From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <def333318eb99b2e3027bb46fef85cb5@csplan9.rit.edu>
To: 9fans@9fans.net
Date: Wed, 15 Apr 2009 15:18:48 -0400
From: john@csplan9.rit.edu
In-Reply-To: <9ab217670904151211rb880e2fy1f25fa41dbbedb95@mail.gmail.com>
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Subject: Re: [9fans] vgadb woes
Topicbox-Message-UUID: dc4bdf52-ead4-11e9-9d60-3106f5b1d025

> I've got a laptop that I (for shits and giggles) decided to put Plan 9
> on. Lo and behold, it worked fine (Compal EL80, Core 2 Duo, 2GB RAM,
> nVidia video).
>
> So, I'm running at 1280x1024x32 right now in VESA, which is
> reasonable, but I'd like to run at my maximum native resolution, which
> is 1680x1050 (I believe). After tooling around with Xorg configs, I've
> found a horiz/vert refresh rate that should work for me...
>
> ...except that I have no idea how to convert that into vgadb lingo.
> I've read all the comments in vgadb, and the manpage, which helpfully
> suggests that I purchase a rather dated book. I suppose it's at least
> available, but in the interest of ``I want it now,'' are there any
> hints on translating eg.
>
> 	Option		"DPMS"
> 	HorizSync	28-84
> 	VertRefresh	43-60
>
> into vgadb(6) lingo?
>
> Only other bit of potentially relevant information I have is that Xorg
> reports the monitor as having a ``330.0 MHz pixel clock''.
>
> Thanks,
>
> --dho

I got something working for me, so I wrote a wiki page:

http://www.plan9.bell-labs.com/wiki/plan9/Adding_a_monitor_to_vgadb/index.html

Hope that helps; I've tried something similar with a different monitor
and managed to get a setup that causes the screen to jiggle and hurt
my eyes, so your mileage may vary.



John