[Coco] Need help (of course)

[Arthur Flexser]

Al, my recollection is that the terminating resistor should go on the LAST
drive on the cable, not the first.  No?  (The name "terminating" certainly
would seem to suggest that.)

Art

On Fri, Dec 5, 2014 at 11:12 PM, Al Hartman <alhartman6 at optonline.net>
wrote:

> What is normally done on TRS-80 Disk drives is that you jumper DS0 and DS1
> on every drive. Put the terminator in the Drive 0:, and remove it on all
> other drives.
>
> Then, you remove the pins from the edge connector on the drive cable for
> the unused drive selects, causing each connector to select only one
> position with drive 0: being the furthest from the controller. You can have
> 4 single sided drives this way. If you want to use double sided drives on a
> Coco, I think you have to jumper ds3 to the side select pin with a wire in
> both drives, and you can only have two drives in DEB. OS-9 might let you
> have 3 double-sided drives, but someone else would have to tell you.
>
> -[ Al ]-
>
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