Date: Fri, 17 Apr 1998 12:13:23 +0100 From: Lorenzo VICISANO <L.Vicisano@cs.ucl.ac.uk> To: Matthias.Apitz@SOFTCON.de (Matthias Apitz) Cc: mobile@FreeBSD.ORG Subject: Re: Trident GUI 9660 && TFT && XFree86 3.3.2 Message-ID: <637.892811603@cs.ucl.ac.uk> In-Reply-To: Your message of "Fri, 17 Apr 1998 07:43:29 %2B0200." <9804170743.AA05130@kant.SOFTCON.de>
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> I'm now struggeling with the XFree86 and my 14" TFT display which
> supports 1024x768 resolution. I spend many hours with the Xconfig
> but can't find a working ModeLine (or other parameter combination),
> even in 640x480 it doesn't bring a usefull picture on the screen.
Not sure how much it relates, but I've a trident 9382 + 12.1" TFT
800x600 and it worked with 3.3.1, no special parameter, not even
Chipset definition, just the following modeline:
ModeLine "800x600" 28.32 800 808 1024 1040 600 600 626 640 +hsync +vsync
And an optimistic choice of:
HorizSync 25-79
VertRefresh 20-76
When I switched to 3.3.2, it stopped working, the only ways to make it
do somthing sensible were with
Option "no_program_clocks"
But this way it stopped working with 16bpp, as it only detected:
(--) SVGA: clocks: 28.32 28.32 28.32 28.32
(--) SVGA: Effective pixel clocks available:
(--) SVGA: pixel clocks: 14.16 14.16 14.16 14.16
Using a manual `Clocks' definition did not work either, as X refused to
accept it.
The other way was without `Option "no_program_clocks"', but the
display/card entered in a not well configured state, so I just went
in standby state, then back to normal, and X worked. Not very
convenient procedure... b.t.w. it's a Thinkpad 560, old chipset.
I eventually decided to use XF86_SVGA from the 3.3.1, wich seems
to work fine with the rest of 3.3.2 stuff.
cheers,
Lorenzo Vicisano.
P.S. any suggestion on how dealing with 3.3.2 is very welcome.
*--------------------*----------------------------------------------*
/ Lorenzo Vicisano \ http://www.cs.ucl.ac.uk/staff/L.Vicisano /
/ Dept. of Computer Science \ E-mail L.Vicisano@cs.ucl.ac.uk /
/ University College London \ Tel +44 171 419 3670 /
/ Gower Street, London, WC1E 6BT, UK \ Fax +44 171 387 1397 /
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