[Coco] floppy drive question - only a little OT

[Bob Devries]

Robert,

The 1000 HX supplies +12v and +5v one some pins that are *normally* ground 
pins. I can't remember exactly which pins, but IIRC it was fairly easy to 
determine by looking at the PCB of the drive near the cable connector.

Regards, Bob Devries
Dalby, QLD, Australia

----- Original Message ----- 
From: "Robert Hermanek" <rhermanek at centurytel.net>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Friday, July 19, 2013 11:28 AM
Subject: [Coco] floppy drive question - only a little OT


> Since my recent success with 3.5" on my coco3 (thank you everyone) I 
> decided to open up my Tandy 1000 HX and see what kind of floppy it has.  I 
> know it is a standard 720k floppy in terms of software, but when I looked 
> in the case I've got this:  what appears to be a perfectly normal floppy 
> drive, with 34 pin cable attached, and no power cable on the 4 pin power 
> connector.  Floppy works fine of course -- is it an option I was unaware 
> of for floppy drives to receive power via the 34 pin ribbon cable itself? 
> I was going to stick a second drive in there, but there is no 4 pin power 
> cable available...
>
> Just a little mystery.
>
> -RobertH
>
>
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