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Bought DDR3 1600mhz, running at 1333mhz??? - Page 2

post #11 of 15
Quote:
Originally Posted by SpitfirePilot View Post

Thanks I was looking through the manual right now for mobo and found the Ai Tweaker, but nothing about XMP. I'll check the youtube vid.
All modern motherboards should have a setting called XMP.
post #12 of 15

You dont buy 800mhz memory. DDR3 will always be 667mhz (1.33ghz) by default. When a company claim that they are selling 800mhz (or faster) memory, they are only selling you binned 667mhz chips that are guaranteed to be stable at the specified speed.

 

 

Now if you want to reach said speed you need to manually overclock it, which is fairly easy to do.

post #13 of 15
Thread Starter 
I followed the youtube vide. Although I have a different cpu a i5 3570k, and the p877-I Deluxe mobo.

I enabled XMP, and set the ram frequency back to auto, saved and rebooted. After reboot my ram went back to 1333Mhz?? I checked the XMP profile and it says "DDR3 1600Mhz", but it reverted my ram back down to 1333.

So what I did was leave XMP on, selected RAM Frequency and changed it to 1600Mhz, rebooted and now its saying 1600 again and xmp is still on. Now that I manually changed Frequency again is XMP still doing its job?
post #14 of 15
Thread Starter 
Anyone have an answer regarding my last question? XMP is still on, but it didn't automatically set my ram to 1600mhz. So I set RAM Frequency and changed it to 1600Mhz, rebooted and now its saying 1600 again and xmp is still on. Now that I manually changed Frequency again is XMP still doing its job?
post #15 of 15
First download the latest BIOS from ASUS website, if you haven't already. Once you have entered the BIOS and set it to XMP and desired profile, you don't have to change anything else. Save these settings and reboot.

The way to check your RAM speed in windows is to download CPU-Z, open it, Memory tab > Timings > DRAM Frequency. If it is running 1600Mhz like you want it to, it will show as 800Mzh. 1333Mhz will show as 666Mhz or 667Mhz.

Here is an example.


Edited by 54M54R4 - 8/20/13 at 8:59pm
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