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 Intel Penryn Overclocking Thread, Toasting next gen 45nm babes ~

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cstkl1
post Feb 14 2008, 11:58 AM

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uzairi..
not sure whether u know this
this procs like to undershoot and overshoot the ref termination voltage..

geeee kindda hard leh.. just now was looking for gtl 85.3.. kekeke.. couldnt..
this is y depesrate need of the UT mobo or any mobo that has that bios.


This post has been edited by cstkl1: Feb 14 2008, 11:59 AM
cstkl1
post Feb 14 2008, 12:55 PM

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QUOTE(allenultra @ Feb 14 2008, 12:00 PM)
I had experience with CS crashing on X2 3600+ 2.4ghz prime stable 10 hours.
The problem was ram timing. Trfc, too tight.

I guess a lot stressing needed to achieve a really stable overclocked rig.
*
stress ure rams via memtest86
not orthos.

or memtest windows.. watch those temps on nb rocket up..

cstkl1
post Feb 15 2008, 11:45 AM

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QUOTE(IcEMoCHa @ Feb 15 2008, 09:20 AM)
q9450 @ 3.6ghz or e8400 @ 4ghz ... i dunno which 1 to choose now...
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unless ure lucky

geee got somebody in lyn whos q6600 can do 3ghz at 1.1v.. kekeke

cstkl1
post Feb 15 2008, 01:44 PM

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off ure PAE..
no point..

cstkl1
post Feb 17 2008, 11:01 PM

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dont u think ure overvolting that proc of ures..

and 533 bus.. the prob is not the vcore.. is the NB voltage

thats y ure 500x6 had problems

technically depends.. games i would go for 500x6

overall performance would be ure 400x8. at the lowest trd CL3.


but pretty sure u could have gone to 9x400 at less than 1.2v



This post has been edited by cstkl1: Feb 17 2008, 11:07 PM
cstkl1
post Feb 18 2008, 09:33 AM

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QUOTE(Silverfire @ Feb 18 2008, 06:24 AM)
To flatfinger: Alright, will give it try~

To clawhammer: Ya... My brother also say like that.

To cstk1: How to increase NB voltage? When in 500x6 I can use normally for around 10 mins then suddenly BSOD-ed.


Added on for the line.
Thanks in advance!
*
trial and error
definitely more than 1.5v on NB
and ure fsb termination voltage cannot go more than ure vcore.


cstkl1
post Feb 18 2008, 03:05 PM

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QUOTE(clawhammer @ Feb 18 2008, 02:59 PM)
Let's not confuse the whole world (especially new learners) with regards to "FSB termination voltage". Many motherboards DOES NOT have this feature and it is either an ASUS or X38 standard feature (I don't know). Not having this voltage doesn't mean you can't overclock and this is one of the least to worry about.

Our focus are primarily on these few common voltages, i.e. Vcore, Vdimm, Vmch, etc. You can't overclock if your motherboard does not have settings for the mentioned voltages but you can still overclock if it doesn't have "FSB termination voltage".
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fsb termination voltage aka cpu vtt voltage aka ht-link voltage.

all boards has this

checking ure manual now.. find it weird that ure mobo doesnt has this.

P35 DS3L
http://america.giga-byte.com/FileList/Manu...d)s3l_2.0_e.pdf

Page 47
FSB Overvoltage

blink.gif

This post has been edited by cstkl1: Feb 18 2008, 03:29 PM
cstkl1
post Feb 18 2008, 05:04 PM

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QUOTE(clawhammer @ Feb 18 2008, 03:54 PM)
The explanation should be more specific and for people that knows, we will understand FSB termination voltage is CPU VTT but for those that don't, they'll probably go lost somewhere and either spend their money on a new piece of hardware but in the end still don't get their desired results.

I did not specifically mention a particular motherboard but there are many boards out there without the word "FSB Termination Voltage" stated.

At the same time, increase of CPU VTT does not apply for overclocking of all CPU's. To some, it doesn't make a lot of difference.


Added on February 18, 2008, 4:03 pmSome further reading of what GTL, VTT is about:
http://www.edgeofstability.com/articles/df...5/gtl/gtl1.html

Excerpt from the article
"Simply raising VTT may or may not create voltage margins necessary to sufficiently skew signals as required to meet minimum sample and hold times for increased bus frequencies. Additionally, processors are particularly sensitive to even small increases in VTT as bus impedances and termination resistance values are quite low. In fact, increasing VTT will most likely just create unwanted device heating with little to no change in FSB stabilization.

http://www.thetechrepository.com/showthread.php?t=87
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hence y i say keep it lower than ure vcore.. so most of the time dont even have to raise it.

auto.. bad idea..

simple.. not even talking about gtl in the reference to advice to last screenshot.


This post has been edited by cstkl1: Feb 18 2008, 05:05 PM
cstkl1
post Feb 18 2008, 05:22 PM

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QUOTE(clawhammer @ Feb 18 2008, 05:11 PM)
I always had it auto and never killed anything. Anyway, it's up to the person on how they want to do it smile.gif
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no idea bout gigabyte p35DS3 and to be more specific..

but on asus x38, Evga 680, Asus Striker Extreme ( One of the earlier boards,, fried two rams and one proc.. degrade actually), Foxconn P35 Mars, Gigabyte N680 DQ6 (Fried Rams for breakfast), EVGA 680 SLI( Rmaed twice and now dead still have it if u want to prove the fsb termination theory) P35 DQ6
all of this boards its a NO NO.


ure fsb termination voltages is the one that overheats the proc and kills the proc

its the link between the core to the NB.

google it. quite a no of ppl killed either their proc or mobo by doing that for a long period of time.

to make it plain .. keep it lower than vcore.. thats all i am saying.. not trying to debate..


This post has been edited by cstkl1: Feb 18 2008, 05:27 PM
cstkl1
post Feb 25 2008, 01:06 PM

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Dude lets make this thread actually worth while to troubleshoot overclocking settings.

QUOTE
Proc : E8400 Retail
FPO : Q746A474
Vcore = 1.152
Core Speed = 450x8 = 3.6ghz


[attachmentid=404628]
1.CPUZ screen shot of first CPU tab Either 450x8 or 424x8.5 or 400x9 - Download Here
2.Orthos one Large FFT for one hour - Download Here
3.Orthos Small FFT for one hour.
4.Memset - Download Here



Reason for posting.. i am very confident that at 3.6ghz all penryn can do less than 1.2v.
so just wanna see whether this is true or not. Cause so far i have tried quite a number of batches and they all can do less than 1.2 which is y i find it weird that ppl are doing 1.4v for 4ghz.

This post has been edited by cstkl1: Feb 25 2008, 05:42 PM
cstkl1
post Feb 25 2008, 03:14 PM

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QUOTE(Silverfire @ Feb 25 2008, 02:19 PM)
I need 1.3v to do 3.6ghz at 400x9.

http://valid.x86-secret.com/show_oc.php?id=319494
user posted image
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dude can post a screenshot ure gigabyte voltage program or everest voltages
try the exact voltages but maybe higher vcore as my screenshot..

the VTT,NB etc..

a few of my friends also has e8400/e8200 batches ranging from fpo 42 to 48 and all of them can do less than 1.2v for 3.6ghz mainly on asus/dfi/abit mobos. heck one of them even on Neo2... so just wondering on the gigabyte.


even better if u can post like the template above..

easier to see..

This post has been edited by cstkl1: Feb 25 2008, 03:16 PM
cstkl1
post Feb 25 2008, 05:27 PM

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QUOTE(Silverfire @ Feb 25 2008, 04:06 PM)
I just updated my post with the Easy Tune 5 Pro thingy, hope it'll shed light wink.gif
*
updated to 4 hours 30 minutes.

not enough info..

is it possible to show a everest ultimate OSD with the voltages..
ty

want to see what ure running at..

3 voltages in paticular
NB/VTT(FSB termination) and ure PLL.
oh yeah and to get the full voltages sensors
please enable ACPi table especially ACPI 2.0 support


Added on February 25, 2008, 5:47 pm
QUOTE(Silverfire @ Feb 25 2008, 04:06 PM)
I just updated my post with the Easy Tune 5 Pro thingy, hope it'll shed light wink.gif
*
hmm still incomplete dude..
so many voltages reading missing.

i wonder y. dfi UT can read ..
gaygaybyte ACPI table is not a 1.1 or 2.0 prehaps??

hmm that case dude dunno whats ure fsb termination /nb on load.


This post has been edited by cstkl1: Feb 25 2008, 05:48 PM
cstkl1
post Feb 25 2008, 05:55 PM

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QUOTE(Silverfire @ Feb 25 2008, 05:53 PM)
I've no ideas sweat.gif
*
i know this is leceh
but can u check at ure bios at the monitoring page to check whats the actual voltage for ure FSB, NB and PLL.
cstkl1
post Feb 25 2008, 06:33 PM

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QUOTE(flatfinger @ Feb 25 2008, 06:32 PM)
for ur info...giga board like ds3 dont have sensor for vmch/nb... sweat.gif
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in the bios??

cstkl1
post Feb 25 2008, 07:04 PM

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QUOTE(flatfinger @ Feb 25 2008, 06:42 PM)
hehhe nope...see for urself...i oso surprise  sweat.gif  sweat.gif  sweat.gif most of the voltage sensor not there...

user posted image
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damn man
u guys should sue gaygaybyte..

or get a voltmeter.

cstkl1
post Feb 26 2008, 08:56 AM

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QUOTE(gengstapo @ Feb 26 2008, 08:36 AM)
thinking to get the lowest end model which is e8200 aite?
dya think the bold sentence could be apply on e8200 as well?
*
didnt try e8200..


cstkl1
post Feb 26 2008, 10:26 AM

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QUOTE(gsan @ Feb 26 2008, 08:26 AM)
if your proc vid is 1.0375v then the default vcore is that value...
*
no..
core temp has a error of 0.1v.
so its 1.1375..

try it at stock with ure mobo.. the voltage u get at stock timing is ure vid..
also note certain mobo like DFI and FOXconn MARS gives inaccurate VID readings.
especially when EIST is enabled..
the problem is the ACPI table reading which core temp takes the reading from.


This post has been edited by cstkl1: Feb 26 2008, 10:26 AM
cstkl1
post Feb 26 2008, 05:49 PM

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QUOTE(kmarc @ Feb 26 2008, 04:57 PM)
Hmmm.... so it is confirmed that Penryn CPUs are warrantied up to 1.36v..... http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=3239&p=2
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eh no dude..
warranted up to ure box stated max

hmm wait retract that back..

reason is cause last time thats what happened when i rmaed my p4. they knew i overclocked it and said it was warranted according to the box stated max..


This post has been edited by cstkl1: Feb 26 2008, 05:56 PM
cstkl1
post Feb 26 2008, 06:34 PM

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QUOTE(kmarc @ Feb 26 2008, 06:23 PM)
Dunno.... bryaneo87 got a reply from Intel saying that the Q6600 is warrantied until 1.5v vcore....

So, I concluded that their warranty for vcore is based on the max VID voltage range. See here : http://processorfinder.intel.com/details.aspx?sSpec=SLACR

If you look at penryn, the max VID voltage range is 1.3625v... IIRC....
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hmmm dunno leh

but this is what happened when i rma my P4 like 2 years ago.
i send it to them and it was a few voltages above the box stated max.
and then they replied that it is void since i went above the box stated max.

cstkl1
post Feb 26 2008, 06:54 PM

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QUOTE(IcEMoCHa @ Feb 26 2008, 06:42 PM)
how they know about the voltage when u bring for warranty anyway?
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good question

but this was debate a few times.. but afaik it is true during the p4 days that intel has a way to find out what vcore u were running last before the proc kaputs.


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