Hello Mark!

  MW> I've recently got NetBSD running (well, shuffling) on
    > an even more tired old system than Andy's machine. :-)

<sigh of relief> It's not just me then! =o)

  MW> It's a 386SX-25, with 120Mb hard disk, 4Mb RAM (yep,
    > four), a floppy drive and an NE2000 clone NIC.
    > Installation was accomplished...using an old boot-tiny
    > to create a 20Mb swap partition, then interrupting the
    > 1.5 boot-tiny sysinst to activate it before
    > continuing.  I built an 1100kb kernel for it on my
    > main machine, and got pretty much all the stuff needed
    > into about 60Mb of disk space.

That's excellent news!  Can I ask what you compiled into the
kernel?

Regards,
  - Andy.