Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!seismo!rutgers!ames!ptsfa!ihnp4!inuxc!iuvax!bsu-cs!zoo-hq!magpie!samperi From: samperi@magpie.UUCP (Dominick Samperi) Newsgroups: comp.sys.ibm.pc Subject: Absolute floppy disk sector read/write Message-ID: <120@magpie.UUCP> Date: Thu, 20-Aug-87 10:12:42 EDT Article-I.D.: magpie.120 Posted: Thu Aug 20 10:12:42 1987 Date-Received: Sun, 23-Aug-87 13:00:55 EDT Organization: Roxy Recorders / Magpie-HQ, New York Lines: 11 It seems that the DOS interrupt 0x25 (absolute disk sector read) can only be used to read the first 720 sectors on a high density floppy (installed in the high density drive of an AT). I've had to use the bios disk service 2 in order to read all 2400 sectors. Is this a DOS bug? -- Dominick Samperi Manhattan College ...!{ihnp4|seismo|rutgers|philabs}!cmcl2!manhat!samperi ...!{ihnp4|seismo}!{pur-ee|iuvax}!bsu-cs!zoo-hq!magpie!samperi