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From: coffee@aero.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: DOS patch to default "echo off"
Message-ID: <8878@aero.ARPA>
Date: Fri, 20-Mar-87 13:39:33 EST
Article-I.D.: aero.8878
Posted: Fri Mar 20 13:39:33 1987
Date-Received: Sun, 22-Mar-87 22:59:45 EST
References: <5792@mimsy.UUCP> <3350@iuvax.UUCP>
Reply-To: coffee@aero.UUCP (Peter C. Coffee)
Organization: The Aerospace Corporation, El Segundo, CA
Lines: 12
Summary: Look for A0 CA 0A 24 01 50 E8 96 00, change 01 to 00

In article <3350@iuvax.UUCP> bobmon@iuvax.UUCP (RAMontante) writes:
>So, does anyone have an "echo off" patch that will work with Zenith's MSDOS
>v3.1?  Even more important (to me), can anyone supply some context for this
>patch?

I have found the series shown in the summary in the COMPAQ DOS shipped with
both the DeskPro 286 and the 386; the indicated change works on both. I
don't know for sure how much of the context is necessarily the same, but
this should help you bracket in. Search between offsets 1800 and 2000
to start (assuming you use DEBUG and that the beginning is therefore at 100).

Good luck -- Pc^2