On Thu, 20 May 1999, David Brownlee wrote:
>
> 	Its faster than some of the vaxen we support. :)
> 	I believe there are at least two people working on NetBSD support
> 	for these boxes:
> 		http://www.epcc.ed.ac.uk/~st/netbsd-mca.html
> 	and	http://www.sprc.qut.edu.au/~mcgarry/netbsd/mca.html
> 

On Fri, 21 May 1999, Michael Richardson wrote:
>
>   If it hangs at biomask, then it is likely an interrupt that is
> stuck...
>

I booted from Gregory McGarry's mca boot image--it hung at the same place:

  ...
  fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
  biomask 40 netmask 40 ttymask 42

Although microchannel may be an issue, I suspect Michael is correct,
there's probably an interrupt causing problems.

  /\---/\  Eric J Fox
 /  o o  \ http://fox.phoenix.az.us
 \.\   /./ ---------------------------
    \@/    "Of course it runs NetBSD."