On Mon, Mar 19, 2007 at 10:24:28AM -0400, William E. Pflum Jr wrote:
> I have an Emphase IBOX AMD LX-800 which has a Geode processor and an AMD
> graphics chipset.  I can get a PXE boot to netbsd ok but no matter if I use
> the original XF86 or Xorg X server I get a flash on the screen of some
> colors and then a black screen.  The system is still running as I can enter
> commands and they work but I cannot see any screen until I reboot.  If I
> look at the Xorg log, I see a VBESetVBEMode failed error and then an A2
> ILLEGAL EXTENDED X86 OPCODE and finally a Fatal Server error:
> AddScreen/ScreenInit failed for driver 0.

Many Xorg drivers have an option to forcefully disable the BIOS calls.
Can you try that? Otherwise which chipset is it exactly?

Joerg