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Date:      Fri, 29 Jan 1999 08:22:13 -0800
From:      Mike Smith <mike@smith.net.au>
To:        Mark Newton <newton@atdot.dotat.org>
Cc:        hackers@FreeBSD.ORG, mike@smith.net.au
Subject:   Re: Any way to get machine out of hires when it breaks into DDB> ? 
Message-ID:  <199901291622.IAA00859@dingo.cdrom.com>
In-Reply-To: Your message of "Fri, 29 Jan 1999 13:36:29 %2B1030." <199901290306.NAA07795@atdot.dotat.org> 

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> Mike Smith wrote:
> 
>  > > I don't understand why we can't use VM86 bios calls to switch modes these
>  > > days.  Mind you, I don't really understand the VM86 code.
>  >  
>  > The BIOS can only be expected to move from one known state to another
>  > known state. Because the BIOS hasn't put the card *into* the mode that
>  > the X server is in, it can't be expected to get it out.
> 
> Speaking out of ignorance here:  The BIOS can reset the card, can't it?

No.

> [ if not, how does the video mode get restored when you reboot? ]
> 
> It's in a known state once it has been reset, one would hope...

Only after a hardware reset (ie. when you reboot).

-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\  msmith@cdrom.com



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