X9SCi-LN4/X9SCi-LN4F/X9SCA/X9SCA-F User's Manual
ATX PS/2 Keyboard/Mouse
Ports
The ATX PS/2 keyboard and
PS/2 mouse are located next to
the Back Panel USB Ports 0/1 on
the motherboard. See the table at
right for pin definitions.
Mouse
Keyboard
PS/2 Keyboard/Mouse Pin
Definitions
PS2 Keyboard
Pin#
Definition
1
KB Data
2
No Connection
3
Ground
4
Mouse/KB VCC
(+5V)
5
KB Clock
6
No Connection
VCC: with 1.5A PTC (current limit)
2-16
PS2 Mouse
Pin#
Definition
1
Mouse Data
2
No Connection
3
Ground
4
Mouse/KB VCC
(+5V)
5
Mouse Clock
6
No Connection
1. Keyboard (Purple)
2. Mouse (Green)