5-1/4' drive on modern PC

From: Dwight K. Elvey <dwight.elvey_at_amd.com>
Date: Fri Dec 10 16:09:41 2004

>From: "Tom Peters" <tpeters_at_mixcom.com>
>
>There was an attempt to "simplify" connection of multiple floppy drives
>(meaning TWO) at one time by adding a "twist" to the cable-- some
>conductors in the ribbon are cut out and reversed, which is a sort of
>"cable select" for floppy drives.
>
>I seem to recall in this case that one would jumper both drives as drive A
>in such a case, or as DS0.
>
>Stupid idea. Use a straight thru floppy cable and jumper one for DS0 and
>one for DS1. We get it.
>
>If you intermingle the two drive select ideas you may have problems where
>both or niether drives light up and niether can read.
---snip---
Hi
 As I recall, the two drives with the twist were actually
DS0 and DS2 as seen by the controller. If using a straight
cable, one had to skip DS1.
Dwight
Received on Fri Dec 10 2004 - 16:09:41 GMT