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- Path: sparky!uunet!zaphod.mps.ohio-state.edu!sdd.hp.com!ux1.cso.uiuc.edu!news.iastate.edu!iscsvax.uni.edu!eadie5295
- From: eadie5295@iscsvax.uni.edu
- Newsgroups: comp.sys.ibm.pc.hardware,comp.sys.ibm.pc.misc
- Subject: Re: Graphics Accelerator Cards
- Message-ID: <1992Nov23.131945.8943@iscsvax.uni.edu>
- Date: 23 Nov 92 13:19:45 -0600
- References: <1992Nov17.213906.504@cbnewsh.cb.att.com> <1992Nov19.094530.5007@news.uni-stuttgart.de>
- Organization: University of Northern Iowa
- Lines: 24
-
- > Due to the antiquated hardware design of the PC the CPU has to put the
- > image onto the Windows screen pixel by pixel and all that via the slow
- > AT-bus. 640x480x256 - that's a lot of info to be put into the VRAM on
- > your card (How many MB does that amount to, by the way? I could never
- > get that right). And that takes TIME.
- >>
- > For a quick fix, try switching to the plain vanilla VGA-driver included
- > with Windows. That'll only give you 16 colours, but at the same time it
- > reduces the amount of info on the screen by a factor of 16. Consequently
- > things like scrolling are a lot speedier. ^^
- >
- > HSK
- >
- On the contrary, reducing colors from 256 to 16 reduces the number of
- possible colors by 16, but will reduce the number of bits/pixel by a factor of
- only 2 (8-bits vs 4-bits per pixel).
- --
- +----------------------------+ _ _ __ _ _
- | Trent Eadie | | | | | | \ | | | |
- | | | | | | | |\ | | | |
- | eadie5295@iscsvax.uni.edu | | |_| | | | \ | | |
- +----------------------------+ |_____| |_| \_| |_|
- DISCLAIMER: The opinions expressed herein are not necessarily mine. They are
- merely the opinions of the body in which I am inhabiting.
-