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- Xref: sparky comp.sys.ibm.pc.hardware:22259 comp.unix.sysv386:13376
- Path: sparky!uunet!caen!uflorida!sinkhole.unf.edu!shite
- From: shite@sinkhole.unf.edu (Stephen Hite)
- Newsgroups: comp.sys.ibm.pc.hardware,comp.unix.sysv386
- Subject: Re: SpeedSTAR 24X performance?
- Message-ID: <1992Aug20.101232.14743@sinkhole.unf.edu>
- Date: 20 Aug 92 10:12:32 GMT
- References: <l8vouqINN538@roundup.crhc.uiuc.edu> <1992Aug18.125250.26562@cbnewsj.cb.att.com> <oo96qi8@fido.asd.sgi.com>
- Organization: University of North Florida, Jacksonville
- Lines: 27
-
- In article <oo96qi8@fido.asd.sgi.com> pdc@sgi.com (Paul Close) writes:
- >david.e.wexelblat (dwex@cbnewsj.cb.att.com) writes:
- >>
- >>My advise to you is to trade in your SpeedStar 24 on an Orchid ProDesigner
- >>IIs. I can't give any time tables on when X386 1.2E will support the
- >>24 and 24X, because we have not yet been able to obtain the information
- >>we need from Diamond.
- >
- >The SpeedSTAR 24 and Orchid ProDesigner IIs both use the Tseng ET4000 chip.
- >Trading one in for the other is silly.
- >--
- >Paul Close pdc@sgi.com ...!{ames, decwrl, uunet}!sgi!pdc
- >
- > No fate but that we make
-
- Paul, it has nothing to do with the chipset. If you can't get to the
- higher dot clocks (or program them), then X386 1.2E cannot be used
- at > 640x480 (25 and 28 are the only "visible" dot clocks on the DS 24
- as seen by X386 1.2E currently).
-
- The Orchid Pro IIs and many other ET4000-based cards do not have this
- problem because it appears only Diamond Computer is using a proprietary
- technique of programming dot clocks they do not with to share with the
- world. Hopefully, their DS 24X developer's kit will reveal some answers.
-
- Steve Hite
- shite@sinkhole.unf.edu
-