I got a message from Martin Weist regarding the procedures with the PUB updater card:
You purchase a PUB Board, lets say its RFM V1.2 code.
Procue the PUB updater program.
Plug in PUB Card into ISA SLOT of your PC and boot it
Flash the PUB ram using the updater program with RFM V1.6 code.
Shut down PC
Remove PUB from your PC motherboard
Shut down P2K game
Insert updated PUB card into vacant ISA slot in the RFM computer motherboard
Switch on the game and wait till update is finished successfull (green message)
If it fails, powercycle and try again (easy, just powercycle just the PC with red button)
When finished and OK power down PC
Remove PUB card from the RFM motherboard.
Power cycle machine.

bobs your uncle ....done and playing. 

hope that helps
Martin

So there you go, the process of using a PUB card. I think its worth it if you have several RFM's and SWE1s because you simply update the game and move the PUB to the next machine and do it again...and again.

Regards all,
Cliff