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Memory frequency: Confused


palosanto

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Hi,

This is my first attempt to o'clock my i7 4770K machine.

My MoBo is  an Asus Z87M-Plus

When I read the different BIOS screens, the memory reads as "Memory Frequency 1800 MHz" in the one screen and "1333" MHz in another.

(see screenshots)

My actual installed RAM is

(4 x 8Gb) Corsair Vengeance Pro DDR3 1866 MHz CL9 Dual Channel

 

Why is it listed differently than what I actually bought ?

What Frequency am I supposed to use in the overclocking operations , 1333, 1800 or 1866 ?

 

Thanks in advance

 

https://dl.dropboxusercontent.com/u/80779383/Bios1.jpg

 

https://dl.dropboxusercontent.com/u/80779383/Bios2.jpg

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Try turning on the XMP profile and see if that resolved it . Its the easy button.

 

What it looks like is the Actual value is at default (1333) and the system understands that its (1866) and is not running it at that. 

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