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USB2/3 Headers
Two additional USB2.0 headers
(USB2/3) are included on the mother-
board near the COM2 header. These
may be connected to provide front
side USB access. USB cables (not
included) are needed for the connec-
tions. See the table on the right for
pin defi nitions.
Serial Ports
The COM1 serial port is located be-
tween the USB ports and the VGA
port. COM2 is a header located near
the SATA0 port (see motherboard
layout for location). See the table on
the right for pin defi nitions.
Fan Headers
The H8SSL-i has fi ve 3-pin fan head-
ers. Fan speed is controlled via Ther-
mal Management with a BIOS setting
(refer to Chapter 4). See the table on
the right for pin defi nitions.
Overheat LED (JOH1)
Connect an LED to the JOH1 header
to provide warning of chassis over-
heating. See the table on the right
for pin defi nitions.
Chapter 5: Advanced Motherboard Setup
Extra 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: Pin 10 is included on the header but not on
the port. NC indicates no connection.
Fan Header
Pin Defi nitions
(FAN1-5)
Pin#
Defi nition
1
Ground
2
+12V
3
Tachometer
Overheat LED
Pin Defi nitions
(JOH1)
Pin#
Defi nition
1
+5V
2
OH Active
5-15
USB3/4
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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