for me the issue came before vista loaded
while the system read all 4 gigs of ram
the Bios was preset Factory NOT to show it all
I would bet dollars to donuts this is common

I am not an expert ( but I read many posts & then did this )
& the issues was fixed 1st try... !! : ' )

enter Bios
Advance chipset features
memory hole for PCI MMIO
enable feature!

this feature is to remap to address above 4G of ram

its all there now! from 3070 to 4gigs plus!

if your bios does not support this remapping function
I would hate to think you might need to get a more recent version
and flash your bios?? I hate flashing nios it always makes me nervous

"David" wrote:

> I just recently built a new machine with the latest components and installed
> Vista Ultimate 32 bit edition on it. I have 4 Gb of RAM in the machine, but
> Vista only displays 3.325 Gb of it. I have read that I can do a boot.ini
> "hack" with /PAE to enable it to read all 4Gb but wanted to know a few things.
>
> I am a gamer and really wanted the ram for this purpose. When playing
> games, does it matter what the OS sees as usable RAM, or does the game use
> all 4Gb that I have installed.
>
> I also read that if I installed the 64 bit edition, Windows would recognize
> all 4Gb. My only concern there is with driver issues and some software. Any
> suggestions or answers would be greatly appreciated.
>
> Thank you,
> David