Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!lll-crg!ames!cit-vax!news From: news@cit-vax.Caltech.Edu (Usenet netnews) Newsgroups: comp.sys.amiga Subject: Re: controlling the Amiga drive Message-ID: <1374@cit-vax.Caltech.Edu> Date: Thu, 18-Dec-86 20:31:18 EST Article-I.D.: cit-vax.1374 Posted: Thu Dec 18 20:31:18 1986 Date-Received: Fri, 19-Dec-86 02:54:26 EST References: <8612180643.AA23822@cory.Berkeley.EDU> Reply-To: tim@tomcat.caltech.edu (Tim Kay) Organization: California Institute of Technology Lines: 28 Summary: I doubt RLL could work on floppies Organization : California Institute of Technology Keywords: RLL From: tim@tomcat.Caltech.Edu (Tim Kay) Path: tomcat!tim dillon@CORY.BERKELEY.EDU (Matt Dillon) writes: > > On the same topic, does anybody know the RLL encoding scheme is >viable on floppies? I have yet to get my hands on RLL documentation, but >I've heard it can be implemented on drives which support MFM encoding. There are several new cards for the IBM PC that support RLL on many of the drives that are now used with MFM. However, the new RLL cards won't even work with the standard 10 Mbyte XT drives. It has something to do with requiring thin-film plating, or something else technical. Therefore, I doubt it will work on floppies. Secondly, is 800K --> 1200K all that significant? Also consider that RLL often slows disk access down? All of my (vague) information comes from reading reviews in PC, PC World, etc. Timothy L. Kay tim@csvax.caltech.edu Department of Computer Science Caltech, 256-80 Pasadena, CA 91125