[Coco] CoCo 1 troubles

[Arthur Flexser]

I'd try the MX jumper setting.

Art

On Thu, Dec 24, 2020 at 12:54 PM Salvador Garcia via Coco <
coco at maltedmedia.com> wrote:

>  Thanks Chris!
>
> The cable and floppy drive are stock Radio Shack, part number 26-3022.
>
> You are correct, the cable's drive connectors have missing teeth :-).
>
> I moved the A/B MX jumper from B to A and the results were odd at best:
>
> a. The LED does not turn on, ever
> b. When I use DSKINI or DIR, regardless to which connector the drive is
> connected to, the motor spins up and the heads move. Using DSKINI it steps
> through the tracks, seeks then gives IO Error, all while the LED remains off
>
> I returned the jumper to its original position. This setup was working as
> is, 27 years ago.  I don't think it is a configuration issue. Basically, I
> have four components: Disk drive, cable, controller, and media. One of
> these is the issue. I just need to narrow it down. Plus, as I mention in
> another reply, I suspect that I may have more than one problem.
>
> Best wishes to you Chris! Good to hear from you! Salvador
>
>
>
>     El miércoles, 23 de diciembre de 2020 08:39:43 p. m. CST, Christopher
> R. Hawks <chawks at dls.net> escribió:
>
>  On Wed, 23 Dec 2020 20:08:07 -0500
> Arthur Flexser <flexser at fiu.edu> wrote:
>
> > If the drive is regarded as Drive 1 as you have it currently
> > connected, it seems like it should be regarded as Drive 0 if you plug
> > it into the other drive connector on the cable.
> >
> > Art
> >
> [snippity]
>
>     I believe Salvador said that the drive didn't work plugged in the
> to the other connector.
>
>     If he has a R/S cable with missing teeth and a non R/S drive, he'll
> need to set the drive to be Drive 0 as well as move to the other
> connector. Likely the 'A/B MX' jumper he mentioned that's currently set
> to 'B'.
>
>
> Christopher R. Hawks
> HAWKSoft
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