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From: tim@hoptoad.uucp (Tim Maroney)
Newsgroups: comp.sys.mac
Subject: Re: External clocking of AppleTalk
Message-ID: <3020@hoptoad.uucp>
Date: Mon, 21-Sep-87 21:35:40 EDT
Article-I.D.: hoptoad.3020
Posted: Mon Sep 21 21:35:40 1987
Date-Received: Wed, 23-Sep-87 05:19:22 EDT
References: <1045@cive.ri.cmu.edu>
Reply-To: tim@hoptoad.UUCP (Tim Maroney)
Organization: Sun Microsystems, TOPS Division, Berkeley
Lines: 21

In article <1045@cive.ri.cmu.edu> fitz@cive.ri.cmu.edu (Kerien Fitzpatrick)
writes:
>Has anyone looked into externally clocking the AppleTalk port?  [...]
>Is Apple doing
>anything about this or are they just looking at connecting their new models
>to a higher speed network?

It can be done, but it isn't easy.  We at TOPS have had some experiments
along these lines going on for a while; whether they will ever become a
product is unknown at this point.  Our PC Appletalk boards have always had
the ability to run at three or four times speed between themselves and share
the network with slower Appletalk speeds, so we think it would be nice to
have a low-cost attachment that would let Macs do the same.

Unfortunately, Ethernet costs have not been dropping all that fast, and the
SCSI Ethernet board for Kinetics was still mucho expensive last time I
looked.  It would be better just to migrate to Ethernet, as you suggest, but
that won't happen on a large scale until 1989 or 1990.
-- 
Tim Maroney, {ihnp4,sun,well,ptsfa,lll-crg}!hoptoad!tim (uucp)
hoptoad!tim@lll-crg (arpa)