User`s manual

Chapter 2: Installation
2-23
JPUSB2
ATX PS/2 Keyboard and PS/2
Mouse Ports
The ATX PS/2 keyboard and the PS/2
mouse ports are located at J8. The
mouse port is above the keyboard
port. See the table on the right for pin
denitions.
PS/2 Keyboard and
Mouse Port Pin
Denitions
Pin# Denition
1 Data
2 NC
3 Ground
4 VCC
5 Clock
6 NC
Serial Ports
COM1 and COM2 are serial port
headers. See the table on the right for
pin denitions.
SerialPortPinDenitions
Pin # Denition Pin # Denition
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 Ground 10 NC
A. Keyboard/Mouse
B. COM1
C. COM2
(Pin 10 is available on COM2
only. NC: No Connection.)
B
A
C
B
A
C