Xref: utzoo comp.sys.ibm.pc.misc:10611 comp.sys.ibm.pc.hardware:10026 Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!olivea!samsung!sol.ctr.columbia.edu!ucselx!ucsd!sdcc6!crl!hartung From: hartung@crl.ucsd.edu (Jeff Hartung) Newsgroups: comp.sys.ibm.pc.misc,comp.sys.ibm.pc.hardware Subject: Re: Floppies Message-ID: <20804@sdcc6.ucsd.edu> Date: 20 Jun 91 16:30:31 GMT References: Sender: news@sdcc6.ucsd.edu Followup-To: comp.sys.ibm.pc.misc Organization: University of California, San Diego Lines: 26 In article chris@genly.UUCP (Chris Hind Genly) writes: <3 1/2 inch <---------- < < DS DD 80 tracks, 9 sectors/track, 720K formatted, 1M raw < DS HD 80 tracks, 18 sectors/track, 1.44M formatted, 2M raw < DS ED 2.88M formatted, 4M raw, < requires DOS 5.0 and above. < <- DD and HD diskettes have roughly the same coercivities. < <- HD diskettes have a square hole in the plastic casing directly opposite ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ < from the write-protect hole. DD diskettes do not. ...and we all know the trick one can therefore use to format DD 3.5" diskettes at 1.44 Mb, right? :-) Of course, one must take care not to damage the diskette when punching the hole into the plastic casing, and I wouldn't recommend this for anything you don't have a second, more reliable copy of somewhere (i.e., don't use these for hard disk backups, etc. :-) -- --Jeff Hartung-- Disclaimer: My opinions only, etc., etc., BLAH! BLAH! BLAH!... InterNet - hartung@crl.ucsd.edu BITNET - hartung@ucsd UUCP - ucsd!crl.ucsd.edu!hartung