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Date:      Wed, 12 Feb 1997 19:51:30 -0800 (PST)
From:      John-Mark Gurney <jmg@nike.efn.org>
To:        Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
Cc:        terry@lambert.org, freebsd-current@freebsd.org
Subject:   Re: moused on notebooks... 
Message-ID:  <Pine.BSF.3.95q.970212194731.24299o-100000@hydrogen.nike.efn.org>
In-Reply-To: <199702130344.MAA23897@zodiac.mech.utsunomiya-u.ac.jp>

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On Thu, 13 Feb 1997, Kazutaka YOKOTA wrote:

> In fact, plugging/unplugging the PS/2 mouse, or the keyboard, while your
> system's power is on is really, really a bad idea. Your keyboard
> controller can easily be fried by the noise caused at the connector.  I
> know a couple of poor guys who learned this in a hard way... 

ouch...  but that still doesn't prevent me from removing the mouse while
the computer is suspended...  then resuming the machine...  then
suspending the machine... then reattaching the mouse... and resuming
again...  (actually this is quite common as I normally use text mode...
and it's really anoying to have to have the mouse hanging off the side :)
)...  but when I want to use X I kinda need a mouse :)

> Maybe some notebook/laptop computers may have an safe-guarded
> circuitry and allow this sort of action. I strongly recommend you to
> consult the manual of your notebook and find if it is really OK to
> attach/detach the PS/2 mouse on the fly.

true... but in the stated above example... simply having the notebook on
when the mouse isn't attach will cause this mouse to freeze...  then when
the mouse is back I still have to restart moused before I can use the
mouse...

and thanks for the info about the noise... I kinda knew that it was
possible...  as I have some friends that are mac users... and they know
this lesson VERY well :)...  ttyl..

John-Mark

gurney_j@efn.org
http://resnet.uoregon.edu/~gurney_j/
Modem/FAX: (541) 683-6954   (FreeBSD Box)

Live in Peace, destroy Micro$oft, support free software, run FreeBSD (unix)




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