> Thanks.  I've gotten a lot further now.  I've reached the point that I
> I believe that NetBSD is actually running.  It is asking for the root-device,
> as per the docs included with the bootblock program.  I'm not yet familiar
> with the NetBSD names for devices.  Where I am apparently wants the name of
> the root device in a format of fd%d, sd%d or cd%d.  I can't yet look at a
> working system, or read man pages to figure out what the correct input is.

 Use sd0 (or was it sd0a?)

[...]
> Entering sd0 or sd6 causes a panic and we're dropped into the debugger.

 Then you haven't set the DOS-Type of the partition corrctly.

-- 
Markus Illenseer