Path: utzoo!attcan!uunet!cs.utexas.edu!sun-barr!decwrl!hplabs!hp-ses!hpcuhb!hpcllla!hpclisp!hpclkms!ken
From: ken@hpclkms.HP.COM (Ken Sumrall)
Newsgroups: comp.sys.atari.8bit
Subject: Hardware modifications to the XL
Message-ID: <1270020@hpclkms.HP.COM>
Date: 26 Sep 89 21:33:34 GMT
Organization: Hewlett-Packard Calif. Language Lab
Lines: 18

I have made several modifications to my 600XL and 800XL, and I was
contemplating posting instructions on how to do the mods to USENET.  The
mods that I have done are:
     1. COLD-RESET button on the XL (and presumably the XE, though I haven't
	tried it.)
     2. Video monitor jack on the 600XL (includes composite video, composite
	luminance, and audio, but no composite chrominance.  However, on
	my monitor, I have seperate chrominance and luminance inputs, and I
	run the composite video output into the composite chrominance input
	with out any problems.)
     3. Simple 64K upgrade for 600XL.  (Requires 2 RAM chips, and 3 wires.)

If anyone is interested in these mods, send me mail, and if there is
sufficient interest, I will post instructions to the net.

Ken "Still hacking on my Atari" Sumrall
INET: ken%hpda@hplabs.hp.com
UUCP: ...!hplabs!hpda!ken