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4. If your system case has a built-in cooling fan, you can supply power to the fan from
the case fan power connector FAN1. Connect the power cable from the fan to
FAN1.
5. If you want to install an optional Serial Infrared Port, connect the cable from the
optional IR port to the SIR1 connector on the mainboard.
6. If you want to install a second serial port (COM2) locate the connector COM2 on
the mainboard and connect it to the optional serial port.
COM2
SIR1
Note: An infrared port (SIR1) and a second serial port (COM2) share the same
resources. If you install both of these options, you cannot use them both at the
same time. Use the setup utility to configure the system to use either the infrared
port or the second serial port. See Chapter 3 for more information.
7. Locate the bank of switch and indicator connectors PANEL1. These connectors
provide control functions to your system case. Use the table below to make the
connections.
16
1
22 21
Function
Power SW
Speaker
Suspend SW
Reset SW
HDD LED
Green LED
Power Indicator

Keylock

Keylock
Green Indicator
Speaker
Hard Disk
Power LED
Indicator
2 1
Reset Switch
PANEL1
Suspend Switch
Power Switch
ATX1
1
1
1
FAN1
Pins
1, 3, 5,
+7
+2, +4, 6
+8, 10
+13, 14
+15, 16
17, 18
19, 20
21, 22

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