[Coco] 26-3022 Disk Drive and controller

[CoCoList for Color Computer Enthusiasts]

On Saturday 10 May 2014 11:25:19 CoCoList for Color Computer Enthusiasts 
did opine
And Gene did reply:
>  ----- Original Message -----
> 
> From: " Bruce W. Calkins"
> 
> >> 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.
> >> 
> >> > And Gene did reply:
> > So are all the "after market" controllers.
> 
> One caveat; I have one third party controller (using some other
> controller chip set) that does not need 12 volts, BUT it will not
> function at double speed and therefore will not work with OS-9 level 2
> on a CoCo 3.
> 
Now you have my curiosity bump itching. When you get to feeling like 
digging it out, I'd be interested in what chips it did use? 
> 
> Bruce W. Calkins
> brucewcalkins at charter.net
> 
> 
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Cheers, Gene
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