On Sat, 19 Jun 1999, David A. Gatwood wrote:
> On Sun, 20 Jun 1999, Izumi Tsutsui wrote:
> 
> > This is a bit off-topic, but FYI:
> > 
> > I guess PCI based PERFORMA class machines (64xx ?) have
> > non-PCI based on-board video. These machines would work
> > with serial console only.
> 
> The 54/64xx machines, like the PERFORMA class machines, use valkyrie
> video.  It's a bit of a stretch to describe it as non-PCI based, though.
> You should be able to get the base address from OF along with the video
> mode and have a minimal video console just from that.  You'll note how
> little code there is in MkLinux to support it.  It's not a fully
> functional driver in that it can't change resolutions, but it should get
> you started.
> 
> 
> Later,
> David

I have a 6400 (which, btw, is PCI-based) with valkyrie video.  "screen" is
an alias to valkyrie, which worked fine except that when I used screen/kbd
instead of ttyb/ttyb, the mac wouldn't boot from floppy.  It would boot
and then give me a "CLAIM failed!" error.

--fission