On Monday, January 24, 2005, at 04:40 AM, [EMAIL PROTECTED] wrote:
I have read that AGP video cards can use system memory for their video
processing purposes, since they have direct access to the memory bus. I just wanted
to know if thats true, or more importantly, how to do it. This would be
especially important to me on a system such as the Mac Mini, which has only 32MB
VRAM, and I dont believe there is a way to upgrade that. So throw 1GB RAM in
and you now have enough memory to share with your graphics card.
I believe the video card and bios have to be built for that purpose in the beginning, and the performance of the card is significantly degraded from a card with onboard memory.
There's a reason this is only done in the cheapest of PeeCees. TANSTAAFL.
Second, why is it so vital to upgrade the video memory on the Mac Mini? This technique does NOT work well for games...which is pretty much the only reason these days for needing lots of VRAM.
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