troubleshooting Question

XP Pro 64Bit only sees 3.54GB of 4GB RAM installed

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wukovitsFlag for United States of America asked on
Windows XPComponents
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I have a Desktop with XP Pro 64bit installed.  I have 4GB Corsair RAM on an ASUS A8N32-SLI Deluxe motherboard.  I also have 2 Geforce 7900 512MB graphics cards in SLI mode along with an Aegis PhysX PCI card.  For some reason I only see 3.54GB RAM in System Properties.  I've already turned on the memory hole option in the BIOS after reading on the Asus site and turned my virtual memory off.  How can I see the whole 4GB of RAM?

I've read in the forums regarding this issue and most of the topics refer to 32bit XP.  Almost every answer refers to upgrading to 64bit, but here I have it already installed and yet I don't see all of my RAM.


I look forward to whatever assistance anyone can provide.

Vic Wukovits
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