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From: KDM101@psuvm.psu.edu (Kevin Maher)
Newsgroups: comp.sys.ibm.pc.misc
Subject: Re: Drive Help
Message-ID: <90343.010956KDM101@psuvm.psu.edu>
Date: 9 Dec 90 06:09:56 GMT
References: <7065@plains.NoDak.edu>
Organization: Penn State University
Lines: 26

The resistor in question is called a terminating resistor.  Now, as far as
I know, the resistor was only used on the original PC/XT systems.  The
cable that connected the floppies was a simple straight ribbon.  The resistor
was used to "tell" the controller that the drive with the resistor was the
A drive.  (at least on a true IBM PC . the B drive is the first drive on the
cable and the A is the last)  On the AT computer however, the floppy cable
was designed with a few wires twisted.  This twist is what determined which
drive was A or B.

If you're using this drive in a computer with a simple straight ribbon cable,
you will need to find a group of jumpers near the connector.  Put a jumper
over the pins for DS1 for drive A or DS2 for drive B.  On an AT, I guess all
you need to do is put it on DS1 and the cable does the rest.


      If somebody out there knows that this is wrong, please tell me.
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