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990x 4.6 Ghz 1.368 - 1.376 Vcore - Page 3

post #21 of 81
Thread Starter 
ok sweet, What if I want to go to sleep and theres an error while Im sleeping will it keep applying 100% load or will it eventually shut off? Getting tired probably gonna pass out soon.
post #22 of 81
Quote:
Originally Posted by Nyghtryder_9 View Post

Ya ram volts are fine. I run mine at 1.65v with ram at 1964mhz. Run prime for at least 12hrs and if you don't have any errors then up your ram frequently then re run. Then once your stable you can start lowering voltages to get the lowest stable.
sent from galaxy II

This. 12 hours on p95 at least. That should give you a good idea on stability. 4.5GHz is a nice OC for a 990x. Could be slightly better but only up to 4.6/4.7 for a 24/7 stable. That's pretty much what you're gonna have. Good job with the OC. If you have any questions about the 990x and OCing it I can help. Just shoot me a PM or ask on here. I love mine to death. Good luck with the RAM too.

Quote:
Originally Posted by WildBill View Post

ok sweet, What if I want to go to sleep and theres an error while Im sleeping will it keep applying 100% load or will it eventually shut off? Getting tired probably gonna pass out soon.

It'll shut off if it gets unstable.
post #23 of 81
Thread Starter 
lol nm just saw your reply to my question
Edited by WildBill - 1/25/12 at 9:14pm
post #24 of 81
Thread Starter 
ah accidentally replied was trying to edit, I did'nt read your reply to the question about program terminating after an error till I posted. Thanks a lot for your help everyone.
post #25 of 81
Thread Starter 
I just noticed something strange. When I set the CPU voltage manually in BIOS or set it to Auto my voltage fluctuates... it does this in BIOS and in CPUID. it does it in Prime95 or Idle example at 133.5 with a 34 multiplier it changes to these exact numbers in this sequence 1.349 - 1.343 - 1.356 idle state.

Is that normal?
Is this some type of setting that needs to be off ?

I ended up stopping the prime 95 even though there were no errors just to be safe. I can run it tomorrow anyway.
Edited by WildBill - 1/25/12 at 10:45pm
post #26 of 81
Quote:
Originally Posted by WildBill View Post

I just noticed something strange. When I set the CPU voltage manually in BIOS or set it to Auto my voltage fluctuates... it does this in BIOS and in CPUID. it does it in Prime95 or Idle example at 133.5 with a 34 multiplier it goes from 1.343 - 1.349 - 1.356 idle state.
Is that normal?
Is this some type of setting that needs to be off ?
I ended up stopping the prime 95 even though there were no errors just to be safe. I can run it tomorrow anyway.

Thats normal. If you have voltage on auto in bios it will fluctuate.
Even if you have it manually set it will fluctuate a bit.
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post #27 of 81
Thread Starter 
Someone commented earlier not to go past 1.350 so if I set it in BIOS to 1.343 and it fluctuates to 1.356 is that a problem? How do you find your lowest voltages if they are changing on you? I would assume changing the multiplier higher and lets say setting the voltage to 1.350 it will probably fluctuate to 1.370.

I must be missing something or I'm getting tired lol
Edited by WildBill - 1/25/12 at 10:55pm
post #28 of 81
It's fluctuating partly from LLC, personally I've always just left it auto. Your ram should run at it's rated speed without having to worry about it but you can run it lower til you get your cpu stable. I use IBT to make quick adjustments, it will push your temps higher then prime but I use it as a final check not to tweak with. I also use folding smp as a stability test because I've passed 12 hours prime and failed work units folding so it's not a good idea to use just one program, IBT and prime both have their advantages. For example you may be able to lower your PLL all the way down to 1.3/1.4 so why run it at 1.8v if it's not necessary? That's just how you wanna look at all the voltages that you are adjusting. Depending on how you have your settings though your pc could blue screen and hang at 100% load with prime so make sure you don't have automatic restart on error disabled. Looks like you got some help though from some peeps with similar setup so you should be getting there now smile.gif


edit: Don't forget to go into your OCN profile and update your system specs.
post #29 of 81
Quote:
Originally Posted by WildBill View Post

Someone commented earlier not to go past 1.350 so if I set it in BIOS to 1.343 and it fluctuates to 1.356 is that a problem? How do you find your lowest voltages if they are changing on you? I would assume changing the multiplier higher and lets say setting the voltage to 1.350 it will probably fluctuate to 1.370.
I must be missing something or I'm getting tired lol

Totally normal. Good lucky with your OC Bill, I've got a chip that's similar to yours and with mine, once I get past 4.2ghz, there's a big increase in vcore/temps so I left mine where it's at. Take the time to do your OC right, and generally you'll never have to question it down the road. Meaning, if your rig f's up, you can know pretty well that it's not your OC.
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post #30 of 81
Thread Starter 
Ok Thanks

Whats the max voltage I can go on the cpu to not have to worry about causing damage? I'll be running the sytem for lets say sometimes 6-10 hours straight on Battlefield 3 or later DIablo 3 when it comes out. My Temperatures are fine.
Edited by WildBill - 1/25/12 at 11:08pm
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