The system memory that is reported in the System Information dialog box in
Windows Vista is less than you expect if 4 GB of RAM is installed:
http://support.microsoft.com/kb/929605/en-us
Understanding Address Spaces and the 4GB Limit - [H]ard|Forum:
http://www.hardforum.com/showthread.php?t=1035670
--
Andre
Blog:
http://adacosta.spaces.live.com
My Vista Quickstart Guide:
http://adacosta.spaces.live.com/blog...3DB!9709.entry
"Jay Cee" <jay---> wrote in message
news:%23hTcTZ$...
>I just bought a new Vista Ultimate HP desktop PC (HP a6385l). Upgraded RAM
>from 2 to 4GB (there are four slots) but Vista shows only 3GB. Took the PC
>back to the dealer where they tried all permutations possible (one by one,
>two by two, three, four, etc) of the 4 memory sticks, including putting
>new, other brand ones. To no avail. Is this a Vista bug? Is the PC
>defective? I called HP Customer Service but they offered no help. It's on a
>one-year HP warranty so I intend to try again though I fear HP will blame
>Vista and vice-versa (the PC is sold blank of O/S, Vista is bought
>separately). Vista and the additional 2GB RAM where installed at the dealer
>but the PC was delivered home where I only found out about the problem.
>And, yes, the four 1GB RAM show up in the basic equipment list on the black
>screen (they showed it to me, I don't know how to summon it). Any comments?