To find the firmware version on your ADL-1 power it on while holding down the generate button. The printer will print the firmware version.
Firmware 2.1.2 Files
Firmware 2.1.1 Files
To find the board revision remove the 6 1/16 inch hex screws holding the panel in the case and turn the panel over.
A revision 2.3 board is blue and the left side looks like this:
A revision 2.2 board is green and the left side looks like this:
Board revision 2.3 Files
Board revision 2.2 Files