SuperPETs often came with all the sockets filled. Apparently there was some problem with empty sockets. The sockets were filled with whatever obsolete ROMs they had in hand, usually ROMs that were traded in for upgrades. On Mon, 4 Oct 2021, Bo Zimmerman wrote: > Hello all, > > I recently got a spare option rom (UD11 & UD12) switch panel, of the kind > often found on the 3-board MMF9000s. One of the two sockets in it had a > 901465-02, which is a BASIC-2 rom. I figured the prev owner must have had > that chip sitting around and stuck it in there so it would feel wanted. > > Anyway, I started investigating whether this switcher board might be useful > in my single board SP9000, so I opened up my MMF and investigated how it was > hooked up in there. > > To my shock, surprise, and great amusement, I found that my MMF9000 rom > switcher sockets contained 901465-01 and 901465-02. So I guess the chip in > the new rom-switcher I got was no fluke! > > What explains this though? Of what possible use is a pair of BASIC-2 roms > in option rom sockets of the 8032 board of the MMF9000? > > Needless to say, none of these rom switches seemed to do anything. > Inquiring minds are puzzled. > > - Bo > > Pics: > > http://coffeemud.net:8080/pics/mmfroms.jpg > http://coffeemud.net:8080/pics/mmf9000side.jpg > > > wlevak_at_sdf.org SDF Public Access UNIX System - http://sdf.orgReceived on 2021-10-05 00:00:02
Archive generated by hypermail 2.3.0.
