12
2-4 Install other Internal Connectors
This motherboard uses an ATX power supply. In order not to damage any
device, make sure all the devices have been installed properly before
applying the power supply.
24-pin ATX power connector : PWR1
PWR1 is the ATX power supply connector. Make sure that the power supply
cable and pins are properly aligned with the connector on the motherboard.
Firmly plug the power supply cable into the connector and make sure it is
secure.
Pin No.
Definition
Pin No.
Definition
1
3.3V
13
3.3V
2
3.3V
14
-12V
3
GND
15
GND
4
+5V
16
P S _ O N ( s o f t
On/Off)
5
GND
17
GND
6
+5V
18
GND
7
GND
19
GND
8
Power Good
20
-5V
9
5V SB(stand by
+5V)
21
+5V
10
+12V
22
+5V
11
+12V (Only for
24-pin ATX)
23
+5V (Only for
24-pin ATX)
12
3.3V (Only for
24-pin ATX)
24
GND (Only for
24-pin ATX)
ATX PWR1
1
12
13
24
Front Panel Connector : FP1
This motherboard includes one connector for connecting the front panel
switch and LED Indicators.
Hard Disk LED Connector (HDD_LED)
Connect to the chassis front panel IDE indicator LED. It indicates the active status of the hard
disks. This 2-pin connector is directional with +/- sign.
Reset Switch (RESET)
Attach the connector to the Reset switch on the front panel of the case; the system will restart
when the switch is pressed.
Power LED Connector (PWR_LED)
Connect to the power LED indicator on the front panel of the chassis. The Power LED
indicates the system’s status. When the system is in operation (S0 status), the LED is on.
When the system gets into sleep mode (S1) , the LED is blinking; When the system is in
S3/S4 sleep state or power off mode (S5), the LED is off. This 2-pin connector is directional
with +/- sign.
Power Switch Connector (PWRSW)
Connect to the power button on the front panel of the chassis. Push this switch allows the
system to be turned on and off rather than using the power supply button.
HDD_LED
RESET
NC
+
-
PWRSW
+
-
PWR_LED
EMPTY
1 2
10
9
FP1
