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cant get 4ghz stable

post #1 of 15
Thread Starter 
i cant seem to get stable at 4Ghz on my current setup...
the settings were all auto except for the multi (19) and the fsb (215)
the pc booted up fine but when i ran prime95 it bsod, i didnt see what code it was
so what im asking is if anyone know how i can make it stable or if i truly need a new board

EDIT: its at 3.85 atm running fine
post #2 of 15
What is your Vcore? You just probably need a voltage bump.
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post #3 of 15
Exactly, did you up your voltage? Move it up .05 - .1 and try again.
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post #4 of 15
Yeah especially with a board like his, it might even fry the VRMs at around 1.5v. My board is known for VRM failure and it can only do 1.5-1.55v max for quads and that is pushing it. Considering my board is better than OP's, I wouldn't push your voltage past 1.45v to 1.5v without a heatsink and proper cooling on the VRMs.

@OP can you tell us what your idle and load voltage readings are in CPU-Z? Also, have you set your RAM in full auto or did you at least set it to the stock settings specified by the manufacturer? (aka timings and voltage on the sticker on the RAM)
    
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post #5 of 15
Thread Starter 
Quote:
Originally Posted by Kokin View Post
Yeah especially with a board like his, it might even fry the VRMs at around 1.5v. My board is known for VRM failure and it can only do 1.5-1.55v max for quads and that is pushing it. Considering my board is better than OP's, I wouldn't push your voltage past 1.45v to 1.5v without a heatsink and proper cooling on the VRMs.

@OP can you tell us what your idle and load voltage readings are in CPU-Z? Also, have you set your RAM in full auto or did you at least set it to the stock settings specified by the manufacturer? (aka timings and voltage on the sticker on the RAM)
um... i clearly said that everything was on auto except for the FSB and the multiplier , i didnt want to mess around with something that was renamed to some BS name like vddf bla bla i dont know what these new settings are or that they are for... there's like 5 or 6 voltage settings and i dont really know which is for what part... i miss the good old days where they had nice names that are easy to understand for what type of item u are modifying. i can tell u this ,i DONT know what is a safe vcore level for the cpu as i dont want to burn it out.. as for the ram i though these were overclocking ram
post #6 of 15
Quote:
Originally Posted by vtech1 View Post
um... i clearly said that everything was on auto except for the FSB and the multiplier , i didnt want to mess around with something that was renamed to some BS name like vddf bla bla i dont know what these new settings are or that they are for... there's like 5 or 6 voltage settings and i dont really know which is for what part... i miss the good old days where they had nice names that are easy to understand for what type of item u are modifying. i can tell u this ,i DONT know what is a safe vcore level for the cpu as i dont want to burn it out.. as for the ram i though these were overclocking ram
That's something you should look up... according to the AMD specs the top safe voltage is either 1.4 or 1.425 for this cpu depending on the release.
And don't be afraid of all of the variables in your BIOS After a bit of research, you find out which ones are which and which ones do what. More importantly, you learn which ones you don't need to pay much mind to.

A great guide for OCing a Black Edition Phenom II can be found here, if you're interested.
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post #7 of 15
Quote:
Originally Posted by evilsearat View Post
That's something you should look up... according to the AMD specs the top safe voltage is either 1.4 or 1.425 for this cpu depending on the release.
No, it's not 1.4v, 1.425v or 1.45v, it's 1.55v.
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post #8 of 15
This is not the ideal board to be aiming for 4Ghz on due to the unheatsinked 4-phase power and AM2 base design.

You may very well need a new board.
post #9 of 15
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post
This is not the ideal board to be aiming for 4Ghz on due to the unheatsinked 4-phase power and AM2 base design.

You may very well need a new board.
aarrgggg... i figured as much.... only problem is i cant seem to afford a new one atm
i guess its fine at 3.85 until i can get my hands on a new board. i was looking at the asrock 970 extreme4 are they good overclockers?
here is the prime results
Quote:
[Mon Jul 25 23:38:38 2011]
FATAL ERROR: Rounding was 0.5, expected less than 0.4
Hardware failure detected, consult stress.txt file.
[Mon Jul 25 23:53:53 2011]
FATAL ERROR: Rounding was 0.5, expected less than 0.4
Hardware failure detected, consult stress.txt file.
Compare your results to other computers at http://www.mersenne.org/report_benchmarks
AMD Phenom(tm) II X4 965 Processor
CPU speed: 3952.89 MHz, 4 cores
CPU features: RDTSC, CMOV, Prefetch, 3DNow!, MMX, SSE, SSE2
L1 cache size: 64 KB
L2 cache size: 512 KB, L3 cache size: 6 MB
L1 cache line size: 64 bytes
L2 cache line size: 64 bytes
L1 TLBS: 48
L2 TLBS: 512
Prime95 64-bit version 25.11, RdtscTiming=1
Best time for 768K FFT length: 10.263 ms.
Best time for 896K FFT length: 12.465 ms.
Best time for 1024K FFT length: 14.050 ms.
Best time for 1280K FFT length: 17.919 ms.
Best time for 1536K FFT length: 21.654 ms.
Best time for 1792K FFT length: 26.402 ms.
Best time for 2048K FFT length: 29.717 ms.
Best time for 2560K FFT length: 39.408 ms.
Best time for 3072K FFT length: 47.490 ms.
Best time for 3584K FFT length: 57.316 ms.

Edited by vtech1 - 7/26/11 at 5:36pm
post #10 of 15
Why are you using auto settings? That is a horrible idea. You should manually set your settings, especially voltages. If you don't know what something means then look it up, don't just leave it on auto and hope it works good. Overclocking to a speed of 3.8GHz most definitely needs a voltage raise, and setting everything to auto sure isn't going to make it work for you.

As it has been mentioned already, you shouldn't be trying to reach 4GHz on the board anyway. I would concentrate on getting 3.8GHz stable..

Those errors you are getting in Prime95 usually mean you don't have enough voltage..
Raise that voltage! Do not use auto!
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