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Overclocking Phenom II X4 940 Issues

Last response: in Overclocking
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May 2, 2009 11:10:59 PM

So I decided to start overclocking my Phenom II 940 well frankly, because I can. And so far I currently have it pushed to 3.6 @1.40v and 2.2 for the HTT/NB @ stock voltage. But here is where I run into issues. I read everywhere people pushing their NB to 2.4, 2.8 etc with no issues what so ever. However, when I try to push my NB to 2.4, it doesn't matter if I give it 1.5v, it just isn't stable, I even tried putting back down the HTT to 2.0, and the stock 1.8 since I read that higher HTT can cause OC'ing issues. I am really just baffled why I can't push my NB, I really was hoping to get it to at least 2.4, any insight would be greatly appreciated!
May 3, 2009 5:49:24 AM

Try drooping down to 800mhz. and then raise nb to see if maybe the ram is the issue. Ive had lots of problems at 1066 also! Just a thought.
May 3, 2009 6:41:04 PM

lostny11 said:
Try drooping down to 800mhz. and then raise nb to see if maybe the ram is the issue. Ive had lots of problems at 1066 also! Just a thought.


Ah not a bad idea, thanks I'll give that shot and let you know if it worked!
June 1, 2009 4:39:15 AM

Dropping to 800mhz didn't solve my problem, however, I found hitting F9 in my bios enabled extra options in the Genie Bios section, and under CPU Features I found the CPU-NB Voltage, I was raising the NB Core voltage before because that's all that was listed in the bios! (Default is 1.30 for this apparently) and I raised my CPU-NB from stock to 2.25 and NB@2.4 is stable with CPU@3.6 1.425v.

The next wall I've run into is trying to push the NB to 2.6 with the CPU@3.8(1.45v). If I try to run the NB@2.6 it doesn't matter if I raise my CPU-NB voltage to 1.325, it just doesn't want to be stable. Sometimes it won't post, then if I restart it will post but either BSOD during a benchmark or just restart during the windows loading bar. I currently have a blower fan over my Chipset which lowered the temp from about 52c to 41c under load and it still didn't help the 2.6 barrier.

I have read that making my P-State P1 instead of P0 can help with stability when overclocking but I can't find a definitive answer on what exactly setting it to P1 does and I'd like to know what it does before I start playing around with it, I just want to look in the right area to try to fix this!
!