Coco disk controller (was: Re: How did you get started?

From: Charles P. Hobbs <transit_at_primenet.com>
Date: Fri Apr 11 10:12:54 1997

On Fri, 11 Apr 1997, A.R. Duell wrote:

> > I still want to find a disk system for my CoCo-3 so that I can run OS-9 on
>
> I assume you realise that a CoCo2 disk drive + controller will work.
> That's what I currently use.
>
> The very first CoCo disk controller needed a -12V line for the main
> controller chip (1793?), and won't work in later CoCo's unless you add an
> external PSU. This is possible, though.

I remember getting one of these earlier disk controllers, and running a
wire from the disk drive's 12V power supply to one of the pins on the
controller cartridge. (I still have this, and can dig-it-out if needed .
..)
Received on Fri Apr 11 1997 - 10:12:54 BST