[Coco] Kip's Single Board Computer
John W. Linville
linville at tuxdriver.com
Fri Sep 18 10:54:23 EDT 2015
On Thu, Sep 17, 2015 at 09:39:17PM -0500, RETRO Innovations 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.
Sorry, that was the only obvious thing I see...I presume you have
tried adding a manual reset switch and trying that too? Probably makes
no difference...
John
--
John W. Linville Someday the world will need a hero, and you
linville at tuxdriver.com might be all we have. Be ready.
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