You need to install the sis driver of XFree86. I have a Asus L3500Tp with
sis650/740
and it works, but is will not go above 1024x768 (figure that out)...

http://www.winischhofer.net/linuxsisvga.shtml


"JL" wrote in message
news:bcughr$nh3$1@news-reader2.wanadoo.fr...
> Hello,
> I have a portable ASUS L3500-d with a graphics board SiS740. I installed
> this portable under linux with the distribution Mandrake 9.1 but under X11

I
> am obliged to choose waiter X vesa. The problem is that vesa is not
> optimized for my SiS740 chart and thus the films are jerked a little.
> Somebody knows it a means to optimize it.
>
> Tank you,
>
>