
Chapter 2: Installation
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 definitions.
Mouse
PS/2 Keyboard/Mouse Pin
Definitions
| PS2 Keyboard | PS2 Mouse | |||
| Pin# | 
 | Definition | Pin# | Definition | 
| 
 | ||||
| 1 | 
 | KB Data | 
 | Mouse Data | 
| 
 | 1 | |||
| 2 | 
 | No Connection | 
 | No Connection | 
| 
 | 2 | |||
| 3 | 
 | Ground | 
 | Ground | 
| 
 | 3 | |||
| 4 | 
 | Mouse/KB VCC | 
 | Mouse/KB VCC | 
| 
 | 4 | |||
| 
 | 
 | (+5V) | 
 | (+5V) | 
| 5 | 
 | KB Clock | 
 | Mouse Clock | 
| 
 | 5 | |||
| 6 | 
 | No Connection | 
 | No Connection | 
| 
 | 6 | |||
| 
 | 
 | 
 | 
 | 
 | 
VCC: with 1.5A PTC (current limit)
 Keyboard
 Keyboard
1. Keyboard (Purple)
2. Mouse (Green)
2
1