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Orthos Error + Computer Freezes after Overclock

post #1 of 8
Thread Starter 
Hey Guys.

Over the weekend, I decided to try and overclock my processor after having installed a new CPU cooler and getting much lower idle/load temps then with the stock. I upped the FSB to 333mhz instead of the default 266mhz, and upped the voltage of the vcore to +12% on my Foxconn 975x7ab. The computer booted ok, though it took a while to get to the bios. I ran orthos and immediately got errors.

I decided to try and boost the Vcore voltage up a bit, but every time i changed it to be higher the actual voltage didn't seem to change (up to the max +24% on my mobo). The default was 1.29v and it went up to about 1.31/1.32 but didn't go any higher. At the same time, my computer started being unstable and freezing all the time without blue screen. This is when i decided to reset everything back to normal in the bios using both the Load Optimized Settings and the reset jumper, but either way Windows 7 would freeze after 2-3 minutes without error. This never happened before trying to overclock.

I tried reinstalling windows 7 but it froze during that, so I decided to start up memtest to see if there was an issue with the memory. This ran cleanly for several hours, as did hard drive fitness tests. Finally, I gave up and went to hockey with memtest running on it. When i came back, i was actually able to install windows without freezing, and it seemed to run ok. However, it also started failing Orthos tests (log attached). When playing around with it last night it also froze a few times without error, and a few times with a blue screen (unrelated since it was caused by new video drivers, that's fixed).

Do you guys think I may have fried my CPU/Motherboard when overclocking? I think it may be the motherboard since the voltages wouldn't properly go up but i'm not sure. Is there any info i'm missing?


Note on orthos log: there are several different times, the latest being at the bottom. Also note the top 3 are while overclocked, where some of the numbers are off. Let me know if you'd like me to clean it up.

Thanks,
Philippe
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post #2 of 8
What voltage are you running right now?
 
Gsvlip Dudyrm
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post #3 of 8
Thread Starter 
1.296V according to CPU-z.
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post #4 of 8
Thread Starter 
I ran my machine fine for about 10 hours last night without freezes. I wonder if it's going to be ok from now on. Is the Foxconn 975x7ab good for overclocking usually? I've seen people talk about it both ways on different forums/reviews.
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post #5 of 8
voltages in bios will always be higher than what is reported in cpu-z or another program that detects voltages and etc.

also it is very hard to destroy a cpu/mobo while overclocking..you have to be pumping an insane amount of voltage (max intel recommended on core 2 duos is 1.45V, i have seen 1.52V before for suicide runs)

also your machine may be fine 10 hours, no stress, but you must use prime 95 or OCCT stress test to make completely sure.


also it is known that installing windows overclocked causes problems. your ram was probably giving you trouble i'd up the northbridge voltage to 1.24v and the VTT (cpu termination) to 1.22V.
 
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by srsparky32 View Post
voltages in bios will always be higher than what is reported in cpu-z or another program that detects voltages and etc.

also it is very hard to destroy a cpu/mobo while overclocking..you have to be pumping an insane amount of voltage (max intel recommended on core 2 duos is 1.45V, i have seen 1.52V before for suicide runs)

also your machine may be fine 10 hours, no stress, but you must use prime 95 or OCCT stress test to make completely sure.


also it is known that installing windows overclocked causes problems. your ram was probably giving you trouble i'd up the northbridge voltage to 1.24v and the VTT (cpu termination) to 1.22V.
The windows freezings and such were after i had reset everything to stock, no longer overclocking. Orthos still fails with everything at stock as well. Glad to here that the chance of damaging my components is low though.
Edited by pip8786 - 3/24/10 at 12:48pm
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post #7 of 8
Thread Starter 
I've just noticed that I only get errors when i run one of the tests that include ram:

Type: Large, in-place FFTs - stress some RAM Min: 128 Max: 1024 InPlace: Yes Mem: 8 Time: 15
CPU: 2660MHz FSB: 266MHz [266MHz x 10.0 est.]
3/25/2010 9:07 PM
Launching 2 threads...
Using CPU #0
Beginning a continuous self-test to check your computer.
Press Stop to end this test.
Test 1, 4000 Lucas-Lehmer iterations of M19922945 using 1024K FFT length.
Test 2, 4000 Lucas-Lehmer iterations of M19922943 using 1024K FFT length.
Test 3, 4000 Lucas-Lehmer iterations of M19374367 using 1024K FFT length.
Test 4, 4000 Lucas-Lehmer iterations of M19174369 using 1024K FFT length.
FATAL ERROR: Rounding was 0.5, expected less than 0.4
Hardware failure detected, consult stress.txt file.
Torture Test ran 7 minutes 28 seconds - 1 errors, 0 warnings.
Execution halted.

The blend test (more ram) fails even quicker:
Type: Blend - stress CPU and RAM Min: 8 Max: 4096 InPlace: No Mem: 2814 Time: 15
CPU: 2660MHz FSB: 266MHz [266MHz x 10.0 est.]
3/25/2010 10:06 PM
Press Stop to end this test.
Test 1, 4000 Lucas-Lehmer iterations of M19922945 using 1024K FFT length.
FATAL ERROR: Rounding was 0.5, expected less than 0.4
Hardware failure detected, consult stress.txt file.
Torture Test ran 1 minutes 35 seconds - 1 errors, 0 warnings.

Any way to fix this/diagnose further? I've run memtest 5-6 passes cleanly.
Edited by pip8786 - 3/25/10 at 7:12pm
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post #8 of 8
Quote:
Originally Posted by pip8786 View Post
I've just noticed that I only get errors when i run one of the tests that include ram:

Type: Large, in-place FFTs - stress some RAM Min: 128 Max: 1024 InPlace: Yes Mem: 8 Time: 15
CPU: 2660MHz FSB: 266MHz [266MHz x 10.0 est.]
3/25/2010 9:07 PM
Launching 2 threads...
Using CPU #0
Beginning a continuous self-test to check your computer.
Press Stop to end this test.
Test 1, 4000 Lucas-Lehmer iterations of M19922945 using 1024K FFT length.
Test 2, 4000 Lucas-Lehmer iterations of M19922943 using 1024K FFT length.
Test 3, 4000 Lucas-Lehmer iterations of M19374367 using 1024K FFT length.
Test 4, 4000 Lucas-Lehmer iterations of M19174369 using 1024K FFT length.
FATAL ERROR: Rounding was 0.5, expected less than 0.4
Hardware failure detected, consult stress.txt file.
Torture Test ran 7 minutes 28 seconds - 1 errors, 0 warnings.
Execution halted.

The blend test (more ram) fails even quicker:
Type: Blend - stress CPU and RAM Min: 8 Max: 4096 InPlace: No Mem: 2814 Time: 15
CPU: 2660MHz FSB: 266MHz [266MHz x 10.0 est.]
3/25/2010 10:06 PM
Press Stop to end this test.
Test 1, 4000 Lucas-Lehmer iterations of M19922945 using 1024K FFT length.
FATAL ERROR: Rounding was 0.5, expected less than 0.4
Hardware failure detected, consult stress.txt file.
Torture Test ran 1 minutes 35 seconds - 1 errors, 0 warnings.

Any way to fix this/diagnose further? I've run memtest 5-6 passes cleanly.
give it more volts
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