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- From: oldach@Informatik.TU-Muenchen.DE (Oliver Oldach)
- Subject: Re: way to power off my PC.
- Originator: oldach@hphalle6i.informatik.tu-muenchen.de
- Sender: news@Informatik.TU-Muenchen.DE (USENET Newssystem)
- Organization: Technische Universitaet Muenchen, Germany
- Date: Fri, 6 Nov 1992 11:31:05 GMT
- Message-ID: <1992Nov6.113105.13714@Informatik.TU-Muenchen.DE>
- Distribution: world
- Lines: 18
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- Hi Fiona,
-
- all you need is any means to signal any outside hardware you want to
- pull the plug! You could use a special I/O card using the IC8255 chip
- to provide you with extra ports, but much easier would be if you
- use one of your com ports and utilize i.e. the DSR (data set ready) line.
- The state of the line can be controlled directly by setting/resetting
- the corresponding bits at the I/O port adress.
-
- The outside hardware could probably be realized with a couple of resistors,
- a transistor and a relay for switching the computer off.
-
-
- Oliver
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