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- Newsgroups: comp.sys.ibm.pc.hardware
- Path: sparky!uunet!haven.umd.edu!darwin.sura.net!mips!sdd.hp.com!ux1.cso.uiuc.edu!news.cso.uiuc.edu!atropa!berger
- From: berger@atropa (Mike Berger)
- Subject: Re: S3 Video Cards (Stealth, F1280...) SLOW?
- References: <1992Jul17.154240.8981@magnus.acs.ohio-state.edu> <5870122@pollux.svale.hp.com>
- Message-ID: <Brr298.55J@news.cso.uiuc.edu>
- Sender: usenet@news.cso.uiuc.edu (Net Noise owner)
- Organization: University of Illinois at Urbana
- Date: Tue, 21 Jul 1992 17:36:44 GMT
- Lines: 25
-
- dlow@pollux.svale.hp.com (Danny Low) writes:
-
- >>(Paul A Prior)
- >>Ok, I know that S3 based cards slow down under dos text based plain
- >>VGA type stuff. However, I don't need the "dir" command to speed by
- >>any faster than it already does! Therefore my question is, so what?
- >>Does this affect things run under dos such as flight simulators (falcon
- >>3.0!) where frame rate is important?
-
- >No. The software must know about the special hardware features in
- >the S3 chips to get the improved graphics performance. Neither Falcon
- >nor any other game knows about these features. Windows based games
- >may use these features as graphics I/O is handled by the Windows
- >drivers and all S3 cards come with drivers that know about the S3
- >special features.
-
- The other half of the answer is "yes". The S3 based cards usually
- emulate standard VGA displays outside of windows, and most of them
- are slower than a standard VGA card in those modes. So they may well
- affect DOS programs that require fast updates adversely.
- --
- Mike Berger
- Department of Statistics, University of Illinois
- AT&TNET 217-244-6067
- Internet berger@atropa.stat.uiuc.edu
-