PC-XT/AT Voedings connector
| 1. | Power Good | 7. | Ground |
| 2. | +5 Volt DC | 8. | Ground |
| 3. | +12 Volt DC | 9. | -5 Volt DC |
| 4. | -12 Volt DC | 10. | +5 Volt DC |
| 5. | Ground | 11. | +5 Volt DC |
| 6. | Ground | 12. | +5 Volt DC |
AT Serieël Sub-D9
| 1. | DCD in |
| 2. | RX in |
| 3. | TX out |
| 4. | DTR out |
| 5. | GND |
| 6. | DSR in |
| 7. | RTS out |
| 8. | CTS in |
| 9. | RI in |
XT Serieël Sub-D25
| 1. | Case Ground |
| 2. | TX out |
| 3. | RX in |
| 4. | RTS out |
| 5. | CTS in |
| 6. | DSR in |
| 7. | GND |
| 8. | DCD in |
| 20. | DTR out |
| 22. | RI in |
AT/XT Printer Sub-D25
| 1. | /Strobe out | 14. | /AutofeedXT out |
| 2. | Data0 in/out | 15. | /Error in |
| 3. | Data1 in/out | 16. | /Init out |
| 4. | Data2 in/out | 17. | /SelectIn out |
| 5. | Data3 in/out | 18. | Gnd |
| 6. | Data4 in/out | 19. | Gnd |
| 7. | Data5 in/out | 20. | Gnd |
| 8. | Data6 in/out | 21. | Gnd |
| 9. | Data7 in/out | 22. | Gnd |
| 10. | /Acknowledge in | 23. | Gnd |
| 11. | Busy in | 24. | Gnd |
| 12. | /Paperout in | 25. | Gnd |
| 13. | Select in |
Joystick Sub-D15
| 1. | +5 Volt DC | 9. | +5 Volt DC |
| 2. | Joy-1 Fire-1 | 10. | Joy-2 Fire-1 |
| 3. | Joy-1 X-pos | 11. | Joy-2 X-pos |
| 4. | Ground | 12. | Midi TX out |
| 5. | Ground | 13. | Joy-2 Y-pos |
| 6. | Joy-1 Y-pos | 14. | Joy-2 Fire-2 |
| 7. | Joy-1 Fire-2 | 15. | Midi RX in |
| 8. | +5 Volt DC |