Sys_Fan1; Cpu_Fan; Cpu_Opt - Gigabyte B660 DS3H AC User Manual

6) CPU_OPT (Water Cooling CPU Fan Header)
The fan 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.
Connector
Maximum Current
Maximum Power
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.
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.

CPU_FAN

SYS_FAN1/2A/2B
2A 2A
24W 24W
D_LED2
1
D_LED1
- 23 -
Pin No. Definition
1 GND
1
2 Voltage Speed Control
3 Sense
4 PWM Speed Control
SYS_FAN3_PUMP
2A
24W
Pin No. Definition
1
1 V (5V)
2 Data
3 No Pin
4 GND
1

CPU_OPT

2A
24W
Addressable LED
Strip