Keyboard; Serial Devices (Com1/Com2) - AOpen AX59PRO User Manual

Hardware Installation
2.3.5

Keyboard

The onboard PS/2 keyboard connector is a 6-pin Mini-Din connector marked KB .
The view angle of drawing shown here is from back panel of the housing.

2.3.6 Serial Devices (COM1/COM2)

The onboard serial connectors are 9-pin D-type connector on the back panel
of mainboard. The serial port 1 connector is marked as COM1 and the serial
port 2 connector is marked as COM2.
2-16
PS/2 KB
COM1
PCB
PCB
COM2