Atombios table editor: Screen that ONLY supports 1280x800 resolution

Alex Deucher alexdeucher at
Wed Apr 24 06:25:59 PDT 2013

You should talk to your oem.  The vbios always attempts to set the
native timing of the panel if an EDID is available.  Note that the
standard vesa modes may not include this mode, but the vbios will use
the hw scalers to scale from the native mode to whatever vesa mode you
are using.


On Tue, Apr 23, 2013 at 12:20 PM, Ricardo Ribalda Delgado
<ricardo.ribalda at> wrote:
> Hi
> I have screen that only works at 1280x800. Unfortunately, that
> modeline is not on the bios ModeTimings table, so the bios tries to
> set the screen at a different resolution, giving out a consistent
> black image ;). Once linux is booted and X is started I get a proper
> output.
> I would like to add the timings of my screen to my video bios. Is
> there any tool to do this?
> If not, there is any tool that can recalculate the crc of a manually
> modified video bios?
> Thanks for your help!
> --
> Ricardo Ribalda
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