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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.
motherboard layout diagrams for
the location of the COM2 connec-
tor, which is a header.
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.)
Fan Headers*
The motherboard has fan headers
for CPU, chassis and overheat
fans.
See the table on the right
for pin definitions.
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.
section for a description of the
LEDs on the LAN ports.
See
the
See the next
2-11
Chapter 2: Installation
Serial Port Pin Definitions
(COM1, COM2)
Pin Number
Definition
Pin Number Definition
1
CD
2
RD
3
TD
4
DTR
5
Ground
PS/2 Keyboard
and Mouse Port
Pin Definitions
(J11)
Pin
Number
Definition
1
Data
2
3
Ground
4
VCC
5
Clock
6
Fan H eader Pin Definitions
(C PU/CHS/OH Fans)
Pin
Number
Definition
1
Ground (black)
2
+12V (red)
3
Tachometer
Caution: These fan headers
are D C power.
6
DSR
7
RTS
8
CTS
9
RI
10
NC
NC
NC
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