coax protocols (was IBM hercules setup pics)
aek at bitsavers.org
Mon Apr 10 15:48:33 CDT 2006
> no, they make cards so that IBM PC's can emulate being this type of
> The chip contained on some of the cards can be use to run one of the
> terminals, in
> a limited fashion, but the protocol is not widely available (for the
> wire). The software
> spec of what goes on is out there, and you can get some of what
> on the
> wire, but the actual data protocol is not published by IBM.
GA23-0061 (3274 control unit description and programmer's guide) or
> I have a product that will capture the interchanges on the wire.
Are these all derivatives of the 3274 and its protocol?
What were the various "IRMA" cards?
I have some protocol docs in the 3274 FE manuals.
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