Date: Wed, 28 Aug 1996 23:17:13 -0400 (EDT) From: Jim Durham <durham@durham> To: sos@freebsd.org Cc: hackers@freebsd.org Subject: Re: Specs on a Hitachi CM2085me monitor anybody ?? Message-ID: <Pine.BSF.3.91.960828231223.175B-100000@w2xo.pgh.pa.us> In-Reply-To: <199608280710.JAA21785@ra.dkuug.dk>
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On Wed, 28 Aug 1996 sos@freebsd.org wrote:
> In reply to Jim Durham who wrote:
> >
> > > H&V-sync your monitor can handle, I can probably do a small patch
> > > to the mode setting code that will allow you to use your monitor
> > > for std modes ie 80x25, 80x50 etc...
> > > Just remember that it s a hack, and nothing that I will admit to
> > > have done :)
> >
> > I'd like to see this also, as I have a fixed-scan 19 inch monitor.. Just
> > some general guidelines to hack it myself would do the trick. Where's
> > the mode setting code? Syscons.c?
> >
>
> Hmm, this might even be the best idea, I'll see if I can get
> the time to write down how to do this. Remember though that
> it is only possible to use the std clock rates, which probably
> will result in some strange resulution.
> For the adventurous look at the function set_mode() in syscons.c
> that together with a description on how the videomodes are
> stored in the BIOS will do the trick. I even remember seeing a little
> util for DOS(I know...) that allowed one to play with the video regs
> "online". That would give the values you need...
OK.. I looked at it earlier. I'll look again.
Any suggestions on where documentation on BIOS video modes may
be lurking on the net?
Of course, the absolute topper would be to hack the BIOS rom so that
it natively boots to something your monitor can handle! ;-) .
-Jim Durham
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