New motherboard, new adventure
Alright, so the time has come for some results on the new motherboard. I've barely scratched the surface.
First off, let's take a look at the old one @ stock settings.
Now, let's compare to the new motherboard:
OK, so right off the bat, not much difference. Memory is slightly higher, but easily margin of error, or more to test, or some other strange thing.
Now, previous overclock was capped @ 3.1ghz @ 1.525V. I figured, I should be able to do better than that. Truthfully, at first, I was not. However, the whole point to getting this motherboard was for ACC, which has been known to help people with their overclocks.
3.1 @ 1.45v, Acc = +2%:
K, so I tried 1.375, then shot straight to 1.45v. Was freezing second pass in 3dmark, so tweaked acc to +2%, and now it passes a 5 loop of 3dmark. Might be some room for a slightly lower voltage, but will tweak at the very end.
How is the new cooler you might ask?
It's big! Much larger than I expected. Tops the graphics card by 2" or so. How cool you might ask? Idle right now is 26C, and load @ 1.45v is 39C. Says cores idle at 7C, which is impossible, since the room temp is not that low. Old system with tornado was about 15C for the cores, so they are cooler. I figure AMD over reports by about 10-15C, probably a selling thing.
CPU is out of the case atm to rule out air flow issues. As5 was a bit sticky, probably because it sat outside for a bit before I got home to put the package inside.
Their is a feature on the GB motherboard called "EC Firmware", which has no documentation for it, which means it's probably doing something that it shouldn't. From what I can tell online, it is the old code for ACC which enabled processors to unlock cores. It also has been reported to help overclocks require less voltage. I left it at default, but will look to tweak later.
Now, back to the tests.
Oh yeah! Now we are up to 3.2 ghz. Passed 5 way for 3dmark06, so time to move on. Same setting as 3.1, which means voltage was probably way too high initially.
3.3 ghz now, and stable enough. Moved on to 3.4 and that seems to be the spot that is going to take some effort to get through. Basically, back to where i was at 3.1 awhile ago. So, CPU voltage starting to get drained, crashes on 3dmark even at 1.55v, so thinking it may not be a cpu voltage issue. Increased the NB/HT to 2200 which according to an article i read is about where 3.4 should be, just incase the issue is caused by trottling.
I def think it's possible to stabilize 3.4, but past that, not so sure. Not atleast without doing something radical, like increase the vcore past it's threshold.
Last edited by ozzy983; 12-22-2009 at 07:45 AM.
Athlon 64 X2 7750 Kuma @ 3360 Ghz @ 1.475V (14.5x223)
(NB: 2240, HT: 2015)
Sparkle GeForce 9800 GTX+ (755core, 1350 mem)
Onboard sound (yuck)
4GBs Mushkin DDR800 (6/6/6/18/24 @ 928mhz)
2x74GBs RAID 0
2xWD 1TB HD RAID 1
Plexter DVD Burner