F5F Stay Refreshed Power Users Overclocking Prime95 one core failure

Prime95 one core failure

Prime95 one core failure

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H
hugsrocks
Member
106
06-18-2025, 08:51 AM
#11
CPU-Z's memory section displays the memory quantity, frequency, channel, and basic timings. For more detailed timing information, you may need to access the BIOS, where you'll find CAS latency, speed, and voltage listed next to the memory modules. Ensure these values match what CPU-Z reports.
H
hugsrocks
06-18-2025, 08:51 AM #11

CPU-Z's memory section displays the memory quantity, frequency, channel, and basic timings. For more detailed timing information, you may need to access the BIOS, where you'll find CAS latency, speed, and voltage listed next to the memory modules. Ensure these values match what CPU-Z reports.

B
bssoldner
Junior Member
45
06-18-2025, 08:51 AM
#12
Yeah those are all the right setting right now. I'll run the smaller fft's. OCCT Passed on large ftt's though which is odd.
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bssoldner
06-18-2025, 08:51 AM #12

Yeah those are all the right setting right now. I'll run the smaller fft's. OCCT Passed on large ftt's though which is odd.

S
ser753951
Member
203
06-18-2025, 08:51 AM
#13
Optimal method involves adjusting Prime settings: custom FFT sizes from 4k to 128k for smaller calculations, and aiming for about 75% RAM usage while allowing some buffer for Windows. Currently, I use 128k - 2048k, which appears to strain my hardware.
S
ser753951
06-18-2025, 08:51 AM #13

Optimal method involves adjusting Prime settings: custom FFT sizes from 4k to 128k for smaller calculations, and aiming for about 75% RAM usage while allowing some buffer for Windows. Currently, I use 128k - 2048k, which appears to strain my hardware.

K
Killz13
Junior Member
4
06-18-2025, 08:51 AM
#14
It's interesting that OCCT works well; perhaps it's also beneficial to thoroughly test your RAM using memtest. Share your experience with Small FFTs.
K
Killz13
06-18-2025, 08:51 AM #14

It's interesting that OCCT works well; perhaps it's also beneficial to thoroughly test your RAM using memtest. Share your experience with Small FFTs.

J
jameson627
Member
50
06-18-2025, 08:51 AM
#15
If it's an issue with my ram, will the 1.55v oc void my warranty? They're supposed to have a limited lifetime warranty.
J
jameson627
06-18-2025, 08:51 AM #15

If it's an issue with my ram, will the 1.55v oc void my warranty? They're supposed to have a limited lifetime warranty.

Y
Yortix
Junior Member
30
06-18-2025, 08:51 AM
#16
They will recognize the signs of overvoltage.
Y
Yortix
06-18-2025, 08:51 AM #16

They will recognize the signs of overvoltage.

F
FladaHD
Member
222
06-18-2025, 08:51 AM
#17
The 10-minute small FFT test completed smoothly. Test15 succeeded on all cores. Temperatures stayed within acceptable limits. It looks like lowering the voltage might help since it doesn't need to be so high for this small test. My CPU appears stable, but my memory seems to be the source of the issue.
F
FladaHD
06-18-2025, 08:51 AM #17

The 10-minute small FFT test completed smoothly. Test15 succeeded on all cores. Temperatures stayed within acceptable limits. It looks like lowering the voltage might help since it doesn't need to be so high for this small test. My CPU appears stable, but my memory seems to be the source of the issue.

J
JeyReturnz
Junior Member
36
06-18-2025, 08:51 AM
#18
I wouldn't be certain, but it seems to be.
J
JeyReturnz
06-18-2025, 08:51 AM #18

I wouldn't be certain, but it seems to be.

R
rexxx95
Member
72
06-18-2025, 08:51 AM
#19
In fact, reviewing the log shows one core with an "Illegal sumout". There were no errors and 100 warnings. It wasn't immediately apparent in the finalized view.
R
rexxx95
06-18-2025, 08:51 AM #19

In fact, reviewing the log shows one core with an "Illegal sumout". There were no errors and 100 warnings. It wasn't immediately apparent in the finalized view.

T
teaji403
Junior Member
19
06-18-2025, 08:51 AM
#20
I don't believe OCCT has round off checking, which might explain why it passes—perhaps it isn't fully stable with small FFTs either. I'd still run memtest for several hours to rule it out. Or you could consider downclocking the RAM.
T
teaji403
06-18-2025, 08:51 AM #20

I don't believe OCCT has round off checking, which might explain why it passes—perhaps it isn't fully stable with small FFTs either. I'd still run memtest for several hours to rule it out. Or you could consider downclocking the RAM.

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