Asus P5K-C with G0 Q6600 + some xtreme undervolting

[jeffyjaixx]

Hey,

First time posting results here.

Setup:

G0 Q6600 L723A765 1.26250 VID w/ Thermalright Ultra 120 Extreme (stock) + Scythe S-FLEX SFF21F 12 CM
Asus P5K-C 0701 Bios w/ pencil vdroop mod
Buffalo Firestix 2x1GB Micron D9GMH DDR2-800 4-4-4-8
1xSeagate 200GB SATA + 1xWD 500GB SATA2
EVGA 8800 GTS 640MB on Dell 2407WFP-HC
Antec TruePower 2.0 550W SLI-ready

Some pics without my case:







Right now I'm working on my Antec 900 case so I am testing the ambients right now.

So far, 3.610 Ghz (401x9) stable on AIR at 1.38 vcore real (1.4250v bios).



I will be back with updates as I finish my case!

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Aug. 9 2007 Update

Decided to have some fun with xtreme undervolting .

Ambient temp is 16-17 degrees Celsius (in the basement lol).

1.1375 vcore in bios, 1.10 under load. Priming and 3dMark06 rock stable so far!





Futuremark 3D Mark 06 Compare link: http://service.futuremark.com/compare?3dm06=2695495

Okay, finally found the max stable OC at 1.10 vcore real under load.

First, I tested to see if it could run @ QX6700 speeds. No problem!



Next, tried for 3 Ghz. Ran SuperPi 1M fine but was not prime stable.



Finally, found max stable overclock was @ 2.85 Ghz. This is very impressive considering this is at 1.10 vcore under load!

G0 =



Okay, I think I'm done for the night.

Enjoy.
____________

Aug. 11, 2007 Update

Back with some more results!

Max stable FSB was 480 Mhz but I forgot to take a screen.

3.7 Ghz w/ vcore at 1.43-1.44 under load - Temps never reached above 70 degrees Celsius. This will be my new 24/7 overclock.

Idle:



Load:



4 Ghz bootable no problem! (1.52-1.54 vcore)



____________

August 12, 2007 Update

Got another 2 GB of ram and decided to push it a little bit further. Was able to reach 3.8 Ghz PRIME stable wtih 4 GB of DDR2.

My new 24/7



CPU-Z Screen



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August 13, 2007 Update

New question: Okay, so I basically have 3 settings to choose for my 24/7 overclock. Which one would you choose based on overall vcore, vdimm, heat, speed etc.? All three settings are using small FFT's for PRIME stability. Thanks in advance.

Setting 1:



Cpu speed: 3.330 Ghz (370 x 9) 1.3000 vcore set in bios, 1.26 vcore real under load.
Ram: 1.8vdimm with 1:1 ratio at 4-4-4-8

Setting 2:



Cpu speed: 3.610 Ghz (401 x 9) 1.4250 vcore set in bios, 1.38 vcore real under load.
Ram: 2.0 vdimm with 1:1 ratio at 4-4-4-8

Setting 3:



Cpu speed: 3.699 Ghz (411 x 9) 1.4750 vcore set in bios, 1.43 vcore real under load.
Ram: 2.1 vdimm with 1:1 ratio at 4-4-4-8

I don't want to set my real vcore over 1.45 volts for 24/7 use so that is why I excluded my 3.8 Ghz setting.

Thanks guys!