*BSD News Article 29338


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From: terry@cs.weber.edu (Terry Lambert)
Newsgroups: comp.os.os2.misc,comp.windows.x.i386unix,comp.os.linux.misc,comp.os.linux.help,comp.os.386bsd.misc,comp.os.386bsd.questions,comp.sys.next.software,comp.sys.next
Subject: Re: PCI bus cards (graphics and SCSI) which work?
Date: 9 Apr 1994 01:34:51 GMT
Organization: Weber State University, Ogden, UT
Lines: 80
Message-ID: <2o50ns$gso@u.cc.utah.edu>
References: <michaelv.764537928@ponderous.cc.iastate.edu> <DAVEH.94Mar28165649@canopus.commodore.com> <2njpkj$erk@dearg.cuillin.org.uk>
NNTP-Posting-Host: cs.weber.edu

In article <2njpkj$erk@dearg.cuillin.org.uk> guy@dearg.cuillin.org.uk (Guy Dawson) writes:
]The problem with the Diamond cards is Diamonds use of their own clock
]generation chip to generate the timing signals. They won't release any
]details on the chip. So while one can find out about the video chip
]used one still won't know how to set-up the clock generation chip...

The programming details for the varios chips are well known; the problem
is that you have to write a register that sets a PAL, and the PAL sets
the real info.  You don't know what's in the PAL, and the PAL can vary
from board to board.

Check out:

The Diamond FAQ (sunsite.unc.edu)
The Diamond XFree86 hacks for Linux (sunsite.unc.edu)

Articles:

=From: joe@apache.dtcc.edu (Joe Brown)
=Newsgroups: comp.os.386bsd.announce,comp.os.linux.announce,comp.windows.x.i386u
=nix
=Subject: Diamond.FAQ
=Date: 5 Nov 1993 09:22:58 +0200
=Message-ID: <2bcv0i$9up@klaava.Helsinki.FI>
THE FAQ

=Newsgroups: comp.windows.x,comp.sys.ibm.pc.hardware,comp.os.linux,comp.unix.bsd
=From: Bruce Wayne
=Subject: How to set the diamond clock ...
=Date: Fri, 18 Sep 1992 17:40:00 GMT
=Message-ID: <4356bw@gotham.city>
HOW TO PROGRAM DIAMOND CLOCKS (WITH CODE)

=Newsgroups: comp.sys.ibm.pc.hardware,comp.unix.bsd
=From: pfk@rz.uni-jena.de (Frank Klemm)
=Subject: ## Info about the Diamond Pixel Clock Synthesizer
=Date: Mon, 02 Nov 1992 18:55:31 GMT
=Message-ID: <1992Nov02.185531.13576@rz.uni-jena.de>
INFO ON DIAMOND CLOCK DECODE (DETAIL + BITLIST)

=Newsgroups: comp.sys.ibm.pc.hardware,comp.unix.bsd
=From: michael@labtam.labtam.oz.au (Michael Podhorodecki)
=Subject: Re: ## Info about the Diamond Pixel Clock Synthesizer
=Date: Wed, 4 Nov 1992 10:02:08 GMT
=Message-ID: <1992Nov4.100208.3900@labtam.labtam.oz.au>
MORE INFO ON DIAMOND CLOCKS

These should be on local news archives and on the BSD archive on minnie
(get the BSD FAQ if you don't know who "minnie" is).



From the Diamond FAQ:
=
=Q: What are the different video cards has Diamond Computer Systems
=	Inc.  produced?
=
=	1. SpeedStar VGA: Tseng(ET4000) chipset and Music DAC
=	2. SpeedStar High Color: Tseng(ET4000) chipset and Sierra DAC
=	3. SpeedStar 24: Tseng(ET4000) chipset and Diamond(SS2410) DAC
=	4. SpeedStar 24X: Western Digital(WD90C31) chipset and Diamond(SS2410) DAC
=	5. Stealth Vram: S3(P86C911) chipset and Diamond(SS2410) DAC
=	6. SpeedStar Pro ISA: Cirrus Logic chipset *
=	7. SpeedStar Pro VLB: Cirrus Logic chipset *
=	8. Stealth 24 ISA: S3(P86C801) chipset and Diamond(SS2410) DAC
=	9. Stealth 24 VLB: S3(P86C805) chipset and Diamond(SS2410) DAC
=	10. Stealth Pro ISA: S3(P86C928) chipset and Diamond(SS2410) DAC
=	11. Stealth Pro VLB: S3(P86C928) chipset and Diamond(SS2410) DAC
=	12. Viper VLB 1/2 MB: Weitek(P9000) chipset and Bt(485KPJ110) DAC
=
=* Cirrus logic chipsets do not use special clock programming.  If
=  you're still haveing difficulties, try to follow the steps under TRY
=    THIS FIRST.


					Terry Lambert
					terry@cs.weber.edu
---
Any opinions in this posting are my own and not those of my present
or previous employers.