>> Seems like that's different on every card (the palette restoration is
>> to the VGA compatibility registers, but the cards seem to vary wildly
>> in their mode switch method).
>
>Speaking out of the depths of my ignorance, would it be possible to do
>a full card reset?  ISTR XFree 4.0 doing something like this to
>initialize multi-headed displays...

Yeah, they call the INT10 BIOS extension for those cards.  That's beyond
me to say whether or not that's feasible to do from DDB.

--Ken