[Coco] 26-3022 Disk Drive and controller

[CoCoList for Color Computer Enthusiasts]

On Friday 09 May 2014 21:02:19 CoCoList for Color Computer Enthusiasts did 
opine
And Gene did reply:
> ----- Original Message -----
> 
> From: "CoCoList for Color Computer Enthusiasts"
> 
> > And Gene did reply:
> >> Greetings all.
> >> 
> >> I also recently bought a Coco2, and understand this
> >> disk drive/controller will will only work with my system using at
> >> least a multi-pak - which I also purchased.  Should I locate
> >> a FD-501 or 502 controller?
> > 
> > On the CoCo2, which does have a 12 volt pin on the expansion port, I
> > think that controller will run with or without the MPI.
> 
> Sorry Gene, they left out the 12 volt supply on the CoCo 2.
> 
Thats what I get for relying on almost 80 yo wet ram.  I have several of 
the old grey ghosts that did have it, and was thinking it was the advent 
of the 3 when they could no longer afford to export those few mills for 
the 26-3022. 
> 
> Yes a later disk controller might be a little more reliable.  26-3029,
> FD-500, FD-501 & FD-502 are all 5 volt units and work as is with the
> CoCo 2 & 3.
> 
So are all the "after market" controllers.

> 
> 
> There is a major hack for the 26-3022 controller to use quad-density
> drives. Although 15 years ago I could not find the parts, let alone a
> 26-3022 controller.

ISTR I have one squirreled away, intended for such a hack, but misslaid 
the round tuit.
> 
> 
> 
> Bruce W. Calkins
> 
> brucewcalkins at charter.net
> 
> 
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Cheers, Gene
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