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Overclocking on the Maximus IV

post #1 of 6
Thread Starter 
So I am ready to make the jump and OC using this board using the stuff on my signature rig. I am currently 28c or so idle and 37 at load. My biggest question is about voltages. I understand that with Sandy Bridge I can just crank up the multiplier and fly. Is this the suggested way to do so? I am aiming for a 4.2 oc right now. Any help would be greatly appreciated.
post #2 of 6
If you going for 4.2 ghz, I would just use the built in OC Tuner ( overclock tuner ) ..
Its an option that can be found in your bios. Hit it, select ok.. Your PC will instantly reboot, and maybe 2 or 3 times. But when you come back on, youll be ~ 4.2-4.3 ghz.
( thats why my i5, and i7 came out at ) yours may vary.
post #3 of 6
Just set the multi to 42 in the EFI and incease CPU voltage a little. You most likely wont need more than 1.26v for a 4.2ghz OC.
MIVE
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k (4.7ghz at 1.33v) Asus Maximus IV Extreme MSI GTX 980 Ti 6G Gaming  16GB(4x4GB) G. Skil Sniper 
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Crucial M4 Asus dvd-rom (sata) Corsair H105 Windows 8.1 X64 
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MIVE
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k (4.7ghz at 1.33v) Asus Maximus IV Extreme MSI GTX 980 Ti 6G Gaming  16GB(4x4GB) G. Skil Sniper 
Hard DriveOptical DriveCoolingOS
Crucial M4 Asus dvd-rom (sata) Corsair H105 Windows 8.1 X64 
MonitorKeyboardPowerCase
Asus ROG Swift Filco Ninja OCZ ZX1000W Silverstone Raven RV02 
MouseMouse Pad
Cyborg RAT 7  Steel Series 
  hide details  
Reply
post #4 of 6
Thread Starter 
Quote:
Originally Posted by spacegoast View Post
Just set the multi to 42 in the EFI and incease CPU voltage a little. You most likely wont need more than 1.26v for a 4.2ghz OC.
Thanks, I originally used the auto tune method but all my core were running at x16. When I lowered the voltages to 1.26v it kicked up to the 42 multiplier I had set. I ran Prime95 for 1 hour. The temps on the cores were the following:

57c
60c
63c
60c

Are these good temperatures for that kind of OC for the type of cooler I have? Room temperature is 73 degrees Fahrenheit, 22.8 Celsius.

Thank you for any input.
post #5 of 6
Quote:
Originally Posted by DravenHavok View Post
Thanks, I originally used the auto tune method but all my core were running at x16. When I lowered the voltages to 1.26v it kicked up to the 42 multiplier I had set. I ran Prime95 for 1 hour. The temps on the cores were the following:

57c
60c
63c
60c

Are these good temperatures for that kind of OC for the type of cooler I have? Room temperature is 73 degrees Fahrenheit, 22.8 Celsius.

Thank you for any input.
That looks about right. I'm currently at 4.2 with ambient temps in the mid-80s and that's about what I see while priming. Not sure how your auto-tune works, but if your multi drops to 16 @ idle that's just speedstep. You can leave it on for lower voltages when you're idling, and when you start stressing the CPU it'll jump back up to 42.
post #6 of 6
Thread Starter 
Quote:
Originally Posted by flyingsaucers View Post
That looks about right. I'm currently at 4.2 with ambient temps in the mid-80s and that's about what I see while priming. Not sure how your auto-tune works, but if your multi drops to 16 @ idle that's just speedstep. You can leave it on for lower voltages when you're idling, and when you start stressing the CPU it'll jump back up to 42.
Well I decided to ditch the auto-tune idea. When I started priming, it was still at x16. So I went the other route. That's good to know the temps are acceptable. Thanks!
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