Laptops :: Lattitude LS400 Video Issue

I have installed DSL on my Lattitude LS400 and got it up and running but I cannot get the screen resolution correct. Has anyone done this? I really like the laptop becasue it is small and lite. Thanks.

My son has a Latitude L400, not sure of the difference with the LS400. It is now running DSL2.1b. It boot with the option of vga=791 (fb1024x768) and works well.

original here.