[Coco] tandy 1000 ex/hx external 720k drive to use on coco

Fri Jun 19 23:30:59 EDT 2015

No, you need a power supply from a drive, like the Coco drives. There is a standard adapter that will adapt to the proper plug. I have 2 or three I use. I got them out of old PCs that had been equipped with 5.25 drives but were set up for 3.5 drives. There is no room in that case for the power supply (IIRC). I was using mine as a "3rd" drive so I had a Coco drive setting next to it that I put a splitter on the porew cable and ran one to the case. I had an old PC ribbon cable that had both 3.5 & 5.25 drive headers so I used that as well.

Bill Pierce
"Charlie stole the handle, and the train it won't stop going, no way to slow down!" - Ian Anderson - Jethro Tull

My Music from the Tandy/Radio Shack Color Computer 2 & 3
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-----Original Message-----
From: Josh Harper via Coco <coco at maltedmedia.com>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Cc: Josh Harper <allencoco at yahoo.com>
Sent: Fri, Jun 19, 2015 9:28 pm
Subject: Re: [Coco] tandy 1000 ex/hx external 720k drive to use on coco

is there anyway to hook up a power adapter that plugs into the wall
      From:
Bill Pierce via Coco <coco at maltedmedia.com>
 To: coco at maltedmedia.com 
Cc: Bill
Pierce <ooogalapasooo at aol.com> 
 Sent: Friday, June 19, 2015 7:23 PM
 Subject:
Re: [Coco] tandy 1000 ex/hx external 720k drive to use on coco

The external
drive he is referring to has the standard 3.5 4 pin plug (internally) and all it
needs is an adapet to the larger 4 pin used on Coco 5.25 drives. The ribbon
cable should be fine, it just needs a 3.2 connector pressed on.

I had one of
these drives and it took me about  15 mins to hook it up. You just remove all
the T-1000 crap internally, then it's a standard 3.5 drive with no power
supply.

Bill Pierce
"Charlie stole the handle, and the train it won't
stop going, no way to slow down!" - Ian Anderson - Jethro Tull

My Music from
the Tandy/Radio Shack Color Computer 2 &
3
https://sites.google.com/site/dabarnstudio/
Co-Contributor, Co-Editor for
CocoPedia
http://www.cocopedia.com/wiki/index.php/Main_Page
Global Moderator for
TRS-80/Tandy Color Computer Forums
http://www.tandycoco.com/forum/

E-Mail:
ooogalapasooo at aol.com

-----Original Message-----
From: Bruce W. Calkins
<brucewcalkins at charter.net>
To: CoCoList for Color Computer Enthusiasts
<coco at maltedmedia.com>
Sent: Fri, Jun 19, 2015 5:00 pm
Subject: Re: [Coco] tandy
1000 ex/hx external 720k drive to use on coco

The 4 pin connector (many Tandy
1000's did not have one and shunted power

through the ribbon cable.) should be
the standard 3.5" floppy power 
connector.
A picture and model numbers might
help identify the drive.  On 
the Tandy floppy
drives without the 4 pin
connector some of the ground lines 
carried the power
and traces needed to be
cut and power lines tapped in. 
Not an easy project
unless you are proficient
reading schematics and/or 
tracing PCBs.  I converted
one 720k 3.5” Tandy 1000
drive about 20 years 
ago and would not bother doing
another.  Although 1.44M
3.5” are getting 
hard to find nowadays.

Bruce
W.

----- Original Message
----- 

From: "Josh Harper via Coco"

> I have
a tandy 1000 ex/hx external
720k floppy drive that I want to 
> convert to coco
use
> ive taken out the pcb
that was in the case that was hooked up to the
drive
> I have the ribbon cable
to hook to the drive and the coco
> my issue is
I need to know how to get power
to the drive,the power 
> connector is a 4 pin
connector
> thanks guys for all
ur help
>
> --

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