[Coco] Coco-3 power and MPI questions

[Kandur]

Thanks Tim, is slot #1 'always on'?

Kandur

Wednesday, October 1, 2014, 8:55:49 AM, you wrote:
> On Wed, Oct 1, 2014 at 8:45 AM, Kandur <k at qdv.pw> wrote:
>> 3) What is the slot select switch is actually doing on the MPI?
>>      Why do we have to plug the floppy controllers into slot #1,
>>       because slot #1 ALWAYS ON? Is there a nice clear schematic
>>       on the net somewhere?  Thanks.

> It selects which Cartridge port gets the SCS*, CTS* signals.
> And it selects which slot will provide the CoC with the Cartridge
> interrupt signal.

> The switch is also under software control. The physical switch becomes
> disabled if it was changed under software control.


> -- 
> tim lindner