[vcf-midatlantic] Looking for Help to make a MP/M Disk Image

william degnan billdegnan at gmail.com
Sat Sep 2 15:21:48 EDT 2017

After a lot of effort I repaired a Systems Group 2800 S-100 computer by
tracing the electrical faults related to old caps and a 7805 regulator. Now
it boots to the hard drive.

The system boots up and asks PASSWORD PLEASE-

I have tried various passwords but none work.

I found a binary of the MP/M OS that came with the SG 2800 here:
(search page for "Systems Group System 2800")

Is there anyone here who can make me a bootable 8" disk by using this

In the meantime I am going to see if I can make a generic MP/M disk boot
that will work this system, but it would be nice to get the disk the
computer came with running.

I don't have the skills to use the appropriate assembler, it has been years
since Dan Rogantis's class on building a CP/M (MP/M) disk from a binary of
the disk files.  I suppose I could just copy them to a CP/M disk but I
doubt it will boot.  If I keep at it I can probably get it to work but I
will accept help if this is an easy project for someone else.  Suggestions?



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