Why is windows 7 marking all my extra RAM as "hardware reserved"?

Posted by pinkmuppet on Super User See other posts from Super User or by pinkmuppet
Published on 2009-10-16T14:08:17Z Indexed on 2010/04/04 3:03 UTC
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ram

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windows-7

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64-bit

I have a new HP Z800 Workstation, running Windows 7 Enterprise 64 bit.

The machine has 4GB of RAM -- windows reported 1.99GB available, 2GB was "hardware reserved". I added another 2 GB and windows reports that there is 6GB of physical RAM, but now 4GB is "hardware reserved". The BIOS sees the full RAM amount as well.

The video card is an nVida Quadro FX 580, so it shouldn't be using any shared memory at all. whats going on?

Z800 Specs are here.

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