Subject: Re: is ANYONE running multiple vga cards right now.
To: Todd Whitesel <>
From: Leo Weppelman <>
List: current-users
Date: 08/28/1999 22:05:27
On Fri 27 Aug 1999, Todd Whitesel wrote:
> >   Yes, but you see, video cards are allowed to break the PCI spec. Or,
> > rather the spec has an exception for them. They get to map themselves into
> > stock ISA VGA address memory as well as getting PCI address space assigned.
> >   This is so that the system can boot, etc. and have video etc. without
> > a PnP aware OS --- e.g. DOS, Win3.11, OS/2.
> (cue shower music from Psycho)
> ... which means that if the video card vendor takes the cheap way out and
> relies on that compatibility code to reuse their ISA boot rom, I'm screwed.

If you want to try the Tseng-series of cards, atari/pci/pci_tseng.c tries
to initialise these cards into some sensible 'standard' text mode....
You probably need to disable/remove the card BIOS to get it out of the
way, but this is an unexperienced problem on the (m68k) atari's ;-)