**Official e8400/e8500 Retail OC Thread

[gergregg]

Ok more playing.. E8400 to 4320mhz/480FSB/1.298vcore... failed prime again! Always the same worker, CPU #0


I moved the ram timings out to 5-7-7-18 and upped the volts to 2.16
(they are rated at 533mhz, 5-5-5-15 @ 2.1v)
So i might try 6-7-7-18 later on when i get home

Any ideas peoples?

I've always had a suspicion my ram wasnt totally happy as i set it to what the EPP says in CPU-Z and it never posted.
Maybe they are angry at me hehe

Break it down to testing the ram and cpu separately.
Test with memtest and see if it the ram. Let it go to 1000% if you can. I've had errors show up at 500-600% and prime was failing after long periods.

http://hcidesign.com/memtest/

[NidStyles]

IBT stable at 4.275Ghz. 475X9FSB 1.38Vcore.

I set the Vcore higher just for peace of mind. I will have better results when I finally get that new RAM in, and can get this board under water. Still in the process of building it. You should see my other toy Will post pics when I can find my camera.

http://valid.canardpc.com/show_oc.php?id=501725

[R31Nismoid]

Break it down to testing the ram and cpu separately.
Test with memtest and see if it the ram. Let it go to 1000% if you can. I've had errors show up at 500-600% and prime was failing after long periods.

http://hcidesign.com/memtest/

Ye ive got memtest86 on a boot CD, the ram passed in stock form./

Will have a crack @ that one overnight and see

[gergregg]

Ye ive got memtest86 on a boot CD, the ram passed in stock form./

Will have a crack @ that one overnight and see

I've seen a big difference between memtest86 and the windows version. I could memtest86 up to 580mhz and show no errors. In windows I could only muster 565 or so.

Good luck!