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Anyone have a good OC confit for i7 990x and Rampage 2 extreme?

post #1 of 5
Thread Starter 
I tried some settings for 4.6 ghz and was running at 100' c!
post #2 of 5
Try 4.5 and lower volts?

100C is too high
post #3 of 5
100 degrees lol, bye bye cpu.

Instead of trying 4.5, you should start lower and work your way up.

Picking the highest OC you can find for your CPU on the web and just punching those numbers in is a bit risky, because there are quite a few variables, and you're going straight for the extreme.

Take the stock clock of the cpu, and try add 300-400mhz and maybe a slight voltage bump and increase from there (so maybe try 4.0 or 4.1ghz to start off with). That CPU won't last long if you're benching it at 100*C

You don't want to see temps higher than 80-85 degrees celcius during your stress tests if you are going to run that OC 24/7
Edited by spinFX - 8/17/16 at 10:44pm
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Ol'Faithful
(11 items)
 
  
CPUMotherboardGraphicsRAM
Intel Xeon x5660 P6X58D-E XFX AMD Radeon R9 280X Corsair Vengeance 24 GB Triple Chanel 6x4GB 
Optical DriveCoolingOSMonitor
Lite-On DVD-RW Noctua DH-14 CPU Cooler Windows 7 Pro x64 Samsung 24" LED 1080p 5ms DVI (S23A300B) 
PowerMouseAudio
Thermaltake Toughpower 750W Gold Corsair M95 Onboard :S 
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post #4 of 5
Thread Starter 
Quote:
Originally Posted by spinFX View Post

100 degrees lol, bye bye cpu.

Instead of trying 4.5, you should start lower and work your way up.

Picking the highest OC you can find for your CPU on the web and just punching those numbers in is a bit risky, because there are quite a few variables, and you're going straight for the extreme.

Take the stock clock of the cpu, and try add 300-400mhz and maybe a slight voltage bump and increase from there (so maybe try 4.0 or 4.1ghz to start off with). That CPU won't last long if you're benching it at 100*C

You don't want to see temps higher than 80-85 degrees celcius during your stress tests if you are going to run that OC 24/7

I have been told I should lower voltage to 1.4 and will try again tomorrow. My goal is no hotter than 85 during prime95...if anyone has any suggestions let me know
post #5 of 5
Thread Starter 
I achieved a stable overclock of 4.6GHz with a QPI of 200MHz and a 23x CPU multiplier.

To stabilise this overclock, I had to pump 1.412V through the CPU, 1.96V and 1.375V through the CPU PLL and QPI/DRAM voltages respectively and 1.3V and 1.2V to the IOH and ICH.

I also had to set the UCLK frequency to 3,208MHz and the QPI link frequency to 7,218MT/s.

Any suggestions on how to slowly take it up to 4.8? My temps right now are 79 or lower
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