**Official e8400/e8500 Retail OC Thread

[resyn]

Hey guys, been awhile since I posted on this thread, back in April it was. I had an E8400 C0 revision that ran several months @ 450 x 9 while only requiring 1.30v loaded cpuz vcore. Well, i got bored with my overclock recently (of course), and decided to start pushing the fsb upwards for many reasons, including memory bandwidth. Anyhow, I was linpacking with the chip at 500 x 8.5 (4250) and my temps were getting into the mid to high 70's, while I don't promote those temperatures, I figured for a very short period of time wouldn't hurt (~10-15 minutes while linpack was running, as no other program including orthos/prime could get this cpu that hot.) It seemed i found a new stable clock @ 500x8.5, but within a couple more days of some short benching, i found my chip to be unstable not only at the new clock settings, but also the original 450 x 9 i had been running for MONTHS, so I reverted back to stock settings, and could not find it stable there either. My rig would boot everytime, however would freeze during benching, even at stock speeds, I tried the cpu in a spare gigabyte ds3l board i have but to no avail. I just want to let you all know that my cpu was not killed by voltage, as I had NEVER since i purchased this chip in march of '08 did i ever run more than 1.38vcore thru it for more than a few minutes, and my 24/7 setting was 4ghz @ 1.30v loaded vcore. I believe this cpu to have been degraded by temperature, not voltage. I picked up a new 8400 wolfie e0 revision, let me know what you think

[CryptiK]

Hey guys, been awhile since I posted on this thread, back in April it was. I had an E8400 C0 revision that ran several months @ 450 x 9 while only requiring 1.30v loaded cpuz vcore. Well, i got bored with my overclock recently (of course), and decided to start pushing the fsb upwards for many reasons, including memory bandwidth. Anyhow, I was linpacking with the chip at 500 x 8.5 (4250) and my temps were getting into the mid to high 70's, while I don't promote those temperatures, I figured for a very short period of time wouldn't hurt (~10-15 minutes while linpack was running, as no other program including orthos/prime could get this cpu that hot.) It seemed i found a new stable clock @ 500x8.5, but within a couple more days of some short benching, i found my chip to be unstable not only at the new clock settings, but also the original 450 x 9 i had been running for MONTHS, so I reverted back to stock settings, and could not find it stable there either. My rig would boot everytime, however would freeze during benching, even at stock speeds, I tried the cpu in a spare gigabyte ds3l board i have but to no avail. I just want to let you all know that my cpu was not killed by voltage, as I had NEVER since i purchased this chip in march of '08 did i ever run more than 1.38vcore thru it for more than a few minutes, and my 24/7 setting was 4ghz @ 1.30v loaded vcore. I believe this cpu to have been degraded by temperature, not voltage. I picked up a new 8400 wolfie e0 revision, let me know what you think

Really nice clocks, that's a great chip. What's the batch number?

[nullface]

NB: 1.3V
VTT: 1.1
GTL: 61x
NB GTL: 58x
Vdimm: 2.05V

[Jodiuh]

Well, I hit 4400, but it requires about .1v more than 4200 and hits almost 13c higher too. What do you think guys, is <70 good enough or too risky for these chips?

In HWmonitor:
Remote 1 ~ Northbridge
Remote 2 ~ Southbridge
Room temp ~ 25C

[lexus232]

Well, I hit 4400, but it requires about .1v more than 4200 and hits almost 13c higher too. What do you think guys, is <70 good enough or too risky for these chips?

In HWmonitor:
Remote 1 ~ Northbridge
Remote 2 ~ Southbridge
Room temp ~ 25C

i think it's awesome for C0! What settings you are using in BIOS?

[Jodiuh]

i think it's awesome for C0! What settings you are using in BIOS?

Damn. I just changed back to 4Ghz. The only difference's would be the obvious increase in Vcore (to 1.344 in windows w/ orthos loaded), a single notch drop in VTT, and of course the bus speed. Aside from that, here ya go:





It's much friendlier on my room temp wo/ that E8400 pumping out the heat 2 4.4Ghz. IMO, the risks and heat output simply aren't worth the extra 400Ghz.