[Coco] Weird CoCo3 problem - AAAARRRGGGGGHHHHH!!!!

[Robert Gault]

Brian Blake wrote:
> Hi John,
>
> When I posted that, it meant that I had not inserted the FDC at that point. I was unclear on that I guess. When I insert the controller, I get the 'Disk Extended...' screen as one would expect. I just get no response from the disk system when disk commands are issued - and yes, the drive is powered on, lol. This is the most perplexing issue I've run into in a long time...
>
> I've had to put it to the side for a bit since I have a client's server I'm working on right now. I'll be getting back to it tomorrow afternoon, hopefully my head will have cleared and a few other guys will pop in with ideas of where to look.
>
>

Brian,
Refresh my memory. Are you using a controller that needs +-12v on a 
Coco3 or is it a 5v controller?