[Coco] Y Cable

[mmarlett at isd.net]

The problem is that you can't do that in the cable. It is done for you on
the motherboard. The cards you are plugging in are already made unless you
are doing a custom hardware project. The data bus is buffered on the CoCo
but address is not. The Pro-Tector series from Cloud-9 buffers the address
lines and in the Plus series bufferes interrupts and clocks, R/W, etc.....

Regards,

Mark
Cloud-9

>I'd add a buffer pack (a set of chips to drive the lines in each
direction)
>to the cable if it were me. It's cheap insurance.
>
>Neil
>
>----- Original Message ----- 
>From: "Rod Barnhart" <rod.barnhart at gmail.com>
>
>
>> I was wondering what precautions I should take when building a Y-Cable
>> for use with the CoCo bus. I'm (vaguely) aware of the addressing issue
>> with some of the floppy controllers. I'm also aware that I should keep
>> the run as short as possible and add a ground wire between each signal
>> wire. But I was wondering how many devices I can add to the bus, and
>> if there are other precautions (other than not unplugging things while
>> power is applied) I should take.
>
>
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