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From: TYSON@SRI-AI.ARPA (Mabry Tyson)
Newsgroups: net.micro.atari8
Subject: Re: Atari 8-bit O/S and Hardware Manuals
Message-ID: <860414180559.9.TYSON@SRI-BISHOP.ARPA>
Date: Mon, 14-Apr-86 21:05:00 EST
Article-I.D.: SRI-BISH.860414180559.9.TYSON
Posted: Mon Apr 14 21:05:00 1986
Date-Received: Wed, 16-Apr-86 04:16:28 EST
References: <8604140553.AA13389@mitre-bedford.ARPA>
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
Lines: 9

In case you're interested, Sams Photofacts (long known to radio and TV hackers
and repair people) now does various computers.  It has both the 400 and 800.
I don't know if it has info on the XE versions.  Typically, it would show
oscilliscope readings at various points, voltages, part numbers, etc.
It is intended to be an aid in figuring out why machines don't work properly.
Cost is $19.95.  Should be available from many electronics shops.

That may not be what you are interested in, but since I hadn't every seen it
mentioned on INFO-ATARI8, I thought I'd bring it up...