[Coco] MPI 26-3124

Bruce W. Calkins brucewcalkins at charter.net
Sun Oct 15 09:54:50 EDT 2017


A: if the warranty sticker is intact, it is doubtful it has been upgraded.

B: I don't have the link here, but there is a short program for the CoCo 
3 that tests the addresses involved in the upgrade.

C: looking inside the newer MPIs had a piggybacked chip with extra 
(usually wirewrap) wires.

Bruce W.



On 10/15/2017 03:47 AM, Josh Harper via Coco wrote:
>    Hi guys
> how can I find out if my mpi is upgraded without opening it
> thanks
>



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