Article View: comp.sys.atari.st
Article #29870Re: about ST disk drives (and media change)
From: Lee Dickey
Date: Mon, 28 Dec 1987 17:49
Date: Mon, 28 Dec 1987 17:49
27 lines
1529 bytes
1529 bytes
Thank you, Alan, for the informative answer, which raises another question... In article <914@atari.UUCP> apratt@atari.UUCP (Allan Pratt) writes: > >The media-change sensing is done using the write-protect signal from the >drive. ... > >When a disk is in the "maybe changed" state, the next access (through >RWABS or maybe Floprd) will check the serial number of the disk in the >drive. If it hasn't changed, then the disk hasn't changed, either. >This is another assupmtion: you should not have two disks with the same >serial number. > ... What is the "serial number" you mention? I have seen no mention of it before. I have noticed something called "disk label" that comes up when I ask it to "SHOW INFO". Is *that* the "serial number"? How can I be sure that no two disks have the same serial number? -- L. J. Dickey, Faculty of Mathematics, University of Waterloo. ljdickey@watmath.UUCP UUCP: ...!uunet!watmath!ljdickey ljdickey%water@waterloo.edu ljdickey@watdcs.BITNET ljdickey%water%waterloo.csnet@csnet-relay.ARPA
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!lll-winken!lll-lcc!rutgers!clyde!watmath!water!ljdickey From: ljdickey@water.waterloo.edu (Lee Dickey) Newsgroups: comp.sys.atari.st Subject: Re: about ST disk drives (and media change) Message-ID: <1319@water.waterloo.edu> Date: 28 Dec 87 17:49:38 GMT References: <8712211937.AA01474@ucbvax.Berkeley.EDU> <914@atari.UUCP> Reply-To: ljdickey@water.waterloo.edu (Lee Dickey) Organization: U. of Waterloo, Ontario Lines: 26