Just put together a new system using an GA-X58A-UD3R motherboard with an i7 920. I'm using the stock cooler etc so don't plan to overclock initially. *BUT* when I boot its says my CPU is 2.00Ghz (133x15), why woudn't the motherboard recognize the CPU and default to 2.66Ghz?
Is this normal?
Also the memory is 1066 even though I bought CORSAIR XMS3 DDR3 1600 (Model TR3X6G1600C8 G).
CPUs have been doing this for more than a decade! When it's 'lightly loaded', i.e., essentially sitting there twiddling its thumbs, it 'down-volt's and 'down-clock's to save energy (negligible in desktops, but very important to notebooks)...
The relevant setting are:
On the " Advanced CPU Features" sub-page of the "MB Intelligent Tweaker(M.I.T.)" page of the BIOS -
"CPU Enhanced Halt (C1E)"
"C3/C6/C7 State Support"
"CPU EIST Function"
(page 41 of your manual...)
...all but "C3/C6/C7 State Support" are enabled, by default...