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Path: utzoo!decvax!tektronix!uw-beaver!ssc-vax!clark
From: clark@ssc-vax.UUCP (Roger Clark Swann)
Newsgroups: net.micro.atari8
Subject: H/W Help needed for 600XL
Message-ID: <814@ssc-vax.UUCP>
Date: Fri, 1-Aug-86 11:39:54 EDT
Article-I.D.: ssc-vax.814
Posted: Fri Aug  1 11:39:54 1986
Date-Received: Sat, 2-Aug-86 05:33:52 EDT
Distribution: na
Organization: Boeing Aerospace Co., Seattle, WA
Lines: 28

*** Food for line muncher ***

I am looking for electrical schematics and technical information on
the Atari 600XL machine. I have checked SAMS Compufacts and they DON'T
publish  a package for the 600XL. The nearest thing they have is for
the 800XL machine.

How close are the 800XL and 600XL machine? I believe that the firmware
in the two machines is very close. The hardware seems very close except
for the memory (64K vs 16K) and the video monitor connections ....
How good an assumption is this???

Has anyone tried to use the SAMS 800XL info to work on a 600XL unit?

So does anyone know of another source for this type of information?

Specifically, I want info on how to interface to the machine...

1) Some analog type sensors (primarily temperature)... Can this be
   done through the joy-stick ports, with the A to D conversion do
   internal to the 600XL ?

2) Misc digital signals (both input and output) to be connected to 
   one of the user busses, (I don't know which one would be best).

Thanks for any info or ideas ....

Roger	->  ssc-vax!clark