John Gordon john_94501@yahoo.com  said;

>> Is there a OpenfirmWare in that machine? 
>
> No, it is NCD-proprietary boot firmware.

So, we've got the clue for the file format that NCD ROM monitor expects.   Then,
there is plenty of chances  to realize NetBSD ports for other NCD hardwares,
say, HMXpro-24 (R4700), ThinStar200 (Vr4300) and NC900 (RM523x).

Toru Nishimura/ALKYL Technology