Half-size CP U C a r d
S B C - 6 5 9 R e v . B
Chapter 2 Quick Installation Guide
2 - 24
2.29
PS/2 Keyboard and Mouse Connector (CN20)
On board SBC-659, there is a standard 6-pin header for PS/2 keyboard and
mouse connector. The pin definition is provided below.
Pin
Signal
Pin
Signal
1
MS CLOCK
2
KB CLOCK
3
+5V
4
GND
5
KB DATA
6
MS DATA
7
N.C.
8
N.C.
2.30
Internal Keyboard Connector (CN21)
On board SBC-659, there is a 5-pin header for internal keyboard connection.
The pin definition is provided below.
Pin
Signal
1
CLK
2
DATA
3
N.C.
4
GND
5
+5V
2.31 External Power On Connector (CN22)
On board SBC-659, there is a 6-pin header for external power on function.
The pin definition is provided below.
Pin
Signal
1
N.C.
2
GND
3
N.C.
4
GND
