Re: Asus M2A-VM: Would a dedicated video card be an improvement?
- From: glenzabr@xxxxxxxxxxxx (GMAN)
- Date: Thu, 26 Jun 2008 04:23:04 GMT
In article <lk3664ltn2nlnhteebnidk33fssc0mnvin@xxxxxxx>, Igor <someone@xxxxxxxxxxxxx> wrote:
On Thu, 26 Jun 2008 03:17:45 GMT, "Augustus" <no_one@xxxxxxxxxxxx>Not if your systems runs dual channel mode.
wrote:
It can access and use considerably more than 2 Gig of system memory for
running itself and apllications. Most users don't benefit from over 2Gig
system RAM with XP32 but there are exceptions, and what you want to do is
one of those exceptions. In terms of pure physical OS limitations, XP32 and
Vista32 reserve memory address space above 3.25Gig for physical mapping of
devices and the like (a 512Mb video card for example) and any RAM above the
3.2 Gig level is mapped by the OS and essentially unavailable for the OS to
load itself into and for programs to execute....however you still gain over
1Gig of usable RAM by going to 4Gig and when handling very large files in
video editing it really makes a noticeable difference. When the files you
are editing are in the multigigabyte size, having a full 3.2Gig of RAM
usable by the OS and the editing app is desirable.
Wouldn't 3 GB RAM be almost as good? If I understood your explanation
correctly, you're saying that anything over 3.2 GB will be wasted on
an XP32 system. It seems like a waste of money to install a 4th gig of
RAM just to get an extra 200 MB of useable memory.
.
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