I have the UD5 board together with some Corsair Dominator DDR3 1600C8 memory, the 6 gb kit and a Core i7 920. When i try any overclock Windows will only see 4 gb of memory. I am using Windows Vista 64 Ultimate.
Even at default settings in the BIOS, 2.66 ghz @ auto volt and the mem @ DDr 1600 XMP the system will only see 4 gb.
I have to use lots of vcore to get to 3.8 with my i7 920. 1.46 in bios, QPI @ 1.400, DDR @ 1.680. I am using BIOS f4f. F3 doesnt help. The system is stable @ 3800 but with only 4 gb. Im thinking the mem controller of the i7 920 is crap.
Does somebody have a tip ?
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