[Coco] Multi drive controllers

Willard Goosey goosey at virgo.sdc.org
Tue Apr 3 22:46:39 EDT 2012


On Tue, Apr 03, 2012 at 10:12:12PM -0400, Bill wrote:
> I have 2 sets of drives, one is a dual (3 ½” and 5 ¼” and the other is a
> single (5 ¼”). I want to use BOTH of them with my setup (512k Coco 3 and
> MPI), but I cannot remember exactly how to call the second set of drives
> (the single 5 ¼” is my primary.) 

If you're asking about running all three drives off one floppy
controller, you need to make sure each drive has a different number
and have a cable with enough connectors.  I've run my CoCo with 2x
5.25" drives and 1x 3.5" drive for years.

If you're asking about using multiple floppy controllers you'll have
to hack the hardware to change the I/O address on the second
controller.

BTW the limit per controller (without hardware hacking) is 3
double-sided drives or 4 single-sided drives.  Tandy wired up side-select
and drive-select in a ....unique.... manner.

Willard
-- 
Willard Goosey  goosey at sdc.org
Socorro, New Mexico, USA
I search my heart and find Cimmeria, land of Darkness and the Night.
  -- R.E. Howard



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