> Hi.  We're just getting our feet wet with MacBSD trying to boot it on a Mac
> IIcx, 5 Mb Ram.  When we try to boot, the following situation developes:
> --------------------------------------------------------------
> get_mapping ():Too many Nubus Ranges.
> Non System RAM (Nubus etc.):
>                 followed by lines of stuff
> 
> No internal video at address 0 -- videoaddr is 0xf9900020
> Done.
> Bootstrapping the pmap system
> Failure in BSD boot. nextpa=0x106000, high [0]=0x100000.
> panic: You're hosed!
> Stopped at -Debugger+0x6: unlk a6
> db> unexpected trap; vector offset 0x0 from 0x739c0000.

This is *the* classic error message.  You need to have the following
things set up on the MacOS side:

1) System 7 or later installed (since System 6 doesn't have 32-bit
address mode)
2) Connectix's MODE32 (can be obtained from ftp.info.apple.com, etc.)
installed and enabled (version 7.5 works for all System versions)
3) Virtual Memory turned OFF in the Memory control panel
4) 32-bit Address Mode turned ON in the Memory control panel

BTW, 5M RAM may feel a little stuffy, especially if you plan to run
large applications like X, emacs, etc.  Minimally 8M, preferably 16M
or more.

ken