Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!unmvax!deimos.cis.ksu.edu!uxc!uxc.cso.uiuc.edu!zaphod!mahan
From: mahan@zaphod.ncsa.uiuc.edu
Newsgroups: comp.sys.mac
Subject: Re: Mac clone rumor (long)
Message-ID: <600039@zaphod>
Date: 23 May 89 17:12:00 GMT
References: <20335@uflorida.cis.ufl.EDU>
Lines: 5
Nf-ID: #R:uflorida.cis.ufl.EDU:20335:zaphod:600039:000:297
Nf-From: zaphod.ncsa.uiuc.edu!mahan    May 23 12:12:00 1989


I don't know what method CEKA is using to protect their roms, but one
possible way is to have just a few memory addresses trigger the wipe.  Since
a typical rom copy routine is going to read every address.  Since we don't
know which addresses ( or block of addresses ) would trigger the wipe....