Date: Sat, 7 Sep 1996 17:45:11 +0200 (MET DST) From: sos@FreeBSD.org To: arver@sn.no, Arve.Ronning@alcatel.no Cc: j@uriah.heep.sax.de, arver@sn.no, freebsd-hackers@FreeBSD.org Subject: Re: Support for fixed-scan monitors Message-ID: <199609071545.RAA12747@DeepCore.dk> In-Reply-To: <323164E0.41C67EA6@alcatel.no> from Arve Ronning at "Sep 7, 96 02:04:48 pm"
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In reply to Arve Ronning who wrote:
>=20
> The (MDA present) and (VGA present) 'probes' are simple write-something=
-and-
> check-if-it-can-be-read-back (like the original in scinit()).
>=20
> What this is all meant to achieve is :
> 1) if PREFER_MDA is *not* defined, the code is unchanged.
> 2) if PREFER_MDA is defined and only MDA present, MDA is used.
> 3) if PREFER_MDA is defined and both MDA and VGA present, MDA is used.
> 4) if PREFER_MDA is defined and only VGA is present, VGA is used.
>=20
> So, in effect PREFER_MDA does what it says : PREFER MDA over VGA, while=
the
> original code does PREFER VGA over MDA.
Hmm I have some old patches lying around for syscons, so that it can
used both a mda & a vga simultaniously if both are present, priority
could easily be changed.=20
If I remember right you can set the PC to boot into whichever you
want by setting the BIOS to either monochrome og vga. Syscons could
then take over the device that the BIOS used as default. As I see
it there is no need to muck with the bootblocks....
> Would you be interested in looking at the patches and give me your opin=
ion ?
> Do you think there would be any interest in including this in -current =
? (or
> any other version for that matter:).
Lets have a look at it, I'm mostly for the "dual video card" support, tha=
n
for some specific hacks to the bootblocks & drivers...
I dont think we need "Yet another kernel option", we have plenty of
that allready.
-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=
=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D=
-=3D-
S=F8ren Schmidt (sos@FreeBSD.org) FreeBSD Cor=
e Team
Even more code to hack -- will it ever end
..
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