Framebuffer or standard VGA ?

ollie lho ollie at
Mon Sep 9 21:03:01 CEST 2002

On Mon, 2002-09-09 at 23:50, Antony Stone wrote:
> Hi.
> I'm using LinuxBios on an SiS630 motherboard (PC-Chips M810L).
> Is is essential to use the framebuffer device for video output under 
> LinuxBios, or can I boot it into a 'standard VGA' mode ?
> I tried changing HAVE_FRAMEBUFFER=1 to =0 and also removing it entirely from 
> my config file, but I just got no video output at all - the serial port told 
> me everything else was starting up okay though.

Do you want VGA frame buffer or not ?? If you want framebuffer for SiS 
630, you have to enable SiSFB Lite in the SiS LinuxBIOS patch.

> If it is essential to use the framebuffer, is there any way to change the 
> refresh rate, because I'm using an old monitor which loses the top & bottom 
> of the screen (it doesn't have a vertical size control :-(   ) when I boot 
> under LinuxBios.

SiSFB Lite accept standard kernel parameter for video mode. Read 
linux/Documentation/fb/modedb for more detail. 


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