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Official Phenom II x2 500 Club! - Page 284

post #2831 of 4289
Right now at X4 208x17 3.536 w/1.48v it will run for two hours with prime95 x64, I turned it off because I didn't like running at 64-66c any longer (I use speed fan,hardware monitor and everest for temps). Had it stable at 3.7 X4 but was too hot for the stock cooler. I read something from amd on overclocking am3 BE's and it said that the NB works best at 3 times memory frequency. For me that's 832x3=2496. what voltage would that require? I have it at 2288 with 1.185v and it's running fine but I haven't tested for long periods of time. Also my HT doesn't change when I change it in the bios but it sounds like raising HT doesn't do that much and could make it unstable.
post #2832 of 4289
Quote:
Originally Posted by AZander View Post
For me that's 832x3=2496. what voltage would that require? I have it at 2288 with 1.185v and it's running fine but I haven't tested for long periods of time. Also my HT doesn't change when I change it in the bios but it sounds like raising HT doesn't do that much and could make it unstable.
AZander, anything over 2400Mhz and I would recommend a +.200 increase in cpu-nb voltage. This is also assuming you have at least a 3.5 - 3.6Ghz overclock. Try with what you have now to see if it's stable. I believe the "max" is somewhere around 1.35 - 1.4 volts.

In regards to your HT Link speed question...that is correct. Changing it really doesn't provide any benefits. If anything it'll cause more harm than good.

Good luck
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post #2833 of 4289
I tried what you posted thinker, still no luck.

I'm stumped. All small FFT tests pass perfectly fine. I'm seeing all cores being used @ 100%, no issue.

Now, as soon as I run blend, or the other test I freeze up. No BSOD, just freeze up

edit: runs cod perfectly fine too, all this at 1.4v
Edited by Ruckol1 - 12/9/09 at 12:32pm
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post #2834 of 4289
Quote:
Originally Posted by Ruckol1 View Post
I tried what you posted thinker, still no luck.

I'm stumped. All small FFT tests pass perfectly fine. I'm seeing all cores being used @ 100%, no issue.

Now, as soon as I run blend, or the other test I freeze up. No BSOD, just freeze up

edit: runs cod perfectly fine too, all this at 1.4v
It mayb be a long shot, but try running furmark, getting a general average fps, and then run prime with small FFT's. My proc was occasionally more unstable with blend than FFT's and it dramatically reduced my FPS in furmark when I ran Prime. If that happens to you it may very well just be a bad core, possibly having a problem communicating with the ram...
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post #2835 of 4289
Quote:
Originally Posted by Ruckol1 View Post
I tried what you posted thinker, still no luck.

I'm stumped. All small FFT tests pass perfectly fine. I'm seeing all cores being used @ 100%, no issue.

Now, as soon as I run blend, or the other test I freeze up. No BSOD, just freeze up

edit: runs cod perfectly fine too, all this at 1.4v
Ruckol1, just to clarify did the memtest86 diagnostic pass with all cores unlocked or was it just ran with only two cores?

It really sounds like those other cores are faulty or at least one of them is. The locked cores could be sending bad signals through the cache to the ram/imc which might be the result of the issues.

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post #2836 of 4289
I have NB running at 2496 with 1.225v. Cpu is at X4 208x17=3.536 with 1.480v. Ram at 1664 with 1.77v and HT at 2080. I ran Everest stability test while i was sleeping and it was still running 7 hours latter, temp was 60c. I used Everest because it doesn't seem to generate as much heat as Prime96 x64. Passmark's Performance test gives me a score of 1170 +/-4 with only the Ati 4200 (4670 is going to hopefully be here tomorrow). I tried turning down the cpu frequency and every number from 200 to 207 was unstable, it seems to like the 208. At 200 the two cores that came locked would fail using prime95 but at 208 Im having no problems. In bios my cores are all at -2 in ACC. I tried +2 but didn't improve any scores and I don' know what those settings do so i put them back to -2.




post #2837 of 4289
Quote:
Originally Posted by thlnk3r View Post
Ruckol1, just to clarify did the memtest86 diagnostic pass with all cores unlocked or was it just ran with only two cores?

It really sounds like those other cores are faulty or at least one of them is. The locked cores could be sending bad signals through the cache to the ram/imc which might be the result of the issues.

Good luck
The meme test passed, 100% with all four cores running at stock speeds.

This couldn't be a ram voltage/nb voltage/ nb-cpu voltage issue? all i can think of. I would really like to try my chip on a ACC board instead of this NCC crap to see if that was it.

maybe my psu is not handling the four cores + 9800gtx+ + 4 fans + 2 harddrives?
Edited by Ruckol1 - 12/9/09 at 3:45pm
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post #2838 of 4289
After a few more hours fiddling I managed to get a stable extra core.

Here is the information of all my hours of hard work for those googler-s out there in the internet world. (You helped me RussC of extreme systems. P.s. I nearly had a heart attack when I saw your name, and setup. We both had the same CPU, and motherboard [I have not seen many people at all with the M4N78 Pro for some reason) AND you have the exact same first and last name as me. o_O)

These are TRI Core instructions - I have searched for hours upon hours across the net and have yet to find anybody with a stable unlocked QUAD on the 720a chipset that uses NCC rather than ACC.
Anyways, here's what I had to do. 2 people have confirmed as having this same issue with this mobo + cpu combination.

In BIOS 1004 set NCC to PER CORE, and set the last core (Should be#3) to 0%, with all the other cores at 2%. Save and exit.

In windows, click start, type RUN, then MSCONFIG. In msconfig go to advance tab > processors and set to 3. Apply and restart.

Note: Every chip is different, you will likely have to up your voltage. I am at 1.4v currently, lower MAY work although I have no tried it yet.

You should boot into windows fine, I have been running Prime95 blend tests with no errors for awhile now @ stock speeds and 1.4v.

Thanks to thlnk3r @ Overclock.net and RussC @ xtreme forums for their help.
Edited by Ruckol1 - 12/9/09 at 6:16pm
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post #2839 of 4289
Quote:
Originally Posted by Ruckol1 View Post
After a few more hours fiddling I managed to get a stable extra core.

Here is the information of all my hours of hard work for those googler-s out there in the internet world. (You helped me RussC of extreme systems. P.s. I nearly had a heart attack when I saw your name, and setup. We both had the same CPU, and motherboard [I have not seen many people at all with the M4N78 Pro for some reason) AND you have the exact same first and last name as me. o_O)

These are TRI Core instructions - I have searched for hours upon hours across the net and have yet to find anybody with a stable unlocked QUAD on the 720a chipset that uses NCC rather than ACC.
Anyways, here's what I had to do. 2 people have confirmed as having this same issue with this mobo + cpu combination.

In BIOS 1004 set NCC to PER CORE, and set the last core (Should be#3) to 0%, with all the other cores at 2%. Save and exit.

In windows, click start, type RUN, then MSCONFIG. In msconfig go to advance tab > processors and set to 3. Apply and restart.

Note: Every chip is different, you will likely have to up your voltage. I am at 1.4v currently, lower MAY work although I have no tried it yet.

You should boot into windows fine, I have been running Prime95 blend tests with no errors for awhile now @ stock speeds and 1.4v.

Thanks to thlnk3r @ Overclock.net and RussC @ xtreme forums for their help.
Correct me if I'm wrong, but doesn't that method just mean that windows doesn't utilize the last core but it's still receiving power?
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post #2840 of 4289
Quote:
Originally Posted by crysisanity View Post
Correct me if I'm wrong, but doesn't that method just mean that windows doesn't utilize the last core but it's still receiving power?
im not familiar with how acc works. i only know how to unlock my cpu with it. is there a possible way to get performance gains from changing it from auto?
    
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