Re: //c vs //c+

[Charles Stephens <devnull@dobbs.eng.sun.com>]

>>>>> "DW" == David Wilson <david@uow.edu.au> writes:

 DW> Charles Stephens <devnull@dobbs.eng.sun.com> writes:
 >>>>>>> "MF" == Mike Ford <mikeford@netwiz.net> writes:
 MF> Someone told me once it was possible to "trick" the serial port on a IIc+
 MF> into running localtalk, but I wasn't interested at the time.

 >> There was firmware in UniDisk IIc, but didn't do anything since, it
 >> too, had the same ASIC.

 DW> For ASIC read ACIA (Asynchronous Communications Interface Adapter not
 DW> Application Specific Integrated Circuit [like the MMU & IOU chips]).

My bad.

 DW> The firmware in one version of the //c was to allow an external box with
 DW> a Zilog SIO chip in it to be interfaced to the //c serial port. This box
 DW> never eventuated.

I don't think it would have been too useful anyways.  However, it
would be fun to get a disassembley of the firmware so one could
reverse engineer such a box.  It could work on any Apple machine.

cfs
-- 
Charles F. Stephens               = cfs  AT  eng.sun.com
Software Psychic and Illuminary   =
Solaris Directory Service         = "We don't make mistakes, we make
Solaris Software                  =  happy accidents."
Sun Microsystems, Inc.            =            -- Bob Ross
Menlo Park, California, USA       =