NForce 650i Giving Me Memory Headaches

wotan2525

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May 20, 2009
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I'm running a ABIT Fatal1ty FP-IN9 SLI motherboard. The problem is that if I put memory in 3 slots (any configuration) Windows won't start. It simply shows the Starting Windows screen and then reboots. (All sticks have passed memtest86+ individually and I've also tested slots 1/3 and 2/4 being filled.)

If I put memory in 4 slots the system won't boot. I just get a very loud beep that lasts until I restart. Again... this happens if I put in 4x2gb or 4x1gb or a mixture of the two.

I've tried increase the voltage.... went all the way to 2.20 and did not notice a difference.

BIOS has been upgraded to the latest.

Any ideas?