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ATX_12V (+12V Power Connector)
The ATX_12V power connector provides power to the CPU. If this connector is not attached,
the system will not start.
ATX (ATX Power Connector)
The ATX power connector provides power to the motherboard. Prior to connection, please
make sure that the power supply is disconnected.
F_PANEL (Front Panel Control Connector)
The F_Panel Control Connector connects to certain connectors on the front panel of the
system casing such as IDE Hard Disk Active LED, speaker, reset, and power on/off connectors.
You can use the schematic diagram below as the basis for connection.
PIN SIGNAL
1 GND
2 GND
3 +12V
4 +12V
1
10
11
20
PIN SIGNAL
HD IDE Hard Disk Active LED
SPK Speaker Connector
RES Reset Switch
PW Power Switch
MSG Message LED/Power/Sleep LED
NC NC
PIN SIGNAL
1 3.3V
2 3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 Power Good
9 5VSB (stand by +5V)
10 +12V
PIN SIGNAL
11 3.3V
12 -12V
13 GND
14 PS_ON (soft on/off)
15 GND
16 GND
17 GND
18 -5V
19 +5V
20 +5V
3
4
1
2
1
2
19
20
HD-
HD+
RES+
RES-
NC
SPK-
MSG-
MSG+
PW-
PW+
SPK+
SYS_FAN
CPU_FAN (CPU Fan Power Connector); SYS_FAN (System Fan Power Connector)
The cooler fan power connector supplies a +12V power voltage via a 3-pin/4-pin(only for CPU_FAN) power
connector and possesses a ful-proof connection design. Most coolers are designed with color-coded power
connector wires. A red power connector wire indicates a positive connection and requires a +12V power
voltage. The black connector wire is the ground wire (GND). Please remember to connect the power to the
cooler to prevent system overheating and failure.
Caution!
Please remember to connect the power to the CPU fan to prevent CPU overheating and failure.
1
1
CPU_FAN
PIN SIGNAL
1 GND
2 +12V
3 Sense
4 Speed Control (Only for CPU_FAN)