AWCTTYPA@UIAMVS.BITNET ("David A. Lyons") (02/16/89)
>Date: Tue, 14 Feb 89 02:10:25 GMT >From: Bob Sherman <umigw!umbio!bsherm@HANDIES.UCAR.EDU> >Subject: Re: protecting hard drives >There is a DA available for the GS written by Glen E Bredon that will >write protect ALL devices at the same time. This included the RAM5 as >well as hard drives etc. I don't know all where it is available, but >I do know it is in the download section of Miami's Big Apple. That DA works only with ProDOS 8. It can be useful, but it's not as good as hardware write-protection: it can be bypassed if a program goes right to the ProDOS entry points of the slots (calls Cn00+(CnFF) with a WriteBlock command + block number on zero page). > Internet -- bsherm%umbio@umigw.miami.edu > UUCP -- {uunet!gould}!umbio!bsherm > Miami's Big Apple 305-948-8000 1200 baud 24 hours 8 years online --David A. Lyons bitnet: awcttypa@uiamvs DAL Systems CompuServe: 72177,3233 P.O. Box 287 GEnie mail: D.LYONS2 North Liberty, IA 52317 AppleLinkPE: Dave Lyons