Fixing an RK8E ....

Todd Goodman tsg at bonedaddy.net
Sat Jun 20 07:43:29 CDT 2020


I have some of these connectors (from ECS) for $10 each

Shipping in the US is a flat rate $8.30

(Poor) pictures at 
http://bonedaddy.net/tgoodman/photos/tgoodman/ECS-Connector/

Todd

On 6/19/2020 5:19 PM, Vincent Slyngstad via cctalk wrote:
> On 6/19/2020 12:24 PM, Robert Armstrong via cctalk wrote:
>> Ok, maybe a bad bit in the command register so I'll check it out.  
>> But then
>> it dawns on me - how do you work on this thing?  It's three boards 
>> connected
>> with "over the top" connectors - you can't use a module extender on it.
>> Worse, the M7105 Major Registers board is the middle one of the 
>> stack!   Is
>> there some secret to working on this thing?  Has anybody fixed one?  Any
>> suggestions?
>>
>>    I hadn't thought about it before, but the KK8E CPU would have the 
>> same
>> problem.  Fingers crossed that one never dies...
>
> Jack Rubin has worked on this problem a fair bit, and his solution:
> http://www.vcfed.org/forum/showthread.php?47821-DEC-extender-adapter-for-over-the-top-OMNIBUS-boards 
>
>
> Basically he's found a compatible edge connector, and made a little 
> PCB that interfaces it to a a ribbon cable.  A couple of those per 
> cable and you are all set.
>
> You may want to contact him about acquiring the female edge 
> connectors, as they can only be ordered in bulk.  (It might be my turn 
> to order them, if he's out.)
>
>     Vince


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