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XMS1024-3200C2PT and Asus A8V-VM


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I have four identical DIMM's, all XMS1024-3200C2PT. When I plug in any two, they are correctly detected as 2048 MB @ 400MHz. When a third DIMM is installed, the motherboard correctly detects 3072 MB, but only at 333 MHz. When a fourth is installed, the board only detects 3328 MB usable of 4096 MB installed, also at 333MHz.


Under BIOS MTRR is set to continuous, and I have manually set the memory to 200 MHz with timings of 2.5-3-3-6-2T, but on the memory set-up page it is still listed at 166 MHz!


These chips are not specifically listed on the main Corsair site as being compatible, though the TWINX2048-3200C2PT are . . . is it that these modules are not specifically tested for dual channel operation? Is there a work-around?


Updating the BIOS to the latest revision (0502) did not help.


Any help appreciated,


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That is normal and you would need to talk to ASUS about the bios settings not working, but depending on the CPU core you have DDR333 may be suggested and I would set the timings to Cas 2.5-3-3-7 at 2.8 Volts as well.
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