Re: [Linux-fbdev-users] Help with 800x480 Framebuffer (16 bit color or less)

[Antonino A. D. <ad...@gm...>]

Lan User wrote:
> Hello,
> 
> I'm the proud owner of a Toshiba Libretto 100CT sub
> laptop that has an 800x480 LCD screen.  I'm using the
> 2.6.16 kernel.  I'd like to enable bootsplash on this
> machine but need a 16 bit or less framebuffer to do
> so.
> 
> I found the 24 bit framebuffer mode of vga=806 but I'm
> unable to figure out a 16 bit (or less) mode that for
> the 800x480 resolution.
> 
> Is there a full list of modes that someone could refer
> me to or is there another way to "discover" the
> correct vga= number that will enable 800x480 at 16 bit
> color or less?

Run X using the 'vesa' driver. Look at /var/log/X*.0.log.
It should contain a list of modes that the BIOS supports.
Pick the one you want, and take down the mode id (the
mode id is a 2 digit hexadecimal number).  Add 0x200 to the
mode id and use that in your vga= line.

Tony