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ASUS P7P55D LE and CMX4GX3M2A1600C9


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I have an odd problem with this memory configuration. My system specs are.



2x2gb CMX4GX3M2A1600C9 i5 kit


ati 4870

windows 7 64bit


I built this system, got it all installed and then went into system in windows 7. It was showing 1.99gb usable out of 4.00gb total. However, when I allow the machine (specifically the memory modules) to cool off the whole 4.00gb is usable. After use it heats up again and a reboot will knock it back down to 2gb usable.

I'm very confused whats causing this, does anyone have any solutions/ideas what the problem is?


I have the latest BIOS and the memory voltage and timings are set correctly.

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