Re: Identifying a ferrite core board.
I used to have (maybe still do) some boards for a later Burroghs machine, E8000 or something like that. Interestingly, virtually all TTL chips had Burroughs type numbers on them (in the form nnnn-nnnn, like (fictuous example) 6356-3002). The seemed to be for the most part anyway standard TTL chips when looking at the schematics.
HMV 1120: That really is a wonderful sales brochure. How [computing] times have changed...
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