| JP3 | |
| Pin | Function |
| 1 | IRQ15; selectable for COM4 |
| 2 | IRQ9; selectable for COM3 |
| 3 | COM4 select for IRQ |
| 4 | COM3 select for IRQ |
| 5 | IRQ3; selectable for COM4 or COM3 |
| 6 | IRQ4; selectable for COM3 or ADC |
| 7 | COM3 select for IRQ |
| 8 | AD select for IRQ |
| 9 | AD select for IRQ |
| 10 | IRQ5; selectable for COM3 or ADC |
| 11 | IRQ6; selectable for COM3 or ADC |
| 12 | COM3 select for IRQ |