Computer Memory Question

[Lamron]

I can't seem to figure this out and can't find a straight answer through Google.

I know that 32bit Windows can only address 4 GB, and that devices with on-board memory steal memory address from the total. I just installed 4 GB in my computer. My video card uses 768 MB, so I expected to see a little more than 3 GB usable. But I'm only geting 2.75 GB usable. Where did the other 768 MG disappear to? Is it really being used by something, or is it mistakenly alocating those address for something that doesn't exist (empty SLI video slot?) ?

Is there a solution, without changing to a 64bit OS ?

[Urumii-Previously ThePresident]

Have you looked in your BIOS yet? Sometimes the BIOS will allocate a certain about of Video Memory to be taken from Physical Memory, and that allocated memory won't show up in the OS. That happened to me awhile ago, and I couldn't figure out why I was missing memory. If that is not the issue, I can try searching around a little.

EDIT: Does the BIOS even show the correct amount of memory you should have, may just be a bad stick and only some sectors are working.

[Lamron]

BIOS shows the full 4 GB and doesn't have an allocation for video memory.

[Major_A]

I have purchased bad memory before, this might be possible.

Try each chip separately.

I have 2 gig of ram, and video card has 512. And the system icon in the control panel on the General tab says I have 2.00 GB of ram. are you reading that or the bootup mem seek.

If the memory isn't bad, there are little utils on the net that can account your total memory you actually have.
Also alt, ctrl, del task manager, performance tab gives total memory also