IEI Integration NANO-9452 v1.00 - Manual (Page 114)

NANO-9452 EPIC Motherboard
Page 96
Figure 5-21: PS/2 Connector
Step 4: Connect the keyboard and mouse. Once the cable is connected to the
NANO-9452 PS/2 connector. Connect the keyboard and mouse to their
respective PS/2 connector on the keyboard and mouse cable. Step 0:
CAUTION:
The keyboard and mouse cable has a specific connector for the mouse
and a specific connector for the keyboard. The cable is marked. Please
make sure the devices are connected to the correct connector.