Lanner RS12-38800 - Manual (Page 14)

14
2.1.4 Connectors Pin Assignment
PKMB1：2x4 Header PS/2 Keyboard & Mouse Connector
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 VCC 2 MSCLK
3 MSDATA 4 KEY
5 KBDATA 6 KEY
7 GND 8 KBCLK
CCMOS2: Clear CMOS Data
CCMOS2
1
2
3
CCMOS2
1
2
3
1
Clear CMOS1 2
3
DESCRIPTION CMOS
Normal (Default) 1-2
Clear CMOS 2-3