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From: turtle@darkside.com (Fred Waller)
Newsgroups: comp.virus
Subject: Auto-scanning Virus Vaccine? (PC)
Message-ID: <0013.9101161910.AA06668@ubu.cert.sei.cmu.edu>
Date: 16 Jan 91 03:16:46 GMT
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Approved: krvw@sei.cmu.edu

> Only one problem with that idea: How can the machine tell when a disk
> is inserted?  There isn't any type of sensor in IBM floppy drives like
> in the Mac.

But yes they do have it: it's called the changeline. I have a little
continuous formatting program which senses when a diskette has been
inserted and automatically starts the format operation without any
need for keypresses.