> > > It should be possible to just save the bios to another hard disk. > > > > Not necessarily - most P2 and later BIOSes are banked. Just saving F000h:**** > doesn't > > get you the whole thing. > > It's usually mapped linearly at the end of the 32 bits address space by the south > bridge and not actually banked. f0000-fffff is quickly switched to ram in general.
Right, but the usual instructions for this involve booting DOS and using DEBUG.COM to do the dump, which isn't going to see the 32 bit address space.