**Official e8400/e8500 Retail OC Thread

[Mumid]

Well after a few months not only did my E8400 require more volts but also my motherboard. Managed to get my system stable again @ 500x8 but needed to bump my cpu to a rather high 1.41 from 1.39 and also my northbridge from +0.125 to +0.325:

Stepping Q744a:



Even though this chip needs loads of volts for 4GHZ, it seems to run fairly cool under the Arctic Freezer 7 Pro and there are no issues with the core sensors. Ive seen loads of newer E8400's running with way less vcore but are reaching far higher temperatures! Seems to be that newer chips run hotter but need less vcore.

I am using a new beta bios that was sent to from Gigabyte for my board that fixes the DPC latency issue, my system has real low latency now, can run audio with a latency less than 1 and my system feels really snappy on the whole. Beta bios works fine with no bugs. Here is my latency now:

[Leeghoofd]

Well after a few months not only did my E8400 require more volts but also my motherboard. Managed to get my system stable again @ 500x8 but needed to bump my cpu to a rather high 1.41 from 1.39 and also my northbridge from +0.125 to +0.325:

Seems to be that newer chips run hotter but need less vcore.

I am using a new beta bios that was sent to from Gigabyte for my board that fixes the DPC latency issue, my system has real low latency now, can run audio with a latency less than 1 and my system feels really snappy on the whole. Beta bios works fine with no bugs. Here is my latency now:

Ever thought ya mobo is giving in ? Or maybe due to the lower latencies and increased performance level by the new bios requires you to pump more NB volts... NB voltage nothing to do with ya CPU mate...

Newer chips run hotter ? all a mix of batch, VID, Wafernr ... pure speculation there...

Good clocks, but I would replace that Freezer with something beefier... not all core readouts are correct... no matter what program you use... just for ya peace of mind...

[Mumid]

Ever thought ya mobo is giving in ? Or maybe due to the lower latencies and increased performance level by the new bios requires you to pump more NB volts... NB voltage nothing to do with ya CPU mate...

Yeah, i think my mobo needs a lot of volts to run 500fsb performance level 7. Its not the new bios though, as it was the same with the previous official F12 bios. I know NB voltage is nothing to do with CPU i was just talking about system stability in general. Maybe i just didnt stress test it properly in the first place!!

Newer chips run hotter ? all a mix of batch, VID, Wafernr ... pure speculation there...

Yeah that is pure speculation mate! Just a casual observation...

Good clocks, but I would replace that Freezer with something beefier... not all core readouts are correct... no matter what program you use... just for ya peace of mind...

Cheers mate, can you add me to your O\C list please? LOL i was gonna try for 9x500, defo need a new cooler for that allthough the Freezer 7 is holding up pretty well, my temps seem pretty accurate TBH but i hear what your saying.