Re: Video cards using TurboCache
- From: HenryNettles <hnettles@xxxxxxxxxx>
- Date: Mon, 24 Oct 2005 10:42:23 -0500
On Mon, 24 Oct 2005 07:57:33 -0500, Peabody wrote:
> A while back I got some excellent advice here about upgrading versus
> getting a new system (still in the learning phase on that), and one
> of the new-system suggestions included a low-end PCI-e video card
> using something called TurboCache.
>
> Apparently this involves reducing the ram on the card to something
> like 32MB, and using system ram for the rest of the "128MB" of video
> ram. Apparently this is made possible by the high-speed
> bi-directional transfers available through PCI-e 16x.
>
> But is this just deja vu all over again? Is this just "integrated
> video" on a separate card? I thought that the big problem with
> integrated video was not so much the use of the ram per se, but
> rather the sharing of the memory bus, and the slowdown that
> produced. If that's right, how is a Turbocache card better than
> something like an integrated ATI Radeon Express 200?
>
> Well, at least it has 32MB on the card. So let me ask this. If no
> gaming is involved, is the use of system ram unlikely to happen
> often? Would playback of DivX, Xvid, MPEG-2, HD video require the
> use of the system ram?
This is not my area of expertise, so I cannot provide a definitive answer.
However, I do know that older AGP video cards with only 8 megabytes of RAM
will play back DVDs and DivX files with no problems whatsoever. This leads
me to believe that if you are not gaming, you will probably never use
system ram for video.
.
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