Hello Neil,

I appreciate your feedback very much.
Indeed, your assumption is probably correct.

Thank you very much again.

I own a Dataman 48 and bought a 48XP upgrade kit on ebay. At first glance looked ok, but I suspect the board is NOT an 48XP upgrade board, but an old 48 board, because it has still the two module connectors on the back which the upgrade board should NOT have. I am right? Your feedback would very hel...