Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/18/84; site brl-tgr.ARPA
Path: utzoo!watmath!clyde!burl!ulysses!allegra!bellcore!decvax!genrad!panda!talcott!harvard!seismo!brl-tgr!tgr!ron@BRL-TGR.ARPA
From: Ron Natalie 
Newsgroups: net.music
Subject: Re:  rs232 midi interfaces
Message-ID: <8192@brl-tgr.ARPA>
Date: Sun, 10-Feb-85 16:31:56 EST
Article-I.D.: brl-tgr.8192
Posted: Sun Feb 10 16:31:56 1985
Date-Received: Wed, 13-Feb-85 02:20:55 EST
Sender: news@brl-tgr.ARPA
Organization: Ballistic Research Lab
Lines: 5

I've seen adds for midi ports for McIntoshes.  Since McIntoshes only
interface though their balsted serial ports, you might be able to adapt
that interface for your own needs.

-Ron