Subject: Re: problems with X configuration
To: None <current-users@NetBSD.org>
From: Matthieu Herrb <email@example.com>
Date: 01/05/2005 07:53:56
Christos Zoulas wrote:
> In article <20050104215942.C4FE43BFF1C@berkshire.machshav.com>,
> Steven M. Bellovin <firstname.lastname@example.org> wrote:
>>I'm having trouble trying to configure X on a new Dell 8400 with a flat
>>panel display. I ran X -configure; it mostly got things right, but
>>doesn't seem able to figure out the 1600x1200 resolution that the
>>adapter, the screen, and -- "the OS shipped with the box" -- can all
>>I've put the Xlog at http://www.machshav.com/~smb/Xlog; I think the
>>problem is that 1600x1200 is described as a "future mode". I assume I
>>need a Modes section; what I don't know is what all the mystical
>>numbers should be. I mean -- I don't even know what a DotClock or an
>>hdisp are, let alone what values I should supply....
> ModeLine "1600x1200" ?? 1600 1664 1856 2160 1200 1201 1204 1250 +hsync +vsync
> Where ?? is the refresh rate supported by your flat panel. Probably something
> like 60-80. You can use xvidtune to make this better once it works.
One can use the 'gtf' command (part of XFree86) to generate VESA
compatible modes, for instance:
gtf 1600 1200 60
But this is useless with the vesa driver.