Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!umich!vela!bbesler
From: bbesler@vela.acs.oakland.edu (Brent Besler)
Newsgroups: comp.sys.ibm.pc
Subject: Re: How do you perform a floppy disk alignment?
Message-ID: <356@vela.acs.oakland.edu>
Date: 14 Mar 90 20:11:59 GMT
References: <6315@alvin.mcnc.org>
Reply-To: bbesler@vela.acs.oakland.edu (Brent Besler)
Distribution: usa
Organization: Oakland University, Rochester MI
Lines: 14

>I have been experiencing problems with my 1.44M floppy disk drive
>(It reads and writes disks that have been formatted in my drive with no
>problems, but if I try a disk that has been formatted in another drive,
>I usually can't even read the directory!)  Does anyone have info as to
>how to check the alignment, or any other suggestions as to what the
>problem might be?

It definitely sound like the head is out of alignment.  The best places I 
know of that realign drives are JB Technolgies in Chattsworth, CA and 
Trax in Chicago.  Both do it for a flate rate of $45.  To align a drive
you need a calibrated alignment disk and a dual-trace oscilliscope.

                                          Brent H. Besler