Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!oakhill!toms
From: toms@oakhill.UUCP (Thomas Spohrer)
Newsgroups: comp.sys.ibm.pc
Subject: Turning off power to a hard disk
Keywords: hard disk
Message-ID: <2834@vitus.oakhill.UUCP>
Date: 17 Jan 90 19:52:17 GMT
Organization: Motorola Inc. Austin, Tx
Lines: 25


    I have an original IBM-PC with an after-factory Western Digital
controller and a CMI 20MB hard disk.  When I purchased it I had a
real need for the HD but due to $$$ constraints I bought the cheapest
one I could find (read: ITS NOISY!).  Now I rarely need the harddisk because
the computer is mainly used as a terminal and for light word processing.
What would be ideal would be a separate power switch on the HD such
that it did not need to be spinning when its not being used.

    Question:  Is it OK to simply put a toggle switch on the +12 volt
               line to the disk but not make any changes to the logic
               power to the disk or controller ?  (It would be acceptable
               to have to reboot to enable the HD again).

    Please email responses since due to the volume of messages in this
newsgroup I rarely get to read them.

Thanks in advance


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Thomas Spohrer    UUCP: {harvard,utah-cs,gatech}!cs.utexas.edu!oakhill!toms
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