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RAM and Power Supply Support Support forum for memory and power supplies; Kingston, Corsair, PNY

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Old 01-23-2009, 08:02 AM   #1 (permalink)
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OS: Windows XP x64


Weird RAM Recognition

I just bought 4 GB of RAM to replace the 2 GB I had. (this specifically http://www.newegg.com/Product/Produc...82E16820227334)

I installed the RAM, Windows booted fine, but what's weird is that when I run dxdiag it only detects 3 GB. Meanwhile, CPUZ detects all 4. Any ideas what the problem might be?

I have an ASUS P5B Deluxe Mobo, GeForce 7950 GT 512 MB, a Thermaltake Toughpower 600W PSU, and an Intel C2D E6700.

Thanks for any help!
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Old 01-23-2009, 03:09 PM   #2 (permalink)
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Re: Weird RAM Recognition

I didn't know how to edit the post. SORRY!
Just wanted to add that I do indeed have Windows XP Pro x64 so that isn't the issue.
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Old 01-24-2009, 01:46 AM   #3 (permalink)
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Re: Weird RAM Recognition

I have the same problem..I posted it here

http://www.techsupportforum.com/hard...-3071-***.html
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Old 01-24-2009, 05:24 AM   #4 (permalink)
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Re: Weird RAM Recognition

No, your issue is that you have a 32 bit OS which is limited to at MOST in the best of cases, 3.75 GB of RAM. A 64-bit OS which I have, theoretically can support 128 GB of RAM.
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Old 01-24-2009, 05:46 AM   #5 (permalink)
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Re: Weird RAM Recognition

Just tried using the memory remap feature in my bios.
The bios detected all 4 GB!
But...the OS detected 2GB!!!
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