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From: Ron Natalie 
Newsgroups: net.music
Subject: Re:  MIDI Specs
Message-ID: <8233@brl-tgr.ARPA>
Date: Mon, 11-Feb-85 13:15:40 EST
Article-I.D.: brl-tgr.8233
Posted: Mon Feb 11 13:15:40 1985
Date-Received: Wed, 13-Feb-85 03:19:07 EST
Sender: news@brl-tgr.ARPA
Organization: Ballistic Research Lab
Lines: 13

I've got a friend with the ROLAND MIDI interface to an IBM PC.  The
computer dependent part that goes in the PC only seems to have about
three chips on it, so I don't suppose making one for even a micro that
they don't support would be much of a problem.  The documentation on
the interface isn't that bad.  The MIDI box itself has a 68XX in it
to handle real time playback and recording, but you can by pass that.
The interface between the MIDI box and the computer, although on a DB-25,
is not RS-232, nor is it serial at all.

The problem with RS-232 <-> MIDI is that the midi runs at a rather
bizarre speed as far as terminals are concerned.

-Ron