Path: utzoo!attcan!uunet!lll-winken!lll-lcc!ames!elroy!cit-vax!tybalt.caltech.edu!wetter
From: wetter@tybalt.caltech.edu (Pierce T. Wetter)
Newsgroups: comp.sys.mac
Subject: Re: Dongles
Message-ID: <6850@cit-vax.Caltech.Edu>
Date: 6 Jun 88 22:21:26 GMT
References: <6179@well.UUCP>
Sender: news@cit-vax.Caltech.Edu
Reply-To: wetter@tybalt.caltech.edu.UUCP (Pierce T. Wetter)
Organization: California Institute of Technology
Lines: 15

In article <6179@well.UUCP> crunch@well.UUCP (John Draper) writes:
>
>DDoes anyone know of a manufacturer that sells hardware locks to protect
>software.    I know it's a NASTY thing to do,   but a friend of mine has
>been bugging me for weeks to post this query to the Networks.   
>
   No, but heres how to make one:
      Get a pal and connect various lines to various lines on the serial port.
(PAL=programmable array logic). Make lines go high or low and read what you
get back.
   Pierce

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wetter@tybalt.caltech.edu     Race For Space Grand Prize Winner.
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   Useless Advice #986: Never sit on a Tack.