Path: utzoo!attcan!uunet!cs.utexas.edu!sdd.hp.com!zaphod.mps.ohio-state.edu!unix.cis.pitt.edu!dsinc!netnews.upenn.edu!eniac.seas.upenn.edu!barron From: barron@eniac.seas.upenn.edu (Daniel P. Barron) Newsgroups: comp.sys.ibm.pc Subject: Re: 1.44mb floppy data format Message-ID: <25635@netnews.upenn.edu> Date: 2 Jun 90 13:55:53 GMT References: <91800005@modcomp> Sender: news@netnews.upenn.edu Reply-To: barron@eniac.seas.upenn.edu.UUCP (Daniel P. Barron) Organization: University of Pennsylvania Lines: 50 In article <91800005@modcomp> dan@modcomp.UUCP writes: >I'm looking for information on the format of the 1.44 mb 3 1/2" floppy. >This includes: >media descriptor >sectors per cluster >number of FATs >sector per FAT >number of clusters >etc, etc, etc. I'm not sure if this helps, but I popped a 1.44MB disk in drive A: and ran Norton's Disk Information program. It looks like the information you requested. C:\UTIL\NORTON>di a: DI-Disk Information, Advanced Edition, (C) Copr 1987, 1988, Peter Norton Information from DOS Drive A: Information from the boot record ------------------------------------------------------------------------------ system id 'IBM 3.3' media descriptor (hex) F9 0 drive number 0 unit within driver 512 bytes per sector 512 2 sectors per cluster 2 1 reserved sectors 1 2 number of FATs 2 112 root directory entries 112 3 sectors per FAT 3 713 number of clusters number of sectors 1,440 1 offset to FAT 7 offset to directory 14 offset to data sectors per track 9 sides 2 hidden sectors 0 db _______________________________Daniel Barron__________________________________ | E-mail: barron@wharton.upenn.edu "Hunger only for a taste of justice, | barron@eniac.seas.upenn.edu Hunger only for a word of truth." | barron@scrolls.wharton.upenn.edu --Tracy Chapman | USMail: Suite 1400, 3620 Locust Walk _____________________________________|_________Philadelphia, PA 19104________