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
1. Keyboard (Purple)
2. Mouse (Green)
2
1
