Computer Hardware User Manual

Chapter 2: Installation
2-11
ATX PS/2 Keyboard and PS/2
Mouse Ports
The ATX PS/2 keyboard and PS/2
mouse are located next to the Back
Panel USB Ports 0/1 on the mother-
board. See the table at right for pin
defi nitions.
PS/2 Keyboard/Mouse Pin
Defi nitions
PS2 Keyboard PS2 Mouse
Pin# Defi nition Pin# Defi nition
1 KB Data 1 Mouse Data
2 No Connection 2 No Connection
3 Ground 3 Ground
4 Mouse/KB VCC
(+5V)
4 Mouse/KB VCC
(+5V)
5 KB Clock 5 Mouse Clock
6 No Connection 6 No Connection
VCC: with 1.5A PTC (current limit)
1
2
1. Keyboard (Purple)
2. Mouse (Green)
Keyboard
Mouse