Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!unido!mpirbn!p554mve From: p554mve@mpirbn.UUCP (Michael van Elst) Newsgroups: comp.sys.amiga Subject: Re: Virus Summary: Keywords: Thank God it's impossible! Message-ID: <890@mpirbn.UUCP> Date: 10 Apr 90 17:16:54 GMT References: <1990Apr3.113209.2051@iesd.auc.dk> <6368@rouge.usl.edu> <3322@umn-d-ub.D.UMN.EDU> <14876@s.ms.uky.edu> Reply-To: p554mve@mpirbn.UUCP (Michael van Elst) Organization: Max-Planck-Institut fuer Radioastronomie, Bonn Lines: 14 Expires: In article <14876@s.ms.uky.edu> sam@ms.uky.edu (Michael W. Mills) writes: >Actually, you CAN write to a write protected disk on a C64 (and 1541 >disk drive)...you've got 1K (I think, its been a while) in which you >can write a program that calls the write routine (which is in ROM) >after it checks for the write protect switch. Must be an other 1541 than mine. There is a small path where the signal from the phototransistor that senses the write-protect tab to the write amplifiers that drive the read/write head. It efficiently shuts up any writing. -- Michael van Elst p554mve@mpirbn.mpifr-bonn.mpg.de