Path: utzoo!attcan!uunet!tut.cis.ohio-state.edu!pt.cs.cmu.edu!rochester!uhura.cc.rochester.edu!ttak
From: ttak@uhura.cc.rochester.edu (Timothy Takahashi)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Re: Making a floppy drive ignore high density hole
Message-ID: <8533@ur-cc.UUCP>
Date: 22 Jul 90 22:08:42 GMT
References: <11547@ingr.com> <1990Jul19.021714.10040@world.std.com> <803@digi.lonestar.org> <NELSON.90Jul21183922@image.clarkson.edu> <1990Jul22.015706.16479@agate.berkeley.edu>
Reply-To: ttak@uhura.cc.rochester.edu (Timothy Takahashi)
Organization: University of Rochester
Lines: 14

In article <1990Jul22.015706.16479@agate.berkeley.edu> joonsong@monsoon.Berkeley.EDU (Joon Song) writes:
>
>The source of the problem that make 3.5" disks unreadable is the disk
>controller.  Most HD/FD controllers insist on using the hole detector on
>the 3.5" disk drives to determine whether the disk is high density or
>double density.  The most notable among these is the Western Digital 
>controllers.  This can be considered a feature or an annoyance depending
>on your point of view.

What about using the disk formatter that is part of PC-TOOLS. It allows me to
format 160k,180k,320k,360k and 1.2mb 5-1/4 disks. Perhaps it will let you
format 720k 3-1/2" disks in a 1.44mb drive.

tim