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Overclocking an i5 750

post #1 of 11
Thread Starter 
So my friend finally got an aftermath heatsink (Xigamatek Dark Knight w/ 1156 adapter) and it's time to OC it

I've overclock a Q6600 and an i7 920. How different is this from it? What are the usual OC's to it? Tips? Details? Stories?

Thanks

Edit: ASRock VDrop Control is set to "With VDrop" should that be changed?
Edited by Z Overlord - 12/27/10 at 4:46am
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post #2 of 11
Its very similar to your i7...

CPU Core & CPU Vtt voltages need to be raised accordingly, change base clock and stress test..
Ram deviders are 2:6 - 2:8 - 2:10, use the one you need...

Intel absolute maximum is 1.40v on both the cpu & vtt..

Keep vtt within .050v of the ram, IE if ram is at 1.65v keep vtt no lower than 1.150v, although you will need in the 1.25 - 1.35 range for 4.0 depending on the cpu...


the rest is the same.. C1E, EIST, Speedstep, Turbo Mode all should be disabled....
Stress test between bios changes...
max safe temp is 72c
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post #3 of 11
Thread Starter 
+rep

btw, what about this setting:

ASRock VDrop Control is set to "With VDrop" should that be changed?

Off right?
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post #4 of 11
Quote:
Originally Posted by Z Overlord View Post
+rep

btw, what about this setting:

ASRock VDrop Control is set to "With VDrop" should that be changed?

Off right?
I guess this is your mobo's version of turning LLC on or off. I have LLC on when overclocking, it helps keep my overclocks stable. So if you want LLC on turn VDrop off.
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post #5 of 11
Thread Starter 
Quote:
Originally Posted by kschat View Post
I guess this is your mobo's version of turning LLC on or off. I have LLC on when overclocking, it helps keep my overclocks stable. So if you want LLC on turn VDrop off.
It helps you?! For my i7, LLC was evil and is often said to be turned off when OCing.
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post #6 of 11
Without Vdrop
With Vdrop

Pretty self explanatory really... If you run it "With Vdrop" then you will have to have the bios/idle voltage higher so its stable at load when the vlotage drops...
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post #7 of 11
Quote:
Originally Posted by Z Overlord View Post
It helps you?! For my i7, LLC was evil and is often said to be turned off when OCing.
If you use it correctly and have your volts low enough its harmless. LLC just ups the volts a bit when it starts to droop. Aslong as your volts dont exceed intel's recommended voltage limit you'll be fine.
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post #8 of 11
Thread Starter 
Should Intel Virtualization be off too? Something about VMM.
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post #9 of 11
Quote:
Originally Posted by Z Overlord View Post
Should Intel Virtualization be off too? Something about VMM.
I'm just going to post this here so everyone can see. VMM or Intel Virtualization allows you to run virtual machines and a feature in windows 7 called XP mode. XP mode allows you to run XP applications on Windows 7 like they were native Windows 7 applications. Leave this on, it doesn't effect overclocking.
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CORSAIR HX 750W Cooler Master HAF 922 
CPUMotherboardGraphicsRAM
Core 2 Duo 2.4Ghz Penryn T8300 Some logical board GMA X3100 4GB (2x2GB) DDR2 667Mhz 
Hard DriveOptical DriveOSMonitor
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post #10 of 11
Thread Starter 
Ok I stress tested it using LinX set to run 50 times and it failed. It got to 29.

Some people say if it passes 20 it's stable, and that 50 is overkill. So far all I've been doing is increasing the bclk. The frequency is 3.6GHz.

EDit: Just noticed an "EZ OC" option, and one of the frequencies it lets you choose is the 3.7. and another is 4.0GHz!

Should I use this >_>?
Edited by Z Overlord - 1/4/11 at 2:03pm
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