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post #1281 of 5036
Quote:
Originally Posted by Psycho666 View Post
i didn't wanna "waste" time with testing each component
i just set it at 4Ghz and started with tweaking voltages.
worked flawless...
but now i'm at 4.2Ghz and my voltages are:
cpu = 1.525v
cpu/nb = 1.3v
nb = 1.35v
ht = 1.3v

this is all with 2400Mhz HT and 3000Mhz NB
i don't know which voltage can go a little higher
I'd say you are pretty close to the limit. I ran that exact overclock for a little while. I haven't been able to get it prime stable higher than 4242MHz no matter what I adjust...4251MHz went 4 hours, but that's not good enough.

EDIT: you better leave the NB voltage on auto with 3GHz. I tried setting it to 1.45v and prime froze everything up. To go any higher with the cpu it requires an unsafe amount of voltage. In fact if you have it set to 1.52v now and LLC is enabled, which it is by default, then it's hitting 1.57-58v when stress testing. And that's too much for 24/7 use.
Edited by ny_driver - 7/25/10 at 5:47pm
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post #1282 of 5036
Quote:
Originally Posted by ny_driver View Post
I'd say you are pretty close to the limit. I ran that exact overclock for a little while. I haven't been able to get it prime stable higher than 4242MHz no matter what I adjust...4251MHz went 4 hours, but that's not good enough.

EDIT: you better leave the NB voltage on auto with 3GHz. I tried setting it to 1.45v and prime froze everything up. To go any higher with the cpu it requires an unsafe amount of voltage. In fact if you have it set to 1.52v now and LLC is enabled, which it is by default, then it's hitting 1.57-58v when stress testing. And that's too much for 24/7 use.
Nah, he can go ahead and tweak the NB/CPU voltage. Leaving voltages on AUTO causes them to fluctuate, and that is what could be causing your Lockups.

I say bump up your NB/CPU vcore a notch or two and test from there.
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post #1283 of 5036
My cpu/nb likes 1.50-1.53v when left on auto. That much fluctuation is ok with me. My vcore fluctuates between 1.45-1.47 under normal use and up to 1.50 under stress @ 4GHz. Everything else fluctuates very little on this motherboard.

I am quite certain that setting the NB voltage too low caused the lockup. 1.45v-NB is too low for 3.2Ghz apparently.
Edited by ny_driver - 7/25/10 at 6:36pm
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post #1284 of 5036
Quote:
Originally Posted by ny_driver View Post
My cpu/nb likes 1.50-1.53v when left on auto. That much fluctuation is ok with me. My vcore fluctuates between 1.45-1.47 under normal use and up to 1.50 under stress @ 4GHz. Everything else fluctuates very little on this motherboard.

I am quite certain that setting the NB voltage too low caused the lockup. 1.45v-NB is too low for 3.2Ghz apparently.
You'd be better off to invest in some blocks for your motherboard, and get that stable with lower voltage. That motherboard is capable of some serious clocks, but heat is gonna kill it
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post #1285 of 5036
What are you talking about? My temperatures are great. NB idle @ 32c now(never even seen 50c), CPU @ 17c, MB @ 22c....nothing ever gets hot.

I'm investing in a chest freezer w/ an extended warranty to set my system on and stick the radiator inside with blocks of ice. I might get the board block since I'll be running the A/C less with my new freezer installed.
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post #1286 of 5036
Quote:
Originally Posted by ny_driver View Post
What are you talking about? My temperatures are great. NB idle @ 32c now(never even seen 50c), CPU @ 17c, MB @ 22c....nothing ever gets hot.

I'm investing in a chest freezer w/ an extended warranty to set my system on and stick the radiator inside with blocks of ice. I might get the board block since I'll be running the A/C less with my new freezer installed.
Where do you live to be having temps that low? Norway!?
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post #1287 of 5036
naww..I just run the A/C...look at my profile pic and picture that radiator on top of the cooler in front of the A/C.

EDIT: I'm going to attach the system right to the top of the freezer and drill two holes in the back for my hoses. HAHAHAHA...and when/if the freezer does die I'll get a new one under warranty. I think if I fill it with gallon jugs of ice and shut down at night it will last a long time.
Edited by ny_driver - 7/25/10 at 7:30pm
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post #1288 of 5036
Well fella's, I'm not 100% sure completely but I'd say I'm currently set and done testing with these results:

CPU 3750@12.5x300
CPU/NB @ 2700
HT @ 2100
RAM @ 1600 7-6-6-24-24

3.7+ on my board requires 1.4875 just to load Windows properly, it droops to 1.42 or slightly lower on full load. But temps are good here, speed is excellent, benchmarks are good. No complaints!

Will see about 3.9+ in another couple of runs.
    
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post #1289 of 5036
Quote:
Originally Posted by ny_driver View Post
naww..I just run the A/C...look at my profile pic and picture that radiator on top of the cooler in front of the A/C.
Ahhhhh... Cool! Way to impractical for me, but function-able!
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post #1290 of 5036
Quote:
Originally Posted by GanjaSMK View Post
Well fella's, I'm not 100% sure completely but I'd say I'm currently set and done testing with these results:

CPU 3750@12.5x300
CPU/NB @ 2700
HT @ 2100
RAM @ 1600 7-6-6-24-24

3.7+ on my board requires 1.4875 just to load Windows properly, it droops to 1.42 or slightly lower on full load. But temps are good here, speed is excellent, benchmarks are good. No complaints!

Will see about 3.9+ in another couple of runs.
Whooohooo the 12.5 multiplier club! Did you try 3GHz on the NB?
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