On Sun, 29 Jul 2007 23:21:40 GMT, Joe wrote:
>
>A friend has 3 Gigs of ram in his pc, but I don't think that Vista can
>actually use it all....'am I right?
>Isn't 2 Gigs the maximum?
4GB is okay,
http://support.microsoft.com/kb/929605
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
<snip>
For example, the System Information dialog box may report 3,120
megabytes (MB) of system memory on a computer that has 4 GB of memory
installed (4,096 MB).
<snip>
For Windows Vista to use all 4 GB of memory on a computer that has 4 GB
of memory installed, the computer must meet the following requirements:
The chipset must support at least 8 GB of address space. Chipsets that
have this capability include the following:
<snip>
As mentioned in another post the slack is memory mapping and I/O.
Read the rest of the article yourself.
Vista 64-bit
http://www.microsoft.com/windows/pro...ons/64bit.mspx
Home Basic 8 GB
Home Premium 16 GB
Ultimate 128+ GB
Business 128+ GB
Enterprise 128+ GB
Me