On Sun, 14 Oct 2001 12:59, [EMAIL PROTECTED] wrote:
> On Sun, 14 Oct 2001, Keith Whitwell wrote:
> > > Are you sure ? I am asking because there are newer cards with 64megs of
> > > RAM and they way AGP was marketed is to allow to extend the amount of
> > > offscreen memory..
> >
> > The agp aperture is implemented on the motherboard, nothing to do with
> > which video card you plug in. Some newer chipsets apparently can do an
> > agp apeture
>
> What I meant is that if the card has 64 megs on it and the aperture is
> only 64 megs then chopping off 1-2 megs of aperture space is somewhat
> expensive - isn't it ?
In other words, if you have 512mb of system ram and a 64mb radeon, and you
then create and populate a 64mb agp apeture you'll have:
448mb free system ram
64mb agp memory
64mb video memory
So if you wanted to use agp memory for texture,etc you'd have
(64agp+64videocard==128mb) available for that.
Many cards place restrictions on things like the framebuffer, etc, so this is
a slight fabrication. It sounds like you're confusing agp memory (remapped
system ram) with video memory (ram on your video card)
Keith
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