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Corsair XMS3 4gb 1333 works, XMS3 8gb 1333 doesn't


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I've been using the TW3X4G1333C9A ram in my system with no problems. I purchased the CMX8GX3M2A1333c9 ram and get a CMOS: bad checksum error. Memtest comes through clean. Could the ram be bad or do I need to setup timing manually? Any advice on timing?


Thanks all.

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Did you try and test them one module at a time to be sure one is not failing?

And when you installed the modules did you go to BIOS setup and load setup defaults then set the tested setting of the new modules?

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