Chapter 2: Installation
2-11
PS/2 Keyboard and Mouse
Ports
The ATX PS/2 keyboard and the
PS/2 mouse are located on J11.
See the table on the right for pin
definitions. (The mouse port is
above the keyboard port. See Fig-
ure 2-3.)
PS/2 Keyboard
and Mouse Port
Pin Definitions
(J11)
Pin
Number
1
2
3
4
5
6
Definition
Data
NC
Ground
VCC
Clock
NC
Fan Header Pin Definitions
(CPU/CHS/OH Fans)
Pin
Number
1
2
3
Definition
Ground (black)
+12V (red)
Tachometer
Caution: These fan headers
are DC power.
Fan Headers*
The motherboard has fan headers
for CPU, chassis and overheat
fans. See the table on the right
for pin definitions.
Serial Ports
The COM1 serial port is located
under the parallel port (see Figure
2-3). See the table on the right for
pin definitions. See the
motherboard layout diagrams for
the location of the COM2 connec-
tor, which is a header.
Serial Port Pin Definitions
(COM1, COM2)
Pin Number Definition
1 CD
2 RD
3 TD
4 DTR
5 Ground
Pin Number Definition
6 DSR
7 RTS
8 CTS
9 RI
10 NC
GLAN1/GLAN2 Ethernet
Ports
Two gigabit Ethernet ports are lo-
cated beside the VGA port on the
IO backplane. These ports accept
RJ45 type cables. See the next
section for a description of the
LEDs on the LAN ports.
