring software provided by Gigabyte), it's around 31C.. so, my question is, the fan spins according to the temps taken by? EasyTune or the motherboard itself? unsure.gif
so final answer is, Gigabyte's temps are correct? smile.gif
*
well its the point i am making is core temp is not always correct.

according to the gigabyte techie and engineers... its impossible for any third party software to get it right as each manufacturer designs their hardware and i/O's different even to a point of different boards/bios etc.


Added on August 25, 2007, 12:10 am
QUOTE(kmarc @ Aug 24 2007, 09:56 PM)
Dunno. I'm base my temps on EasyTune5. Core temp is showing a value that is 5-6'c lower.

e.g. EasyTune5 CPU temp - 45'c but core temp (core0/1) - 40'c/40'c

I've emailed gigabyte last month to see whether Gigabyte's mobo do reflect the correct temperature for the new E6x50 series but so far no reply....  sad.gif
*
hmm take it like this
ure questioning a company who had the fsb1333 procs way ahead of time before it was release into the the market...

i am sure they considered the temps...

i would trust easy tune..

This post has been edited by cstkl1: Aug 25 2007, 12:10 AM
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QUOTE(cstkl1 @ Aug 25 2007, 12:07 AM)
hmm take it like this
ure questioning a company who had the fsb1333 procs way ahead of time before it was release into the the market...

i am sure they considered the temps...

i would trust easy tune..
*
Yup. For now, I'm believing easytune5 rather than any 3rd party software. Hopefully, there are some better way of determining the core temp in the future. Perhaps BIOS or software updates.... smile.gif It's a bit frustrating to see different temps from different softwares..... At least, the CPUs prior to the E6x50 series had consistent temperature readings across most softwares..... smile.gif
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post Aug 25 2007, 04:23 PM

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then this...

user posted image

brows.gif

edit :

bigger pic here..

CODE
http://img341.imageshack.us/img341/7416/xdim6.jpg


This post has been edited by -vip3rleon9-: Aug 25 2007, 04:26 PM
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post Aug 25 2007, 04:26 PM

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QUOTE(-vip3rleon9- @ Aug 25 2007, 04:23 PM)
then this...

user posted image

brows.gif
*
what mobo is that and heatsink...

also proc???

ambient temp??
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post Aug 25 2007, 05:15 PM

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ok guy.best try to day.vcore 1.58
stable stable wat i wan to say.air cool 4ghz e6750

This post has been edited by Vtec(Rock): Aug 25 2007, 06:01 PM


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QUOTE(-vip3rleon9- @ Aug 25 2007, 04:23 PM)
then this...

bigger pic here..

CODE
http://img341.imageshack.us/img341/7416/xdim6.jpg

*
Wah! What's your ambient temp? You didn't take an aircon and direct the airflow through the casing, did you? wink.gif

QUOTE(Vtec(Rock) @ Aug 25 2007, 05:15 PM)
ok guy.best try to day.vcore 1.58
stable stable wat i wan to say.air cool 4ghz e6750
*
Nice OC. Don't tell me you wanna run that 24/7? CPU temp at 66'c is acceptable??? rclxub.gif
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post Aug 26 2007, 01:46 PM

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QUOTE(-vip3rleon9- @ Aug 25 2007, 05:23 PM)
CODE
http://img341.imageshack.us/img341/7416/xdim6.jpg

*
so... ur system is hotter than ur CPU...? sweat.gif
i find tat hard to believe... rclxub.gif
and use ur pic as a link to the address u gave la... icon_idea.gif

This post has been edited by t3chn0m4nc3r: Aug 26 2007, 01:46 PM
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QUOTE(cstkl1 @ Aug 25 2007, 04:26 PM)
what mobo is that and heatsink...

also proc???

ambient temp??
*

Intel E6750 Stock G0 Stepping
Gigabyte P35C-DS3R

ambient temp around 24C lo.. tongue.gif

QUOTE(kmarc @ Aug 25 2007, 06:35 PM)
Wah! What's your ambient temp? You didn't take an aircon and direct the airflow through the casing, did you?  wink.gif
Nice OC. Don't tell me you wanna run that 24/7? CPU temp at 66'c is acceptable???  rclxub.gif
*

around 24C. the a/c was turned on though.. whistling.gif but the a/c was obviously on the wall lah, whereas my pc was under the cabinet. doh.gif i myself was shocked when i saw those temps.. touched the heatsink and macam sejuk sejuk sial.. rclxm9.gif

QUOTE(t3chn0m4nc3r @ Aug 26 2007, 01:46 PM)
so... ur system is hotter than ur CPU...? sweat.gif
i find tat hard to believe... rclxub.gif
and use ur pic as a link to the address u gave la... icon_idea.gif
*

cannot lah. the pic size 1280*1024, will distort the forum.. tongue.gif and pity them 56k users lah.. laugh.gif
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post Aug 26 2007, 08:01 PM

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wow 24C is really cool....mine is around 30C..what cooler are u using?
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post Aug 26 2007, 08:13 PM

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QUOTE(Volt @ Aug 26 2007, 08:01 PM)
wow 24C is really cool....mine is around 30C..what cooler are u using?
*

stock Intel heatsink. tongue.gif

» Click to show Spoiler - click again to hide... «

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post Aug 26 2007, 08:16 PM

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hhehe.. bet u can get even lower temp if u use a better cooler smile.gif
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post Aug 26 2007, 08:21 PM

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QUOTE(Volt @ Aug 26 2007, 08:16 PM)
hhehe.. bet u can get even lower temp if u use a better cooler smile.gif
*

lol i certainly hope so. should be getting a ACFreezer7Pro soon. tongue.gif
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post Aug 26 2007, 10:14 PM

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QUOTE(-vip3rleon9- @ Aug 26 2007, 08:19 PM)
cannot lah. the pic size 1280*1024, will distort the forum.. tongue.gif and pity them 56k users lah.. laugh.gif
*
i mean thumbernailing la... no need to put the full pic here but at least when ppl click ur pic it will open another page/tab wif ur full pic... icon_idea.gif
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post Aug 27 2007, 05:00 PM

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max superpi at air cool rclxms.gif rclxms.gif rclxms.gif rclxms.gif


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post Aug 27 2007, 05:39 PM

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QUOTE(t3chn0m4nc3r @ Aug 26 2007, 10:14 PM)
i mean thumbernailing la... no need to put the full pic here but at least when ppl click ur pic it will open another page/tab wif ur full pic... icon_idea.gif
*

oh. thumbnails. okok. tongue.gif

user posted image

kmarc, any news? unsure.gif

haih.. school started anyways, not much time to OC now.. sad.gif life's gonna be boring.. laugh.gif
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post Aug 27 2007, 07:35 PM

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QUOTE(-vip3rleon9- @ Aug 27 2007, 05:39 PM)

kmarc, any news? unsure.gif
Unfortunately no..... sad.gif

I'm using the easytune5 CPU temp and speedfan temp2 for the core temperature. This is because they show the same temperature readings.... smile.gif
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post Aug 27 2007, 09:48 PM

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QUOTE(kmarc @ Aug 27 2007, 07:35 PM)
Unfortunately no.....  sad.gif

I'm using the easytune5 CPU temp and speedfan temp2 for the core temperature. This is because they show the same temperature readings....  smile.gif
*

well if you have faith in EasyTune then i would. afterall, you're up at 3.5ghz stable, no? tongue.gif

and what's up with CPU-Z showing my clock at 2ghz when Everest and EasyTune are reporting 2.66ghz? blink.gif

help? icon_question.gif

user posted image

click on the thumbnail to enlarge. smile.gif
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post Aug 27 2007, 10:56 PM

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QUOTE(-vip3rleon9- @ Aug 27 2007, 09:48 PM)
well if you have faith in EasyTune then i would. afterall, you're up at 3.5ghz stable, no? tongue.gif

and what's up with CPU-Z showing my clock at 2ghz when Everest and EasyTune are reporting 2.66ghz? blink.gif

help? icon_question.gif
Hmm... that's weird. Did you enable EIST and C1E in BIOS? Your multipler is at 6x so this means that your rig is idling in EIST mode. However, not too sure why easytuner is not showing it.

Run an orthos program and see whether the multiplier becomes 8x and the speed becomes 2.66Ghz. If it does, then the EIST is functioning.

Yeah, 3.5Ghz stable, and running EIST too!!! laugh.gif
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post Aug 28 2007, 07:09 PM

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QUOTE(kmarc @ Aug 27 2007, 11:56 PM)
Hmm... that's weird. Did you enable EIST and C1E in BIOS? Your multipler is at 6x so this means that your rig is idling in EIST mode. However, not too sure why easytuner is not showing it.

Run an orthos program and see whether the multiplier becomes 8x and the speed becomes 2.66Ghz. If it does, then the EIST is functioning.

Yeah, 3.5Ghz stable, and running EIST too!!!  laugh.gif
*
can't ur FSB go higher...? hmm.gif I reached 500(499.99999) already... icon_rolleyes.gif
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QUOTE(t3chn0m4nc3r @ Aug 28 2007, 07:09 PM)
can't ur FSB go higher...? hmm.gif  I reached 500(499.99999) already... icon_rolleyes.gif
*
Don't want to run my bus speed that high. Anyway, my CPU fsb wall is apparently at 480mhz. At 8x multiplier, I can't even reach that speed without increasing my vcore.

Anyway, not planning to OC my CPU higher than that 24/7 as I want my rig to last longer.... wink.gif
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post Aug 29 2007, 08:11 PM

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QUOTE(kmarc @ Aug 29 2007, 08:30 AM)
Don't want to run my bus speed that high. Anyway, my CPU fsb wall is apparently at 480mhz. At 8x multiplier, I can't even reach that speed without increasing my vcore.

Anyway, not planning to OC my CPU higher than that 24/7 as I want my rig to last longer....  wink.gif
*
my vCore is around 1.4something only... not 1.5 yet... no guts to venture tat high on air-cooling... not prepared for WC also... tongue.gif
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post Aug 29 2007, 11:55 PM

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AIr cooling under 1.5V consider safe for 24/7... icon_rolleyes.gif
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QUOTE(§layerXT @ Aug 29 2007, 11:55 PM)
AIr cooling under 1.5V consider safe for 24/7... icon_rolleyes.gif
*
Any reliable reference for this statement? hmm.gif
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post Aug 30 2007, 04:36 PM

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Only my previous experience for my E4300 at 1.485v and stable orthos more than 8 hours on my Big Typhoon VX. Gaming not gave me problem too. So I might think 1.5v should be ok.
TSkmarc
post Aug 30 2007, 04:44 PM

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QUOTE(§layerXT @ Aug 30 2007, 04:36 PM)
Only my previous experience for my E4300 at 1.485v and stable orthos more than 8 hours on my Big Typhoon VX. Gaming not gave me problem too. So I might think 1.5v should be ok.
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OIC. In general, the understanding is that for good air-cooling, you can safely OC the CPU +0.10v to +0.15v for 24/7 usage. So, for a 1.35v stock vcore, that would be 1.45v-1.50v.

However, for me, I usually run at a bit lower than the recommended value. Hence, my CPU is at 1.425v (BIOS setting) and my rams are at 2.1v...... smile.gif
t3chn0m4nc3r
post Aug 30 2007, 07:03 PM

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QUOTE(kmarc @ Aug 30 2007, 05:44 PM)
OIC. In general, the understanding is that for good air-cooling, you can safely OC the CPU +0.10v to +0.15v for 24/7 usage. So, for a 1.35v stock vcore, that would be 1.45v-1.50v.

However, for me, I usually run at a bit lower than the recommended value. Hence, my CPU is at 1.425v (BIOS setting) and my rams are at 2.1v......  smile.gif
*
ooo... for me i keep my RAM 2V and below... laugh.gif
AceCombat
post Aug 31 2007, 07:55 PM


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then i think i'm killing my hardwares rclxms.gif

anyway,i set air cooling below 1.6vcore and ram below 2.5vdimm,for extreme performance
-vip3rleon9-
post Aug 31 2007, 11:04 PM

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QUOTE(kmarc @ Aug 27 2007, 10:56 PM)
Hmm... that's weird. Did you enable EIST and C1E in BIOS? Your multipler is at 6x so this means that your rig is idling in EIST mode. However, not too sure why easytuner is not showing it.

Run an orthos program and see whether the multiplier becomes 8x and the speed becomes 2.66Ghz. If it does, then the EIST is functioning.

Yeah, 3.5Ghz stable, and running EIST too!!!  laugh.gif
*

yeah.. EIST was enabled. tongue.gif scared the crap outta me when i saw my roc running at 2ghz. laugh.gif
TSkmarc
post Aug 31 2007, 11:27 PM

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QUOTE(AceCombat @ Aug 31 2007, 07:55 PM)
then i think i'm killing my hardwares rclxms.gif

anyway,i set air cooling below 1.6vcore and ram below 2.5vdimm,for extreme performance
*
So how high is your vcore 24/7?

QUOTE(-vip3rleon9- @ Aug 31 2007, 11:04 PM)
yeah.. EIST was enabled. tongue.gif scared the crap outta me when i saw my roc running at 2ghz. laugh.gif
*
Got a near heart attack huh? wink.gif Now everything is ok? hmm.gif
SlayerXT
post Sep 1 2007, 03:09 AM

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QUOTE(AceCombat @ Aug 31 2007, 07:55 PM)
then i think i'm killing my hardwares rclxms.gif

anyway,i set air cooling below 1.6vcore and ram below 2.5vdimm,for extreme performance
*
Does ur Xigmatek and MX-2 allowed u to run 1.6V for 24/7? unsure.gif
-vip3rleon9-
post Sep 1 2007, 11:33 AM

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QUOTE(kmarc @ Aug 31 2007, 11:27 PM)
So how high is your vcore 24/7?
Got a near heart attack huh?  wink.gif Now everything is ok?  hmm.gif
*

yeah.. gonna try OC it now.. brows.gif will post results here later. tongue.gif

This post has been edited by -vip3rleon9-: Sep 2 2007, 10:17 AM
-vip3rleon9-
post Sep 2 2007, 10:18 AM

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so far managed to push it to 3.6ghz stable. i'd bet it still can be pushed. brows.gif wondering if i should try again today. rolleyes.gif
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post Sep 2 2007, 10:40 AM

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Nice. What's the vcore at that speed?

No need to wonder la, OC it higher!!! thumbup.gif
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post Sep 2 2007, 10:47 AM

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QUOTE(kmarc @ Sep 2 2007, 10:40 AM)
Nice. What's the vcore at that speed?

No need to wonder la, OC it higher!!!  thumbup.gif
*
1.344V according to CPU-Z.. but if my memory doesn't fail me, i had set it @ 1.425v, just like your's.. tongue.gif

quite true.. the most just reset BIOS right? laugh.gif

aiming for 4ghz, but then that's too ambitious. haha.. on factory heatsink leh.. rolleyes.gif
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post Sep 2 2007, 10:56 AM

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QUOTE(-vip3rleon9- @ Sep 2 2007, 10:47 AM)
1.344V according to CPU-Z.. but if my memory doesn't fail me, i had set it @ 1.425v, just like your's.. tongue.gif

quite true.. the most just reset BIOS right? laugh.gif

aiming for 4ghz, but then that's too ambitious. haha.. on factory heatsink leh.. rolleyes.gif
*
very very hard to push 4ghz with stock cooling since 4ghz need min 1.575 vcore to reach.stable almost 1.6vcore brother....water cooling is more suatable.my noctua with ac fan mod can make it.full load will nop over 68c now.nice work.kekeke
will go in WC soon to more oc later

This post has been edited by Vtec(Rock): Sep 2 2007, 10:57 AM
-vip3rleon9-
post Sep 2 2007, 11:02 AM

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QUOTE(Vtec(Rock) @ Sep 2 2007, 10:56 AM)
very very hard to push 4ghz with stock cooling since 4ghz need min 1.575 vcore to reach.stable almost 1.6vcore brother....water cooling is more suatable.my noctua with ac fan mod can make it.full load will nop over 68c now.nice work.kekeke
will go in WC soon to more oc later
*

hehe.. i'm not a hardcore OC-er so i won't go to the extreme.. tongue.gif doing this just for fun.. laugh.gif saw you reached 13.xxxs for SuperPI.. i only managed 14.xxxs.. haha.. will try pushing it a lil more. maybe, say.. 3.8ghz? rolleyes.gif

WC is nice but the maintainence.. doh.gif
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post Sep 2 2007, 11:06 AM

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QUOTE(-vip3rleon9- @ Sep 2 2007, 11:02 AM)
hehe.. i'm not a hardcore OC-er so i won't go to the extreme.. tongue.gif doing this just for fun.. laugh.gif saw you reached 13.xxxs for SuperPI.. i only managed 14.xxxs.. haha.. will try pushing it a lil more. maybe, say.. 3.8ghz? rolleyes.gif

WC is nice but the maintainence.. doh.gif
*
i already reach 12.409.kekekeke....at 515x8.
-vip3rleon9-
post Sep 2 2007, 11:14 AM

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QUOTE(Vtec(Rock) @ Sep 2 2007, 11:06 AM)
i already reach 12.409.kekekeke....at 515x8.
*

wah gila sial. doh.gif i could only dream. laugh.gif my only wish is to reach 13.xxx, after that i'm happy liao.. tongue.gif
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post Sep 2 2007, 11:22 AM

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QUOTE(-vip3rleon9- @ Sep 2 2007, 11:14 AM)
wah gila sial. doh.gif i could only dream. laugh.gif my only wish is to reach 13.xxx, after that i'm happy liao.. tongue.gif
*
check my pass screen shoot.1.6vcore.515x8......
SlayerXT
post Sep 6 2007, 09:53 PM

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With the most value mobo on market sweat.gif good luck thumbup.gif
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post Sep 12 2007, 05:53 PM

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QUOTE(§layerXT @ Sep 6 2007, 10:53 PM)
With the most value mobo on market sweat.gif good luck thumbup.gif
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goldfries seem to get good results wif his Biostar... hope he won goldfry his mobo... laugh.gif
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post Sep 13 2007, 04:28 PM

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Next time when new generation cpu come will get cheap powerful mobo than expensive one.
Prince of Andalus
post Nov 1 2007, 07:36 PM

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my proc is 20'C using coretemp 0.95 at idle and 22'C using intel TAT....
using ttbt vx....
TSkmarc
post Nov 1 2007, 07:41 PM

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QUOTE(Prince of Andalus @ Nov 1 2007, 07:36 PM)
my proc is 20'C using coretemp 0.95 at idle and 22'C using intel TAT....
using ttbt vx....
*
Wah, so long didn't see this thread.

Anyway, I don't think the problem was ever corrected. Never looked into it anymore.

Most apps (I think) has corrected the Tjunction to 100'c (dunnot correct or not).

Try coretemp 0.95.4...... it's better to believe the higher temperature rather than the lower one if you're overclocking, I guess..... smile.gif
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post Nov 1 2007, 08:44 PM

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This thread will be heat up again with new wolfdale later tongue.gif
Prince of Andalus
post Nov 1 2007, 11:35 PM

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QUOTE(kmarc @ Nov 1 2007, 07:41 PM)
Try coretemp 0.95.4...... it's better to believe the higher temperature rather than the lower one if you're overclocking, I guess.....  smile.gif
*
when i use coretemp 0.95.4, it shows 35-36'C at idle....
maybe it has been corrected the Tjunction to 100'c... rclxms.gif
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post Nov 4 2007, 09:48 PM

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QUOTE(t3chn0m4nc3r @ Sep 12 2007, 05:53 PM)
goldfries seem to get good results wif his Biostar... hope he won goldfry his mobo... laugh.gif
*
LOL.. his model is sold out all over LYP... I guess the LYN effect strikes again smile.gif

This post has been edited by wodenus: Nov 4 2007, 10:14 PM
skymyxe
post Nov 23 2007, 06:27 AM

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QUOTE(Prince of Andalus @ Nov 1 2007, 11:35 PM)
when i use coretemp 0.95.4, it shows 35-36'C at idle....
maybe it has been corrected the Tjunction to 100'c...  rclxms.gif
*
Core Temp 0.95.4 Beta shows the real temp for your CPU cores as far as I'm concern. It has the same value when using Everest Ultimate for the cores. The 0.95 version have to add 15C to the cores' temperature to get a real reading. The bad thing is the 0.95.4 version is still a Beta version and is not stable for some system. icon_rolleyes.gif
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post Nov 23 2007, 06:31 AM

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QUOTE(skymyxe @ Nov 23 2007, 06:27 AM)
Core Temp 0.95.4 Beta shows the real temp for your CPU cores as far as I'm concern. It has the same value when using Everest Ultimate for the cores. The 0.95 version have to add 15C to the cores' temperature to get a real reading. The bad thing is the 0.95.4 version is still a Beta version and is not stable for some system.  icon_rolleyes.gif
*
I actually pmed the author of Core Temp. He told me that the Tjunction of these E6x50 series is actually not known. It was assumed that it was 100'c. No hard info from Intel.

Anyway, since everybody is following this, I guess we have to follow this value too i.e. Tjunction of 100'c. Currently, I'm also using core temp 0.95.4 to measure the core temperature..... smile.gif
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post Nov 23 2007, 08:53 AM

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QUOTE(kmarc @ Nov 23 2007, 06:31 AM)
I actually pmed the author of Core Temp. He told me that the Tjunction of these E6x50 series is actually not known. It was assumed that it was 100'c. No hard info from Intel.

Anyway, since everybody is following this, I guess we have to follow this value too i.e. Tjunction of 100'c. Currently, I'm also using core temp 0.95.4 to measure the core temperature.....  smile.gif
*
Yeah, although it crashes sometimes when I run it on my system. But, it does provide readings same as Everest Ultimate. icon_rolleyes.gif

 

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