Mouse and keyboard connectors
The mouse and keyboard connectors are 6-pin, PS/2-style female connectors.
| Pin | Signal | I/O | Description |
| 1 | DATA | I/O | Key Data |
| 2 | NC | - | Not connected |
| 3 | GND | - | Ground |
| 4 | VCC | O | Power, +5 VDC |
| 5 | CLK | O | Clock |
| 6 | NC | - | Not connected |
