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Why doesn't Windows XP recognize memory?

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by dgill1

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I have 4 1 GB memory cards (all 800 MHz) for a total of 4 GB, but the system thinks there is only 2.25 GB. I've set the 3GB switch too. It's interesting that the boot settings show the memory clock speed at 675 MHz too.

MSI P6N Platinum NVIDIA nForce 650i SLI Motherboard

Does anyone know why?

2 replies

by mayhem1969

won't show 4gb, although windows claims it supports up to 4gb. The most it will usually show is 3. The remainder may be used by your video card or other device pulling RAM from the MB.

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