Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!usc!snorkelwacker.mit.edu!bloom-beacon!eru!hagbard!sunic!mcsun!ukc!mucs!p4.cs.man.ac.uk!charlesw From: charlesw@p4.cs.man.ac.uk (William Charles.) Newsgroups: comp.sys.acorn Subject: Re: Floppy disks Keywords: floppy disks, FDC, etc Message-ID: Date: 19 Mar 91 14:19:13 GMT References: Sender: news@cs.man.ac.uk Lines: 8 High density 1.2Mb disks ARE completely different from normal disks - It's a similar situation to audio tapes - You shouldn't use a metal tape on a deck that isn't designed for them - It can damage the heads... As for Mac disks, it's true that the disk is spun at variable speeds as the head moves from centre to edge... Will.