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Path: darkstar.ucsc.edu!hermit
From: hermit@cats.UCSC.EDU (William R. Ward)
Newsgroups: comp.sys.cbm
Subject: Re: CBM PET 3032 information wanted
Date: 06 Sep 1995 07:22:08 GMT
Organization: Computing and Telecommunications Services, UCSC
Message-ID: <HERMIT.95Sep6002208@ese.UCSC.EDU>
References: <421bvb$3ij@tuegate.tue.nl> <42bq1a$n34@news.cc.utah.edu>
<1995Sep3.124405@nyssa.swt.edu> <42ejke$i3r@news.cc.utah.edu>
<42hvv3$54m@tuegate.tue.nl>
NNTP-Posting-Host: ese.ucsc.edu
In-reply-to: martijnb@stack.urc.tue.nl's message of 5 Sep 1995 17:04:35 GMT
In article <42hvv3$54m@tuegate.tue.nl>, martijnb@stack.urc.tue.nl
(Martijn van Buul) writes:
) Well, the expansion port doesn't exist on a PET, the IEEE 488 port doesn't
) have a resetline capable of reseting the computer, and the User port
) doesnt have a resetline. I've spot a "diagnostic request" though.. I guess
) it's hooked up to the NMI, causing a jump into the system's monitor.
) There's a system bus inside the PET, but I don't got a pinout of it. I guess
) it has a resetline, but...
No expansion port or equivalent? That surprises me. The KIM-1 has
two ports which are very much analagous in function to the VIC, 64,
128, etc. user and expansion ports, and I've always assumed that the
intervening machines also had such ports.
--Bill.
--
William R Ward ** hermit@cats.ucsc.edu ** hermit@bayview.com
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COPYRIGHT(C) 1995 William Ward. Not for distribution via Microsoft Network.