Reusing old floppy *drives*

Liam Proven lproven at
Tue Mar 23 13:58:26 CDT 2010

On Tue, Mar 23, 2010 at 6:31 PM, Pete Turnbull <pete at> wrote:
> On 23/03/2010 17:35, Chuck Guzis wrote:
>> As far as select--while it's nice to have a drive with select jumpers,
>> it's also possible to take an inexpensive drive that's permanently wired as
>> DS1 and simply swap the DS1 and DS0 lines at the connector--not exactly the
>> "IBM PC twist", because you want to leave the motor conrol pins as-is.  So
>> the "twist" to get a DS1-only drive to recognize DS0 would be the 3-wire
>> bundle 12-13-14.
> Er, no, DS0 is pin 10 so it would be 10-11-12.  The "IBM twist" swaps DS1
> (Device Select B, in IBM parlance) and DS2 (Device Select A) rather than DS0
> and DS1, and additionally swaps MotorOn with DS0.

Thanks, both!

I have a few bare drives knocking around, some of which are, I hope,
elderly enough that they have DS jumpers. If not, I don't think I
fancy trying to make this cable up... 8¬(

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