[rescue] Sun2: Looking for the 1.X Boot PROMs

[Stefan Skoglund]

tor 2018-04-12 klockan 22:24 -0500 skrev Steve Piette:
> *
> *
> > I think that mine have the R ROMs.
> > I have seen Q ROMs, but nothing newer than R.
> > -- 
> > Michael Thompson
> > 
> > Are you looking for the Sun 2/120 board PROMS? (wasn't sure which
> > Sun 2 you
> > were talking about)
> > 
> > Earl
> 
> Yes,
> 
> I'm looking for the last version of the 2/1XX Multibus CPU boot
> PROMs. 
> The SunOS 4.0 documentation mentions distributing them and I've seen 
> references for a 1.1.2 version but don't know which CPU type they
> were 
> from or find a copy.
> 
> I seem to have two different versions of the Rev N PROMs and the Rev
> R 
> PRO
> 
> Sun Workstation, Model Sun-2/120 or Sun-2/170, Sun-2 keyboard
> ROM Rev N, 1MB memory installed
> 
> Sun Workstation, Model Sun-2/120 or Sun-2/170, Sun-2 keyboard
> ROM Rev R, 4MB memory installed
> 
> I've seen Rev Q but those only seem to be on VME Sun 2's like the
> 2/50.
> 

What is the differences between the different versions ?
Is it support for extra memory  or other boot devices ?