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i7 930 4.0GHz OC - Opinions? - Page 4

post #31 of 42
I wish my chip was as hot as yours. I'm at 3.8ghz (i7 920) with LinX stress max temp of 77c-82c this is with ambient temp of only 22c using an H70. It may be something to do with the radiator fans being the only exhaust in the case but nothing I can do about it in the SilverStone Fortress case.

IMO I would bump the vcore to maybe 1.275v to ensure absolutely no instability over the years of use and if the room temp is due to get cooler anyway.

Try a run of LinX (very high stress with 25-30 runs) as 1-2 hours is meant to be equal to about 12-24 hours of prime95 (saves you hanging around for days testing each new setting you use), then run prime last.

Just noticed your QPI/Dram volts is at 1.20v, for me I need mine at 1.35v when my ram is running at 1600mhz or I BSOD. The faster my ram runs the more qpi/dram volts I need to stabilize the IMC.

Great temps tho for 4ghz especially with those ambients, so jealous
 
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post #32 of 42
Thread Starter 
Quote:
Originally Posted by Inteller View Post
If it was a temp problem, your cpu would have throttled down.

Plus your cpu cooler is a Monster! I used one, and the Prolimatech's are great! You can improve it's performance, by getting 2 higher output fans.
The logging is just to cover bases and know all angles . I'm moving my computer further away from me today so I probably will be ramping up all my fan speeds as well.

Quote:
Originally Posted by flamin9_t00l View Post
I wish my chip was as hot as yours. I'm at 3.8ghz (i7 920) with LinX stress max temp of 77c-82c this is with ambient temp of only 22c using an H70. It may be something to do with the radiator fans being the only exhaust in the case but nothing I can do about it in the SilverStone Fortress case.

IMO I would bump the vcore to maybe 1.275v to ensure absolutely no instability over the years of use and if the room temp is due to get cooler anyway.

Try a run of LinX (very high stress with 25-30 runs) as 1-2 hours is meant to be equal to about 12-24 hours of prime95 (saves you hanging around for days testing each new setting you use), then run prime last.

Just noticed your QPI/Dram volts is at 1.20v, for me I need mine at 1.35v when my ram is running at 1600mhz or I BSOD. The faster my ram runs the more qpi/dram volts I need to stabilize the IMC.

Great temps tho for 4ghz especially with those ambients, so jealous
I'm trying 1.25625v right now, and I'll run linux because I have about 1-2 hours til I move my computer. Saw you have the same ram, so I popped mine up to 1.35v as well. I noticed in X.M.P. it pushes QPI/DRAM up to 1.40, having such a low QPI/DRAM could be my problem after all.
post #33 of 42
Quote:
Originally Posted by meeps View Post
The logging is just to cover bases and know all angles . I'm moving my computer further away from me today so I probably will be ramping up all my fan speeds as well.
Thats good!


Quote:
I'm trying 1.25625v right now, and I'll run linux because I have about 1-2 hours til I move my computer. Saw you have the same ram, so I popped mine up to 1.35v as well. I noticed in X.M.P. it pushes QPI/DRAM up to 1.40, having such a low QPI/DRAM could be my problem after all.
1.25625vcore should be plenty.
& if your QPI/DRAM voltage was at 1.40v
and your actually dropping it to 1.35v
You could be causing a problem.

Or was it lower and your increasing it to 1.35v???

IMO, all you needed was a very small vcore tweak, and the other 3 tweaks I had previously mentioned.

You should be good to go!
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post #34 of 42
Thread Starter 
Quote:
Originally Posted by Inteller View Post
1.25625vcore should be plenty.
& if your QPI/DRAM voltage was at 1.40v
and your actually dropping it to 1.35v
You could be causing a problem.

Or was it lower and your increasing it to 1.35v???
My QPI/DRAM was at 1.20v. But when I enabled X.M.P. which I used in the past to get the 1600hz from my ram, it sets it to 1.40v. So it's an increase from what I've been using during the OC, but a .05 decrease from what my ram runs in X.M.P.
post #35 of 42
Ok, just checking! Nice job, and I'm sure your gonna be stable at a good temp!
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post #36 of 42
Thread Starter 
Ran 30 runs of linX, no bsod, might try it with 1.25v . Although in this new room temps are much happier. I'll update later.
post #37 of 42
So what are you doing???
Are you just keep running stress tests with your computer?
Your done!

Good job, now play around with it, and quit running stress tests!
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post #38 of 42
Thread Starter 
Quote:
Originally Posted by Inteller View Post
So what are you doing???
Are you just keep running stress tests with your computer?
Your done!

Good job, now play around with it, and quit running stress tests!
Valid, especially with my room ambients now being around 25C without AC running, moved to a room on the first floor of my house + it's on the west instead of the east (no more sun heating my room up early and throughout the day). I'm going to at least start a prime95 blend and check it after work just to see what a 12hour stint will unveil.
post #39 of 42
You should not need to, unless you have exhausted other possibilities:

- Increase any PCI-E, IOH, or ICH voltages above stock
- Increase CPU PLL.
- Apply any clock skews
- Increase any clock drive strengths/differential amplitudes
- Use LLC at the voltages and clocks you are trying to achieve


I would focus on:

- vcore
- qpi/vtt
- memory sub timings
- increasing uclock, if possible
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post #40 of 42
Thread Starter 
Quote:
Originally Posted by Blameless View Post
You should not need to, unless you have exhausted other possibilities:

- Increase any PCI-E, IOH, or ICH voltages above stock
- Increase CPU PLL.
- Apply any clock skews
- Increase any clock drive strengths/differential amplitudes
- Use LLC at the voltages and clocks you are trying to achieve


I would focus on:

- vcore
- qpi/vtt
- memory sub timings
- increasing uclock, if possible
Not going to lie, I'm slightly confused with your post aha. I can't figure out what you're trying to say. Could you possibly clarify? I'm about to go check on the prime95 blend in a half hour.
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