Gpio Header (Cn7); Internal Keyboard Connector (Cn8); Internal Mouse Connector (Cn9) - AXIOMTEK IMB540 User Manual

2.3.9

GPIO Header (CN7)

This header (5x2-pin p=2.00mm) is for digital I/O interface.
Pin Signal
1 DIO1
3 DIO2
5 DIO3
7 DIO4
9 NC
The default value of DIO1 to DIO8 is set as GPI with high level.
Note
2.3.10

Internal Keyboard Connector (CN8)

The internal keyboard (PS/2 type) interface is available through a 5-pin connector.
Pin Signal
1 Keyboard Clock
2 Keyboard Data
3 NC
4 GND
5 +5V level
2.3.11

Internal Mouse Connector (CN9)

The internal mouse (PS/2 type) interface is available through a 5-pin connector.
Pin Signal
1 Mouse Clock
2 Mouse Data
3 NC
4 GND
5 +5V level
Board and Pin Assignments
Pin Signal
2 DIO8
4 DIO7
6 DIO6
8 DIO5
10 GND
IMB540 User's manual
2 1
4 3
6
5
8 7
10
9
13