Mark Hayter <mdh@sibyte.com>  wrote:
 > 
 > If you are using a ZIP (I forget about hard drive) I seem to remember that
 > there is some magic in addition to disklabel. Something like writing zeros
 > over the first 512 bytes (use dd to the raw device). Otherwise the OFW does
 > not recognise the bsd format disc. So, if netbsd sees the disk but OFW cant
 > open the directory try this hack. Of course this may have been fixed.

I think that was the "Oh! I see an MSDOS partition! I'll do something
else." problem.