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Serial Ports
The COM1 serial port is located
under the parallel port.
table on the right for pin defini-
tions.
The COM2 connector is a
header located near the BIOS chip
on the motherboard.
ATX PS/2 Keyboard and
PS/2 Mouse Ports
The ATX PS/2 keyboard and the
PS/2 mouse are located on J29.
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 three fan
headers.
These are designated
CPU 1 Chassis Fan, CPU 2 Chas-
sis Fan and Chassis Fan 3. See
the table on the right for pin defini-
tions.
LAN1/2 (Ethernet Ports)
Two Ethernet ports (designated
LAN1 and LAN2) are located be-
side the VGA port on the IO
backplane.
These ports accept
RJ45 type cables.
Chapter 5: Advanced Motherboard Setup
Pin Number
See the
1
2
3
4
5
Note: Pin 10 is included on the header but
not on the port.
5-15
Serial Port Pin Definitions
(COM1, COM2)
Definition
Pin Number Definition
CD
6
RD
7
TD
8
DTR
9
Ground
10
PS/2 Keyboard
and Mouse Port
Pin Definitions
(J29)
Pin
Number
Definition
1
Data
2
NC
3
Ground
4
VCC
5
Clock
6
NC
Fan H eader Pin Definitions
Pin
Number
Definition
1
Ground (black)
2
+12V (red)
3
Tachometer
Caution: These fan headers
are D C power.
DSR
RTS
CTS
RI
NC
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