PCFSRV V2.5

Anybody here know anything about this?  I picked it up on eBay quite
some time ago and only recently decided to see what it does.
It consists of an Arduino screwed down to a piece of wood with a screen
plate mounted and has a cable attached that plugs into the serial port
on the COCO.  When powered up the screen says: "SD SRV V2.5 11/15"

It came with a tape labeled:
        "PCFSRV V2.5
          CLOAD-RUN
       J. Hieber 6/2017"

I tried the tape.  It loads a basic program with a help menu
and then asks if you want to copy the tape or load.  If I type
"L" as instructed it goes back to the OK prompt and does nothing.
I tried it on both a COCO 2 and a COCO 3 with the same results.

I suspect it is useless (which is probably why it was for sale
on eBay) but I am curious about what it was supposed to be.
would even be better if the creator was around and willing to
make the software source code available just out of curiosity.

I guess, if nothing else, I got another Arduino to play with.

bill
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