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Why does installing NVidia 9600GT graphics card, take 1GB of RAM away from Windows?

Fresh5 days ago
Mar 15, 20265517 views
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Problem

I've changed graphics cards in my PC and now Windows 7 (32bit) is reporting that I have a whole gigabyte less physical RAM in my PC. Why is this? Firstly, the machine has 4GB of physical RAM. The old card was an ATI 2600XT with 256MB and the new card is an NVidia 9600GT with 512MB. With the ATI car…

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Fix for: Why does installing NVidia 9600GT graphics card, take 1GB of RAM away from Windows?

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Because it (probably) has 1GB of video memory, which has to be taken out of the 32 bit Vista 4GB address space. 32 bit Windows has to share 4GB between physical memory and all of the memory mapped devices installed in the system. That's why you typi…

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