Mini DisplayPort was introduced by Apple in 2008 and later adopted by Intel for Thunderbolt 1 and 2. Found on older MacBooks, Surface Pro, and PC laptops. Uses the same signal set as full DisplayPort in a smaller connector.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground | GND |
| 2 | Hot Plug Detect | Hot plug detect | I/O |
| 3 | ML_Lane0(n) | Main link lane 0 negative | BUS |
| 4 | GND | Ground | GND |
| 5 | ML_Lane0(p) | Main link lane 0 positive | BUS |
| 6 | GND | Ground | GND |
| 7 | ML_Lane1(n) | Main link lane 1 negative | BUS |
| 8 | GND | Ground | GND |
| 9 | ML_Lane1(p) | Main link lane 1 positive | BUS |
| 10 | GND | Ground | GND |
| 11 | ML_Lane2(n) | Main link lane 2 negative | BUS |
| 12 | GND | Ground | GND |
| 13 | ML_Lane2(p) | Main link lane 2 positive | BUS |
| 14 | GND | Ground | GND |
| 15 | ML_Lane3(n) | Main link lane 3 negative | BUS |
| 16 | GND | Ground | GND |
| 17 | ML_Lane3(p) | Main link lane 3 positive | BUS |
| 18 | GND | Ground | GND |
| 19 | AUX CH(p) | Auxiliary channel positive | BUS |
| 20 | AUX CH(n) | Auxiliary channel negative | BUS |