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Unable to OC ram from 1333 Mhz to 1600 MHz on Asus Z97i MB

Tags:
  • Asus
  • BIOS
  • RAM
  • Corsair
  • Memory
Last response: in Memory
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August 16, 2014 11:44:41 AM

I have 2 x 4GB of Corsair (CML4GX3M1A1699C9).

I entered the BIOS and set the profile to XMP. Which resulted in the following screen in the bios:



On restarting the BIOS displayed the ram speed as 1600 Mhz on the bootup screen and when I checked the SPD information in the BIOS this seemed to agree.



So far so good!

But CPU-Z does not agree and in fact only displayed the RAM size.



And nothing on the SPD tab:



NB. The screenshots taken from CPU-Z were the same before and after attempting to increase the RAM speed which raised my concerns so any advice on that front would be appreciated.

I have checked with both sticks of ram and with a pair of 8GB Corsair (CML16GX3M2A1600C10) and witnessed the same behaviour.

So to double check I also ran AIDA64:



I updated the BIOS from v3.2 to v3.27 (not quite the latest just to see if this could be the problem) but same result. I also have v4.08 so could try that as well. But surely a simple overclocking such as this should work in the earlier versions of the BIOS?

Please help!


More about : unable ram 1333 mhz 1600 mhz asus z97i

a b Ĉ ASUS
a b } Memory
August 16, 2014 11:53:52 AM

Enabling XMP has set the memory to the advertised speeds & timings. CPUZ is not always accurate, for one. Make sure you have the latest CPUZ version and are running it on an administrator account.
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a c 985 Ĉ ASUS
a c 2285 } Memory
August 16, 2014 6:57:08 PM

Think it's your version of CPU-Z that's 1.61 and think 1.69 is current, it may not be able to read your sticks
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August 29, 2014 3:18:04 AM

Thanks to both of you for your help. It was indeed down to the version of CPU-Z.
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a c 985 Ĉ ASUS
a c 2285 } Memory
August 29, 2014 9:46:04 AM

Glad to hear all is well ;) 
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