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 Overclocking E7XXX Series

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OC4/3
post Aug 29 2009, 03:46 PM

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QUOTE(JoBigShow @ Aug 29 2009, 01:51 AM)
For the same price as CoolIT, (in the US) the Corsairs outperformed the CoolIT
in terms of 'self contain watercooling system' from most reviews i've read.
The Corsair probably dedicate its function 100% on cooling, and the CoolIT 65% on cooling; 35% on the temp sensors and lcd displays and looks..
I like the CoolIT but i'll go for the Corsair bcoz results matters even though it look industrious and vulgar.
But then again, where to buy these products in KL? i havent seen any of them in Low Yat Plaza... sad.gif
*
Coming to LYP soon smile.gif
farscope
post Aug 29 2009, 03:55 PM

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currently running stable for 333x10.5 about 30minutes LinX stressing.. still going on..

Bios Vcore: 1.28750V
cpu-z Vcore: 1.216V~1.248V

max temperature reached in current weather condition: 70°C
average temperature: 66°C

mobo: Gigabyte EP45-UD3L

Added on August 29, 2009, 4:06 pmupdate, passed with no errors..

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

user posted image

This post has been edited by farscope: Aug 29 2009, 04:06 PM
JoBigShow
post Aug 29 2009, 07:31 PM

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QUOTE(farscope @ Aug 29 2009, 01:26 PM)
i think 4.0Ghz will be too much heat for my RS to handle.. i'm happy to stay it at 3.6Ghz if my temperature does not exceed 70°C

btw, using 360x10 and 400x9 will have any difference in temperature?

i think higher FSB = higher voltage = higher temps rite? no? hmm.gif

Added on August 29, 2009, 2:13 pmhave a question here..

i set my Vcore to manual and set it to 1.26V but after i boot up, cpu-z onli shows 1.232V.. y huh? hmm.gif

Added on August 29, 2009, 2:54 pmlatest setting in bios i pump it to 1.28725V cz not stable in low voltage..

but cpu-z still show voltage reading between 1.216V~1.232V  rclxub.gif
*
I use to OC'ed my chip to 3.5ghz (334 x 10.5) when i was using my old 667mhz DDR2 to obtain that 1:1 ratio.
I set my vcore to 'AUTO' and running stable.

360x10 and 400x9?
If u'r concerned about temps u should opt for the 360fsb, but if u have DDR2800mhz and u want that 1:1 ratio, u opt for 400fsb.

i think higher FSB = higher voltage = higher temps rite? no?
That's why Intel created Core 2 Extreme procs, they have multipliers unlocked up to 14,
this way you can maintain a low~mid range FSB but still attain high Ghz, meaning normal temps but high performance/ghz.

i set my Vcore to manual and set it to 1.26V but after i boot up, cpu-z onli shows 1.232V.. y huh?
It's 'v droop'. (It's an Intel specification designed to protect your CPU from overshooting voltage), i think u should trust your BIOS nod.gif

latest setting in bios i pump it to 1.28725V cz not stable in low voltage..but cpu-z still show voltage reading between 1.216V~1.232V
Man that some big ass v droop! if u Google around, there's alot of threads about this issue. usually corcerned with enable/disable LLC. Well I'm not familiar with EP45-UD3L.... sweat.gif

SUSRaikkonen
post Aug 29 2009, 07:43 PM

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Mine E7300@ stock speed.

Can OC anytime but need to make sure got extra money just in case current system kaput tongue.gif
JoBigShow
post Aug 29 2009, 08:07 PM

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QUOTE(Raikkonen @ Aug 29 2009, 07:43 PM)
Mine E7300@ stock speed.

Can OC anytime but need to make sure got extra money just in case current system kaput  tongue.gif
*
What a rare occasion to see someone who actually insuring their processor when thinking about OC'ing,
usually alot of peeps blatantly take risks without thinking the consequences if the proc failed from OC'ing...maybe its the testosterone...maybe its just the lifestyle of OC'ers,...maybe its just the rush of not blowing the hell out u'r processors!...such mystery it is.
A smart man you are notworthy.gif
farscope
post Aug 29 2009, 08:18 PM

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QUOTE(JoBigShow @ Aug 29 2009, 07:31 PM)
I use to OC'ed my chip to 3.5ghz (334 x 10.5) when i was using my old 667mhz DDR2 to obtain that 1:1 ratio.
I set my vcore to 'AUTO' and running stable.

360x10 and 400x9?
If u'r concerned about temps u should opt for the 360fsb, but if u have DDR2800mhz and u want that 1:1 ratio, u opt for 400fsb.

i think higher FSB = higher voltage = higher temps rite? no?
That's why Intel created Core 2 Extreme procs, they have multipliers unlocked up to 14,
this way you can maintain a low~mid range FSB but still attain high Ghz, meaning normal temps but high performance/ghz.

i set my Vcore to manual and set it to 1.26V but after i boot up, cpu-z onli shows 1.232V.. y huh? 
It's 'v droop'. (It's an Intel specification designed to protect your CPU from overshooting voltage), i think u should trust your BIOS nod.gif

latest setting in bios i pump it to 1.28725V cz not stable in low voltage..but cpu-z still show voltage reading between 1.216V~1.232V
Man that some big ass v droop! if u Google around, there's alot of threads about this issue. usually corcerned with enable/disable LLC. Well I'm not familiar with EP45-UD3L.... sweat.gif
*
yup.. thx for the info anyway..

the drop is big, tat's y it concerns me.. sweat.gif

in BIOS i set it as 1.28725V because that's the voltage i can pass LinX without encounter errors.. but cpu-z shows voltage between 1.215V~1.248V..

however, the temperature drop about 5°C compare to the time when i use "Auto"

With Auto Vcore, i got 1.28V~1.31V in cpu-z.. not sure bout BIOS cz i din check it..

but even thou i set 1.28725V in BIOS, when i check the voltage reading in bios, it shows about 1.26+V hmm.gif any idea?

Added on August 29, 2009, 8:20 pmah, talking bout LLC, i remember mine was disabled.. should i enable it?

This post has been edited by farscope: Aug 29 2009, 08:20 PM
nidzamputra
post Aug 29 2009, 09:41 PM

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QUOTE(JoBigShow @ Aug 29 2009, 07:31 PM)
» Click to show Spoiler - click again to hide... «

*
nice explanation bro...

btw mine vdroop not so much...for my Maximus II Formula got LLC option pair with E8400 E0...but for DFI LP UT P35-T2RS pair with E7200 dont have this option...
farscope
post Aug 29 2009, 10:01 PM

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if LLC is on, vdroop wont be much..

i had my LLC off.. so my Vdroop is alot..

still thinking should i enable LLC to lower down my bios Vcore or just stay it with LLC off..
nidzamputra
post Aug 29 2009, 10:13 PM

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mine let's it auto for M2F...
JoBigShow
post Aug 30 2009, 05:24 AM

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OC Trial #1: 29/08/09 - 30/08/09
E7400 2.8ghz; 400 x 9.5 = 3.8Ghz @ 1.360v

Run time on prime95: 7 hours

Rig:
E7400 with Artic Cooling Freezer Xtreme
Asus P5QL-PRO
800mhz DDR2 Kingston HyperX
FSP EPSILON 80Plus 600w
» Click to show Spoiler - click again to hide... «


My hypothesis is that I might have overkill in terms of vcore resulting in high max.temp.
(but the max temp of 70c was just a temporary instant spike; on average the temps is about 60c)
Therefore for 'OC Trial #2' I will dramatically decrease the vcore in the range of: 1.32v< x <1.344v,
if sucess, i will continue decrease the vcore to point of failure in my following trials.

Something I find about fine tuning vcore is that, its easy to just randomly use high vcore and settled with it than to find the lowest possible vcore that the procs can be stable on.
(In the 21st century its all about low power consumption, reliable and energy savings @ reasonable performance, thumbup.gif like a Toyota Prius to a Lotus Hybrid or a Lexus GS 450h Hybrid)
I'll post my result for 'OC Trial #2' the next time i'm free.



JoBigShow
post Aug 30 2009, 08:16 AM

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OC TRIAL #2 30/08/09

E7400 400 x 9.5 = 3.8Ghz @ 1.30v(BIOS) 1.296v(CPU-Z)

Run time on LinX 0.6.2: 28m 49s

Rig:
E7400 with Artic Cooling Freezer Xtreme
Asus P5QL-PRO
2G 800mhz DDR2 Kingston HyperX
FSP EPSILON 80Plus 600w

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

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

This time I felt pretty ambitious and drop significantly from my previous vcore(1.362v) to 1.30v. Suprisingly, no errors. thumbup.gif
The max temp is predictably high when running LinX, but what add insult to injuries is that I'm running thin out of thermal paste,
probably might improve by deducting at least up to 5c to my max temp if i get new paste applied. (anyone can recommend any good thermal paste??)
I didn't run 'OC TRIAL #1' with LinX because my max temp nearly reached 90c @ 13625v,
hence opted me to choose to run a much slower(boring) rclxub.gif stress test, prime95.

I will run 'OC TRIAL #3' with a more ambitious vcore setting; 1.28v < x < 1.292v @3.8ghz
I have the feeling I'm getting closer to fine-tuning it to the closest minimum stable vcore laugh.gif

I can hear "4ghz" is calling me to its domain. I want to join the exclusive 4ghz+ club BUT...lets take care of business one at a time.
I will post my next OC trial soon biggrin.gif

This post has been edited by JoBigShow: Aug 30 2009, 08:23 AM
farscope
post Aug 30 2009, 11:56 AM

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nice OC there.. i might try follow yr settings n see how it goes.. laugh.gif

anyway, did u enable LLC?

Added on August 30, 2009, 12:11 pmTP.. u can try tuniq tx-2 pr tx-3.. thumbup.gif

This post has been edited by farscope: Aug 30 2009, 12:11 PM
JoBigShow
post Aug 30 2009, 11:49 PM

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QUOTE(farscope @ Aug 30 2009, 11:56 AM)
nice OC there.. i might try follow yr settings n see how it goes.. laugh.gif

anyway, did u enable LLC?

Added on August 30, 2009, 12:11 pmTP.. u can try tuniq tx-2 pr tx-3.. thumbup.gif
*
I have the LLC (Load line calibration) Enable bcoz its improves v droop directly. If disabled, it will follow Intel specs, and knowing Intel® is paranoid when people want to OC, (due to warranty breach and lawsuit) they will usually have their settings with very big gaps in v droop to overprotect the chip. If u still have problems with this huge v droop dilemma, i guess u might want to start a new thread to isolate this matter, probably a lot of people might have the same problem as you. The worst case scenario about irregular v droops is that it might involve manipulating BIOS, etc. I'm not a pro with this kinda things sweat.gif

tq for the TP recommendation, I hope they got the stuff in L.Y.Plaza, i used to use Xigmatek's TP, they somehow become solid now, not a good TP. rclxub.gif
farscope
post Aug 31 2009, 12:45 AM

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QUOTE(JoBigShow @ Aug 30 2009, 11:49 PM)
I have the LLC (Load line calibration) Enable bcoz its improves v droop directly. If disabled, it will follow Intel specs, and knowing Intel® is paranoid when people want to OC, (due to warranty breach and lawsuit) they will usually have their settings with very big gaps in v droop to overprotect the chip. If u still have problems with this huge v droop dilemma, i guess u might want to start a new thread to isolate this matter, probably a lot of people might have the same problem as you. The worst case scenario about irregular v droops is that it might involve manipulating BIOS, etc. I'm not a pro with this kinda things sweat.gif

tq for the TP recommendation, I hope they got the stuff in L.Y.Plaza, i used to use Xigmatek's TP, they somehow become solid now, not a good TP.  rclxub.gif
*
i had done some reading after u mentioned about the Vdroop n so on.. it happens to be the disabled LLC..

Bios setting 1.28750V, Bios reading show: 1.26+V.. cpu-z idle show: 1.248V, load: 1.232V or 1.216V

if LLC enabled then I think it will eliminate the Vdroop but at the same time causing voltage spike during phase change.. (tat's wat i read from googling.. correct me if i'm wrong sweat.gif)
with LLC enable, i think I can set lower Vcore ady..


yea.. TX-2 is a nice TP at a nice price.. <Rm20..

if u got the money, can try TX-3 too.. but difference in performance is about 1~2°C onli according to review.. I'm using TX-2 now, it decrease my tempearture about 2~3°C compare to the xigmatek TP..

however, the temperature of my 2nd rig drop alot after I clean the stock HSF and applied TX-2.. a decrease about 10°C after the combination of clean HSF + TX-2..
OC4/3
post Aug 31 2009, 01:05 AM

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QUOTE(JoBigShow @ Aug 30 2009, 11:49 PM)
I have the LLC (Load line calibration) Enable bcoz its improves v droop directly. If disabled, it will follow Intel specs, and knowing Intel® is paranoid when people want to OC, (due to warranty breach and lawsuit) they will usually have their settings with very big gaps in v droop to overprotect the chip. If u still have problems with this huge v droop dilemma, i guess u might want to start a new thread to isolate this matter, probably a lot of people might have the same problem as you. The worst case scenario about irregular v droops is that it might involve manipulating BIOS, etc. I'm not a pro with this kinda things sweat.gif

tq for the TP recommendation, I hope they got the stuff in L.Y.Plaza, i used to use Xigmatek's TP, they somehow become solid now, not a good TP.  rclxub.gif
*
Eeehhh just to clear up some misinformation.
Intel specify the vdroop spec is for the sake of protecting VRM circuit and processor smile.gif That the main reason for the specify spec wink.gif

JoBigShow
post Aug 31 2009, 02:34 AM

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QUOTE(OC4/3 @ Aug 31 2009, 01:05 AM)
Eeehhh just to clear up some misinformation.
Intel specify the vdroop spec is for the sake of protecting VRM circuit and processor smile.gif That the main reason for the specify spec wink.gif
*
Thanks 4 the correction btw, i was just being sarcastic about Intel, just a capitalist joke tongue.gif
nidzamputra
post Aug 31 2009, 06:10 AM

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too bad..yesterday my DFI board refused to boot anymore..arrrggghhh make me rclxub.gif cry.gif

wanna get replacement as soon as possible to survive my E7200
farscope
post Aug 31 2009, 11:49 AM

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u fried yr mobo??

how? after u OC u unable to boot? or like normal use boot up failed?
nidzamputra
post Aug 31 2009, 01:08 PM

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i dont know...look weird..lan port got light even i pull out the RJ45 cable...

i assumed mobo died already...after i assemble & troubleshoot almost hole night...i cant solved the problem...

right now searching for another one ASUS MAXIMUS II FORMULA board as replacement...
JoBigShow
post Aug 31 2009, 07:35 PM

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I remember I used to encounter something like this years ago, i did everything troublelshoot possible, i thought the mobo was done for. But then for no reason i decide to replace the mobo battery,(that cell battery to boot up BIOS)...the mobo was a live again! dunno this would help u....
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