System                          Voltage         Current         Power

APF M1000                       7.5 VAC         0.8 A
APF MP1000                      7.5 VAC         0.8 A
Arcadia 2001                    12 VDC          0.6 A
Atari 1010                      9 VAC           0.5 A
Atari 2600                      9 VDC           0.1 A
Atari 400                       
Atari 5200 (2-port)             11.5 VDC        1.95 A            
Atari 5200 (4-port)             9.3 VDC         1.95 A
Atari 7800                      9 VDC           1 A
Atari 800                       9 VAC                           18.5 W
Atari 850                       9 VAC                           20 W
Atari Touch Me (model #BE-200)
Atari Video Pinball             9 VDC           0.5 A
Bally Astrocade Blk-Red/Grn-Wht 10.8 VAC        0.085 A
Bally Astrocade Red-Grn         7.5 VAC         1.0 A
Colecovision:   pin 1           +5 VDC          0.9 A
Colecovision:   pin 2           -5 VDC          0.1 A
Colecovision:   pin 3           +12 VDC         0.3 A
Colecovision:   pin 4           ground          ground
Intellivision                   
Intellivision II                16.7 VAC        1 A
Intellivision III               
Intellivision Computer Adaptor  10 VAC          1 A
Odyssey                         9 VDC
Odyssey2                        11.5 VAC        0.4 A