Code:
fa62 05 **
Your unipak has rev 05 firmware, Rev 09 rom images are in the files section of the Data I/O group on Yahoo, Worth joining it's free to join.
Code:
70b3 64k 29b v01
Your 29B unit has 64k memory and v01 firmware, You might be able to upgrade the memory to 128k depending on your memory board, to go higher you'd need a new memory board 1 Mb max. The v01 firmware is upgradable to v6, I think rom images are in the files section too. I would upgrade the unipak 2 and see how it goes for you, You can always upgrade the rest later if need be.