Intel SBC-455 - Manual (Page 33)

Chapter 2 Installation 25
Keyboard and PS/2 KB/ mouse
connections (KB CON, KB/PS2 MOUSE)
The SBC-455 board provides two keyboard connectors. A 5-pin
connector (KB CON) supports passive backplane applications. A
second 6-pin mini-DIN connector (KB/PS2 MOUSE) on the card
mounting bracket supports single board computer applications.
The card comes with an adapter to convert the 6-pin mini-DIN
connector, used for the mouse, to the standard DIN connector for
the keyboard.
Keyboard connector (KB CON)
Pin Function
1 K.B. clock
2 K.B. data
3 N.C.
4 GND
5 +5 V
DC
Keyboard or PS/2 mouse connector (KB/PS2 MOUSE)
Pin Function
1 K.B. data
2 PS/2 mouse data
3 GND
4 +5 V
DC
5 K.B. clock
6 PS/2 mouse clock