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USB Headers
Two additional USB2.0 headers
(USB2/3) are included on the moth-
erboard. These may be connected
to provide front side access. A USB
cable (not included) is needed for the
connection. See the table on the right
for pin defi nitions.
Serial Ports
The COM1 serial port is located be-
side the VGA port. COM2 is a header
located near the floppy connector.
Refer to the table on the right for pin
defi nitions.
Fan Headers
The H8SMU has fi ve fan headers,
which are designated FAN1 through
FAN5. See the table on the right for
pin defi nitions.
Note: when using active heatsinks
(those with fans), connect the heatsink
fan for the CPU to the FAN1 header.
LAN1/2 (Ethernet Ports)
Two Gigabit Ethernet ports (desig-
nated LAN1 and LAN2) are located
beside the VGA port. These Ethernet
ports accept RJ45 type cables.
Chapter 5: Advanced Motherboard Setup
Universal Serial Bus Headers
Pin Defi nitions (USB2/3)
USB2
Pin #
Defi nition
1
+5V
2
PO-
3
PO+
4
Ground
5
Key
Serial Port Pin Defi nitions
(COM1/COM2)
Pin #
Defi nition
1
DCD
2
RXD
3
TXD
4
DTR
5
Ground
Note: NC indicates no connection.
Fan Header
Pin Defi nitions
(FAN1-5)
Pin#
Defi nition
1
Ground (Black)
2
+12V (Red)
3
Tachometer
5-15
USB3
Pin #
Defi nition
1
+5V
2
PO-
3
PO+
4
Ground
5
No connection
Pin #
Defi nition
6
DSR
7
RTS
8
CTS
9
RI
10
NC
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