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post #81 of 106
Quote:
Originally Posted by Moridin View Post

You're positive? I really don't want to keep testing 12 hours in prime if I don't have to keep doing it. I would love to know exactly what my chip needs for 5ghz, but if I have to keep testing my chip at 4.8ghz everytime I want to step back down it's honestly not worth it.

you dont have to run prime for 12 hours to find it stable. you can usually tell after about 20-30 min or less if it will be stable. doing 12 hours is just eating away at your cpu for nothing. you should really post screen shots of your bios for us to look at and see if you left something out.
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post #82 of 106
Thread Starter 
Okay, I might have found the problem... there's something enabled by default called Maximum Power, it's set for 1023.875. I have no idea why this is enabled, but would this cause me to have a handicapped overclock?

Also, what would enabling C3 and C6 do in my BIOS? Just give me better idle temps? They were both disabled by default.
post #83 of 106
Quote:
Originally Posted by F1ynn View Post

you dont have to run prime for 12 hours to find it stable. you can usually tell after about 20-30 min or less if it will be stable. doing 12 hours is just eating away at your cpu for nothing. you should really post screen shots of your bios for us to look at and see if you left something out.

Not true.

I have had BSODs that only happened 12 hours in a Prime 95 Blend test.
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post #84 of 106
Quote:
Originally Posted by jdip View Post

Not true.
I have had BSODs that only happened 12 hours in a Prime 95 Blend test.
If you have BSOD in prime95 after 12 hours of testing, your PC will be stable in everything except prime95 after 12 hours of testing wink.gif

As was mentioned F1ynn, 30min of Prime95 is all that is reallt needed to see if your PC will be stable during daily use - after that, you're not really checking for daily use stability anymore, but rather just Prime95 stability biggrin.gif

As for Prime95, I really don't see it as the ultimate "stability" benchmark - there are others that provide much better stability testing for daily use - such as the two CPu stability tests that OCCT provides. Pass a 30min test in both of the CPU tests as well as both of the GPU test that OCCT provides and your system will be absolutely fine for daily use.
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post #85 of 106
Quote:
Originally Posted by un-nefer View Post

If you have BSOD in prime95 after 12 hours of testing, your PC will be stable in everything except prime95 after 12 hours of testing wink.gif
As was mentioned F1ynn, 30min of Prime95 is all that is reallt needed to see if your PC will be stable during daily use - after that, you're not really checking for daily use stability anymore, but rather just Prime95 stability biggrin.gif
As for Prime95, I really don't see it as the ultimate "stability" benchmark - there are others that provide much better stability testing for daily use - such as the two CPu stability tests that OCCT provides. Pass a 30min test in both of the CPU tests as well as both of the GPU test that OCCT provides and your system will be absolutely fine for daily use.

Yes but not everyone's daily usage is the same as yours.

For example, a rig that folds 24/7 needs to be solid as a rock.
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post #86 of 106
Thread Starter 
Can someone please tell me what Maximum Power does when it's enabled? It's set by default to 1023.875 in my BIOS and I have no idea what it does.
Also, what would enabling C3 and C6 do? I have those disabled by default.
post #87 of 106
Quote:
Originally Posted by Moridin View Post

Can someone please tell me what Maximum Power does when it's enabled? It's set by default to 1023.875 in my BIOS and I have no idea what it does.
Also, what would enabling C3 and C6 do? I have those disabled by default.

If you are using manual voltage you want to have C3/C6 states enabled otherwise you may encounter BSOD 124's.

If you are using offset voltage you want them disabled otherwise you may encounter BSOD 124's.

& I have no idea what that option is that is set to 1023.875...
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post #88 of 106
Thread Starter 
Quote:
Originally Posted by iinversion View Post

If you are using manual voltage you want to have C3/C6 states enabled otherwise you may encounter BSOD 124's.
If you are using offset voltage you want them disabled otherwise you may encounter BSOD 124's.
& I have no idea what that option is that is set to 1023.875...
Alright, I have a manual voltage set. Should I enable C1E as well? That is disabled in my BIOS too.
As for the Maximum Power, it's under Turbo Mode Parameters. Seriously stumped on how the hell it's on, or how it's set to that random number.
post #89 of 106
Quote:
Originally Posted by Moridin View Post

Alright, I have a manual voltage set. Should I enable C1E as well? That is disabled in my BIOS too.
As for the Maximum Power, it's under Turbo Mode Parameters. Seriously stumped on how the hell it's on, or how it's set to that random number.

I wouldn't worry about it. If you enable C1E enabled SpeedStep as well, they won't effect overclocking and just throttle down the CPU freq & voltage during idle. However, if you do you may need to change any LLC settings otherwise you may end up with a possible BSOD.

Example:

LLC Ultra High:

Load volts: 1.5v
Idle volts: 1.05v


LLC High:

Load volts: 1.5v
Idle volts: 1.15v


Constantly switching between too low of a voltage and a high voltage could cause instability. The above is purely an example and not accurate with numbers in any way. So if you enable C1E/SpeedStep see where your idle/load voltages are and make sure the difference isn't something ridiculous like my Ultra High example above.
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post #90 of 106
Thread Starter 
Quote:
Originally Posted by iinversion View Post

I wouldn't worry about it. If you enable C1E enabled SpeedStep as well, they won't effect overclocking and just throttle down the CPU freq & voltage during idle. However, if you do you may need to change any LLC settings otherwise you may end up with a possible BSOD.
Example:
LLC Ultra High:
Load volts: 1.5v
Idle volts: 1.05v
LLC High:
Load volts: 1.5v
Idle volts: 1.15v
Constantly switching between too low of a voltage and a high voltage could cause instability. The above is purely an example and not accurate with numbers in any way. So if you enable C1E/SpeedStep see where your idle/load voltages are and make sure the difference isn't something ridiculous like my Ultra High example above.

Well, Speed Step is enabled but for some reason it just stays at 4.8ghz anyways. Not a big deal but it is odd. The CPU ratio is still set to auto, should I disable speed step at this point and just set it for 48? My LLC is currently at Ultra. I guess i'll leave C1E alone then.
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