>Is it possible to get hold of the image of the auto-boot ROM?

Try ftp://www.cs.wwu.edu/pub/pc532/mon.auto.tar.gz

It has two different ROM images. One for a 9600 baud console and
one for a 19.2K baud console.

Enjoy!

-- 
Phil Nelson                    NetBSD: http://www.netbsd.org
e-mail: phil@cs.wwu.edu        !gifs: http://www.gnu.org/philosophy/gif.html
http://www.cs.wwu.edu/~phil