**Official e8400/e8500 Retail OC Thread

[Mumid]

Pretty decent chip this Q815A417:



Not too bad volts for 4ghz stable on air. Still tweaking for 24\7 setup. So many options on these P5Q mobo's!

[cincyrob]

MUMID

very nice there. love your temps too. i just dont know how you guys get these low temps. with mine at 4.05ghz under load im as high as 75c

i still beleive its my mobo that causes the E8400 to get so warm. ive tried 3 different Coolers and cant get any lower temps. allways the same no matter what cooler i have.

[Mykou]

most of batch Q807 I saw ( had Q807A091 xeon ) get high temps .

[cincyrob]

i have afriend who has the E3110Xeon in a ASUS rampage formula i will have to see waht his batch number is. but his temps are lower than mine also. granted he has a TRUE 120mm cooler on his also

[Leeghoofd]

@ LeeghoofdIf I show you a screenshot with Orthos running for 1hr+, a SuperPI 32M completion, Aegis Panel [BlackOps user here] showing actual voltage, and CPU-Z showing everything else you might need, would that get me on the spreadsheet?

Sure mate, I have confidence in all of you that noone cheats... so stable for you is stable for me

[faria]

anyone knows if batch Q746A485 is good to overclock?

[Leeghoofd]

anyone knows if batch Q746A485 is good to overclock?

Q746A485@4.3Ghz 1.42 Vcore Kiwi mobo: DFI Lanparty DRK... so that's 4ghz around 1.36Vcore... average batch I would say

[Lu(ky]

Does anyone know if there is a THERMAL PROFILE CHART like this one for the e8400/e8500 CPU? If so can you link me one... I can not find on for the life of me... Thanks..

[Garrett]

Q746A485@4.3Ghz 1.42 Vcore Kiwi mobo: DFI Lanparty DRK... so that's 4ghz around 1.36Vcore... average batch I would say

A short trip to google
4203MHz 1.368V

4ghz around...... 1.25? sort of...

[Leeghoofd]

Exact same batch Garret , share me the link plz I'll add that one too... Hope Faria can get those results instead of the one I posted

[Garrett]

Hey I just googled the batch lol... not mine (Xeon E3110 here @ 4.2@1.33v)
Should come from here: http://www.forumdeluxx.de/forum/show...hreadid=457105

[faria]

A short trip to google
4203MHz 1.368V

4ghz around...... 1.25? sort of...

4ghz around 1.25V? impossible.. 1.40V

[Garrett]

4ghz around 1.25V? impossible.. 1.40V

Some cpus can do 4ghz @ 1.20v... so what do you mean impossible

[Leeghoofd]

Fabria till now all my Wolfies did 4ghz below 1.4volt, my best one till now did it at 1.24 Vcore, tomorrow I should get 2 new Cpu's will test those batches and report asap here... E8400 should do 4.3Ghz at 1.36 volts... so looking forward to that one...

Eviva Espana !!!!!!!!!

[cincyrob]

leeghoofd
are you doing any other adjustments to get that high of a OC(4.3ghz) other than takeing the vcore up?
so i should be able to get 4.0ghz with 1.30v?

[Leeghoofd]

CPU PLL I take up to 1.56 from 1.52 and FSB Term from 1.22 to 1.26... Rest just up Vcore...

But think you will have to verify that CPU IHS mate, you got a hothead like I have one... I'm planning to lap that IHS to see if temps drop... at stock CPU idles at 42° Coretemps and goes up to 60°C at 1volt lol...

[cincyrob]

oh i was just asking so id know for future OC's. yesi gotta do something about my temps for sure.

[rge]

Does anyone know if there is a THERMAL PROFILE CHART like this one for the e8400/e8500 CPU? If so can you link me one... I can not find on for the life of me... Thanks..

http://download.intel.com/design/pro...hts/318732.pdf
page 79

[Grnfinger]

4ghz around 1.25V? impossible.. 1.40V

my 8400 does 4.3GHz at 1.37v

[Lu(ky]

http://download.intel.com/design/pro...hts/318732.pdf
page 79

Awesome thanks so much..

[little_scrapper]

Ok, I'm in. I just picked up a E8400 at microcenter today. They are on sale for $185. I'll post results when I get around to installing this chip. Anyone want to speculate what this chip will do in my current rig?



Ohh look... its just a baby.

[Peter949]

Intel really selling these puppies. Most sellers have newly manufactured chips only.

[F0rr3sTT]

Hello,

I have my 'old' e8500 Q805A564 that I never got around to building with 'till now.

With a 'good' cpu-only WC loop, anyone care to venture on the the expectations for 24/7 speeds with this cpu + P5Q Dlx?

From the list compiled by Leeghoofd, it doesn't seem that my dream of 480*9.5 is going to be possible with reasonable v for 24/7. Looks like I should be able to hold 450*9.5 for 24/7. When I build, I'll definitely post results, but for now, any thoughts?? Also, max vcore for daily use 1.4 okay, or is lower needed for daily??

[cincyrob]

Hello,

I have my 'old' e8500 Q805A564 that I never got around to building with 'till now.

Also, max vcore for daily use 1.4 okay, or is lower needed for daily??

im no pro at this stuff by far but from, what i have read and heard from others, i think 1.4v for everyday 24/7 usage is a little high. myself i wouldnt try over 1.36v for everyday useage. thats just my opinion.

[HDCHOPPER]

Ok, I'm in. I just picked up a E8400 at microcenter today. They are on sale for $185. I'll post results when I get around to installing this chip. Anyone want to speculate what this chip will do in my current rig?



Ohh look... its just a baby.