[Coco] Kip's Single Board Computer

[Louis Ciotti]

If I had an IC and support stuff I would try this myself.  I actually
ordered some 6809s...   But they are coming from china but the tracking
number shows it is at least in the US now so hopefully soon.  And will look
at the data sheet and stuff over the weekend and order whatever else I need
to breadboard this.  So in a week or so I might be able to help out.
On Sep 17, 2015 10:39 PM, "RETRO Innovations" <go4retro at go4retro.com> wrote:

> On 9/15/2015 12:28 PM, John W. Linville wrote:
>
>> Anyway, I would suggest something approaching 100mS.  Since Kip seems
>> to have a 2.2Kohm pull-up on RESET^, maybe a 47uF capacitor from
>> there to ground?  Of course, that ignores the R10 and LED path...you
>> may have to try some different cap values if that doesn't work...
>>
> I pulled the 6309c and put it on a breadboard with 10K pullups on NMI,
> IRQ, MRDY, HALT, RESET, etc.  I put a 10uF on RESET as well and powered it
> up...
>
> Nothing. :-(
>
> I tried my 6809 as well, to the same effect.  I don't doubt your advice,
> but it looks like I have more I need to do to get this CPU to run.
>
> Jim
>
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