[Coco] Y cable construction

[Bruce W. Calkins]

Some cartridges will have addressing and/or timing conflicts with a Y-cable.

Bruce W.

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----- Original Message ----- 
From: "Mike Rowen"

> Hi everyone. I'm attempting a simple Y cable. At the moment, I have a 
> single 40 pin connector at the end of a 5.5" ribbon cable. The contacts 
> check out good when I do a continuity test. I do not find any shorts.
>
> I plugged it into my CoCo 3 with a ROM pack connected via the ribbon cable 
> and that works fine. When I switch to a Floppy controller, it generates a 
> screen of garbage. The disk controller works fine when connected directly. 
> I attached some alligator leads from the ground tabs on the controller 
> cart to the CoCo 3 ground tabs, knowing better ground was required.
>
> Any suggestions to create a working Y cable (other than a multiple-pak!)?
>
> Thanks,
> -Mike R