Once again: floppy drives do not have "Motor Enable 0 or 1"; there is only one "Motor Enable", pin 16 IBM's non-standard twisted cable has Motor Enable A and B, but they both refer to the same pin (16), on drive A and B; the twisted cable connects pin 16 of each drive to separate pins on the PC controller. Pin 10 is drive select 0; your drive presumably has pin 12 (DS1) jumpered and grounded in order to work. Could you be using the wrong type of disk? m ----- Original Message ----- From: "William Levak" <wlevak@SDF.ORG> To: <email@example.com> Sent: Friday, September 23, 2016 7:51 PM Subject: Re: Replacement drive mechanism for 1581 > > Partial success. > > I got rid of the "drive not ready error" by disconnecting line 10 (motor > enable 0". Apparently this was handled first, preventing motor enable 1 > from working. > > I can read, but attempting to format a disk gives various read and write > errors. > > > firstname.lastname@example.org > SDF Public Access UNIX System - http://sdf.lonestar.org > > Message was sent through the cbm-hackers mailing list Message was sent through the cbm-hackers mailing listReceived on 2016-09-24 08:00:03
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