void vga_setchipsetandfeatures(int chipset, int par1, int par2);
Force chipset, and optional parameters like the exact
chipset type and the amount of video memory installed. This function works similar to
and allows the same values for
In addition you can pass additional parameters to the setup routine whose meaning
heavily depend on the driver. You should only use this for debugging and if you know
what you do, which is why we do not document anything more here.