On 10/4/21 8:06 AM, 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? Have you verified that the ROM really contains what the printed number suggests? GerritReceived on 2021-10-04 11:00:02
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