ATX PS/2 Keyboard and
PS/2 Mouse Ports
The ATX PS/2 keyboard and the PS/2
mouse are located at JKM1. See the
table on the right for pin defi nitions.
(The mouse port is above the key-
board port. See the table on the right
for pin defi nitions.)
Serial Ports
COM1 is a connector located on the
IO Backpanel and COM2 is a header
located at JCOM2. See the table on
the right for pin defi nitions.
JPWF
A
JAR
J2
J8B1
B
J7B3
J1
J7B2
J7B1
LAN1
LAN2
Fan5
Fan6
Slot6
C
PS/2 Keyboard and
Mouse Port Pin
Defi nitions
Pin#
Defi nition
1
Data
2
NC
3
Ground
4
VCC
5
Clock
6
NC
Serial Port Pin Defi nitions
(COM1/COM2)
Pin #
Defi nition
1
CD
2
RD
3
TD
4
DTR
5
Ground
(Pin 10 is available on COM2
only. NC: No Connection.)
A. Keyboard/Mouse
B. COM1
C. COM2
2-17
Chapter 2: Installation
Pin #
Defi nition
6
DSR
7
RTS
8
CTS
9
RI
10
NC