Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!wuarchive!psuvax1!psuvm!bhb3
From: BHB3@PSUVM.BITNET
Newsgroups: comp.sys.ibm.pc
Subject: Re: 1.2 meg floppy on XT help
Message-ID: <89347.141745BHB3@PSUVM.BITNET>
Date: 13 Dec 89 19:17:44 GMT
References: <5715@mentor.cc.purdue.edu> <31290@iuvax.cs.indiana.edu>
 <20557@pasteur.Berkeley.EDU>
Distribution: usa
Organization: Penn State University
Lines: 37

In article <20557@pasteur.Berkeley.EDU>, wooters@icsib13.berkeley.edu (Chuck
Wooters) says:
>
>Hello-
>
>I need a bit of advice on installing a 1.2 Meg drive on
>my XT.  I have a 360k drive now and I want to put in a 1.2
>Meg as drive A, with the 360k as drive B.
>
>My floppy controller is on the same card as the clock/calendar,
>the serial port and etc (i.e. the hard disk controller is
>separate from the floppy disk controller.)
>
>There is a cable connected to the back of the floppy disk
>controller.  The cable has two adapters on it.  One of the
>adapters has a twist in the wire, the other one doesn't.  (I
>think the one with the twist is for drive A).
>I connected the adapter with the twisted wires to
>the 1.2 meg and the other adapter to the 360k.
>
>The problem is that I get a general failure when I try to read
>from the 1.2 Meg (drive A).  If I try to get a directory from
>the 360k (drive B), it tries to read from the 1.2 Meg.  The
>light never goes on on the 360k drive.
>
>I hope this explanation is clear.  Thanks in advance for
>your help.
>
>-Chuck Wooters
>wooters@icsi.berkeley.edu

The specific difference between controllers that will handle 1.2M and 1.44M
floopy drives and those that won't is the data transfer rate.  You will need
a new controller.


                                          Brent H. Besler