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From: julian@ecsvax.UUCP
Newsgroups: net.micro
Subject: Re: Q: Turning machines on/off frequently
Message-ID: <3279@ecsvax.UUCP>
Date: Thu, 20-Sep-84 21:44:27 EDT
Article-I.D.: ecsvax.3279
Posted: Thu Sep 20 21:44:27 1984
Date-Received: Wed, 26-Sep-84 02:11:43 EDT
References: sri-arpa.13200
Lines: 17

I never imagined such voluminous reponse to a simple question, but there must be
some controversy about powering down.  Bad air conditioning and no-reset-key on
the IBM PCs favor frequently power-downs.  But, the harm in power-downs
seems to be the spikes and voltage transients originating from or harming the
power supply.  But what if the electrical lines are conditioned and free of
spikes and transients?  Then would it be safe(r) to power down often?
Many sites have conditioned lines, and many micros are equipped with electronic
filters.  The implied culprit is a trashy power supply (is there no such thing
as clean power?).

Now, we have time to talk about questions like power-down sequences.  Which one
do you turn off/on first -- CRT, disk, computer, modem, ... -- and what effect
does it have on the equipment?

Phil Julian             mcnc!ecsvax!julian

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