ASUS P8Z68 Overclock

Cyanide89

New member
I can't figure out how to change the CPU multiplier on the P8Z68-V Pro. Are there any guides? I've googles this and found nothing.

Any help would be much appreciated.
 
Hi,

*removed*

Sorry about that admin/moderators, I didn't know we weren't allowed posting links to guides.

Anyway back to the topic. If you are on the AI Tweaker page where it says AI overclock tuner - change it to manual and the turbo ratio should be "by all cores".
 
I can't figure out how to change the CPU multiplier on the P8Z68-V Pro. Are there any guides? I've googles this and found nothing.

Any help would be much appreciated.

It's in the BIOS under CPU Ratio. Are you sure you Googled the right thing? try something like "1155 overclocking guide"
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All you need to do really though is change the CPU ratio to 45 (if you are aiming for a 4.5ghz OC) and then find a stable voltage, start at say 1.25v and go up from there until you can run stable.
 
I figured out the ratio part; however, I can't get the settings to stay. Even after I save and reboot.

Also, how high can I set the multiplier before adjusting voltages?
 
I had the problem of the settings reverting back, all I did was click on another option and then go back to the AI Tweaker page and check if the settings were the same. If they were I restarted the system and they would stay that way. Don't start with a high multiplier, slowly work towards it. E.g. start with 4 GHz and use a voltage of say 1.18V and stress test it using prime95 for at least an hour/half hour to check its stability/temperatures. If the stability and temps are fine, then increment the multiplier to 43 or above and up the voltage to say 1.25V, if it's stable, then lower the voltage by 0.01 and check the stability again. Keep doing this until you have a sweet voltage spot. If you get a blue screen or the prime95 test stops, then you have to up the voltage until you have a stable overclock. It is a lengthy process, but it has to be done to ensure you have no problems in the future.
 
I don't understand why people say start off with a lower clock and work your way up, go for the clock you want just start at 1.25v and go up by 0.0050v at a time. So, if 1.25 does not work try 1.2550 and if that doesn't work try 1.26v then 1.2650, 1.27v and so on till you find a stable voltage.

It all depends on how good your chip is some people can do 4.5ghz on 1.25 others it takes up to 1.35v.
 
I don't understand why people say start off with a lower clock and work your way up, go for the clock you want just start at 1.25v and go up by 0.0050v at a time. So, if 1.25 does not work try 1.2550 and if that doesn't work try 1.26v then 1.2650, 1.27v and so on till you find a stable voltage.

It all depends on how good your chip is some people can do 4.5ghz on 1.25 others it takes up to 1.35v.

I'm new to overclocking and that's how I did it, lol. If I think about it, it was a waste of time and I should have started with the clock I wanted and worked from there
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I'm new to overclocking and that's how I did it, lol. If I think about it, it was a waste of time and I should have started with the clock I wanted and worked from there
smile.gif
.

I have notice at lot of people saying it, I just find it strange starting lower and working your way up instead of just going strait for the clock you want. It's good if you are learning though I suppose as it get you used to trying different voltages, still it is best to just go strait for the clock you want.
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Hi Cyanide89,

I have the same kit as you. Which cooler are you using, what have you OC'd to and what are your settings??

J
 
Using the Corsair H100.

Had it up to 5.0Ghz at 1.38v... seemed relatively stable but ran around 70 degrees on load. Don't know if that's too hot but I'm still messing around with it and running PrIme95 tests to be sure.

Also, my room is very cold... might help a bit.
 
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