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6) CPU_OPT (CPU Fan/Water Cooling Pump Header)
The fan/pump header is 4-pin and possesses a foolproof insertion design. Most fan headers possess a
foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation
(the black connector wire is the ground wire). The speed control function requires the use of a fan with fan
speed control design.
1
Pin No.
Definition
1
GND
2
Voltage Speed Control
3
Sense
4
PWM Speed Control
Connector
CPU_FAN
SYS_FAN1/2/3
SYS_FAN4_PUMP
CPU_OPT
Maximum Current
2A
2A
2A
2A
Maximum Power
24W
24W
24W
24W
7) D_LED1/D_LED2 (Addressable LED Strip Headers)
The headers can be used to connect a standard 5050 addressable LED strip, with maximum power rating
of 5A (5V) and maximum number of 1000 LEDs.
1
D_LED2
1
Pin No.
Definition
1
V (5V)
2
Data
3
No Pin
4
GND
D_LED1
Addressable LED
Strip
1
Connect your addressable LED strip to the header. The power pin (marked
with a triangle on the plug) of the LED strip must be connected to Pin 1 of
the addressable LED strip header. Incorrect connection may lead to the
damage of the LED strip.
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