Re: Sun-3 ASCII console problem

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Article #11625

#11625

From: Mike Raffety
Date: Wed, 22 Mar 1989 19:14

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Rather than doing something with HARDWARE ... why not try a software
solution.  Try this adb patch on your Sun-3 kernel (tested on 3.2 and
3.5):

# Patch to disable the BREAK key and L1-A in one fell swoop
adb -w -k /vmunix /dev/mem << EOF
montrap?w0x4e75
montrap/w0x4e75
EOF

This patch also allows you to turn off and/or disconnect the console, too.
The functionality of halting the CPU is still provided by the little white
watchdog reset button on the CPU board.  Disabling IT would require
cutting traces on the CPU board (which HAS been considered, since it's
dangerously close to the Ethernet connection on a Sun-3/260).

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!utstat!jarvis.csri.toronto.edu!mailrus!cornell!uw-beaver!rice!sun-spots-request
From: oconnor!porsche!miker@oddjob.uchicago.edu (Mike Raffety)
Newsgroups: comp.sys.sun
Subject: Re: Sun-3 ASCII console problem
Keywords: SunOS
Message-ID: <8903101457.AA16418@porsche>
Date: 22 Mar 89 19:14:18 GMT
Sender: usenet@rice.edu
Organization: Sun-Spots
Lines: 15
Approved: Sun-Spots@rice.edu
Original-Date: Fri, 10 Mar 89 08:57:04 CST
X-Sun-Spots-Digest: Volume 7, Issue 204, message 4 of 13