Okay... so this one has me thinking. I have an old system with an onboard
i810 video controller, but was recently given a dead PC with a PCI NVIDIA
TNT2 which I was considering playing with, to grunt up 3D a little. Using
an additional video card in onboard setups is something I know is common.
When starting X, it appears to have an issue resolving the video adapter
against the onboard version, as X crashes with an error message about the
PCI bus not being available. I switched my Xconfig to "nv", and then to
"VESA", and although the console video was being displayed through the PCI
NVIDIA adapter, X didn't appear to be able to use it... It seemed to point
to a conflict somewhere.
There isn't any video being sent from the onboard VGA connector, and the
machine boots normally in text-only console display, so it's just X giving
me issues. What normally needs to be done to get this sort of thing
"Linux... because rebooting is for adding new hardware!"