Mini-DIN-6 keyboard connectors are found on Indigo, Indigo2, Indy, O2, Octane, and Onyx systems. This pinout is for Indigo systems which _is not_ P/S2 compatible. Indigo2, Indy, O2, Octane, and Onyx systems uses standard ps/2 port.
| pin | name | description |
| 1 | KRCD | Keyboard Receive |
| 2 | MRCD | Mouse Receive |
| 3 | GND | Ground |
| 4 | PWR+ | Power +8V |
| 5 | KTXD | Keyboard Transmit |
| 6 | PWR- | Power-8v |
