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From: jim@applix.UUCP (Jim Morton)
Newsgroups: comp.unix.aix
Subject: Re: Mouse difficulties resolved
Summary: don't plug/unplug mouse with power on!
Keywords: RT/AIX mouse mice
Message-ID: <1030@applix.UUCP>
Date: 5 Feb 90 00:02:38 GMT
References: <4470@brazos.Rice.edu> <720@duteca.UUCP>
Organization: APPLiX Inc., Westboro MA
Lines: 21

In article <720@duteca.UUCP>, knop@dutecaa.uucp (Peter Knoppers) writes:
-> In article <4470@brazos.Rice.edu> tunison@brazos.rice.edu writes:
-> >****************************************************************
-> >An IBM PC/RT running AIX 2.2.1 will NOT recognize an IBM mouse 
-> >plugged into the mouse port until the CPU's power has been
-> >completely turned OFF. Warm reboots will NOT result in the OS 
-> >realizing that a mouse is connected. You must power the machine
-> >up from scratch after plugging that little guy in.
-> >****************************************************************
-> It is even worse than that:
-> Plugging in a mouse or keyboard in an RT while it is powered-up
-> may cause latch-up in the electronics in the mouse/keyboard which
-> can kill your mouse/keyboard within seconds.

It's even worse than worse than that! I've seen two RT *motherboards*
("planar boards) fried because mice were plugged/unplugged when
the system was on. Make sure all your users know not to plug in
or unplug the mouse or keyboard with the system powered up.
--
Jim Morton, APPLiX Inc., Westboro, MA
...uunet!applix!jim    jim@applix.com