Re: framebuffer console

Brian Gerst (bgerst@quark.vpplus.com)
Sat, 06 Mar 1999 13:41:49 -0500


Orlando Andico wrote:
>
> I'm using the framebuffer console with a vesa-2.0 compatible video card.
> I've downloaded fbset-2.0(1998-10-28) but I can't change the mode timings
> from the defaults in the vesa bios. I would like to do this because the
> vesa bios defaults have really low refresh rates which are killing my
> eyes (I'm using the XF86_FBDev as well).
>
> Here's my /etc/fb.modes (set to use 800x600, 32bit, 72hz refresh):
>
> # video mode for frame-buffer console
> mode "800x600x16m"
> geometry 800 600 800 600 32
> timings 20000 44 64 27 45 120 6
> endmode
>
> this is what I try to do to change the mode:
>
> $ fbset --verbose 800x600x16m

The drawback to using the Vesa BIOS framebuffer is that setting the
video mode can only be done at boot time, while the processor is still
in real mode. You need to pass via lilo vga=x, where x is the mode
number to switch to.

-- 

Brian Gerst

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