[Coco] Regarding disk drives
lamune at doki-doki.net
Sat Jan 3 02:10:38 EST 2009
> -----Original Message-----
> From: coco-bounces at maltedmedia.com [mailto:coco-
> bounces at maltedmedia.com] On Behalf Of John Eric
> Sent: Friday, January 02, 2009 11:04 PM
> To: CoCoList for Color Computer Enthusiasts
> Subject: Re: [Coco] Regarding disk drives
> okay, thanks. I was thinking that the twist in the ibm cable meant
> both drives had to be set as drive 1 and the twist in the cable
> them to be accessed as 0 (a) and 1 (b). I guess I would be better
> served simply to make new cables from scratch. Thanks -Jeric
Yes and no.
The twist is wrong for a CoCo controller. IBM uses two distinct motor
enable signals, which is why the twist covers so many conductors.
If you twist the 3 conductors that are D0, D1, and the ground between
them then setting the two drives to DS1 should work as expected.
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