[Coco] MPI and NitrOS-9

[Brett Gordon]

Err.. no twists... just one cable with four taps.
On Oct 20, 2016 10:14 PM, "Bill" <cwgordon at carolina.rr.com> wrote:

> So, if I were able to build a ribbon cable to connect all four drives, I
> could connect it to one controller? I might try that tomorrow. I have the
> connectors and PLENTY of ribbon cable, but what about the twists on the
> cable? Am I building a cable basically identical to the two existing, but
> with four connectors?
>
> -----Original Message-----
> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Barry Nelson
> Sent: Thursday, October 20, 2016 3:01 PM
> To: coco at maltedmedia.com
> Subject: Re: [Coco] MPI and NitrOS-9
>
> You don’t need to “merge” them. All you need is a cable that allows you to
> connect both sets of drives to one controller, and set the drive ids to
> different numbers. You could even leave the ids set as they are if someone
> can make a custom cable for you. There are a few companies that make custom
> cables.
>
> You also could use both controllers but I think you may need to patch the
> NitrOS9 disk driver. If it works at all like the original CC3Disk OS9
> driver, it stores a hex $33 in $FF7F before accessing the controller. You
> would need to patch that byte to change the slot used for the floppy
> controller.
>
>
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