User's Manual

ASUS B150M-C D3
1-17
6. Speaker connector (4-pin SPEAKER)
The4-pinconnectorisforthechassis-mountedsystemwarningspeaker.Thespeaker
allows you hear system beeps and warnings.
B150M-C D3
B150M-C D3 Speaker Out connector
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1
5. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1/2)
Connectthefancablestothefanconnectorsonthemotherboard,ensuringthatthe
black wire of each cable matches the ground pin of the connector.
Donotforgettoconnectthefancablestothefanconnectors.Insufcientairowinside
thesystemmaydamagethemotherboardcomponents.Thesearenotjumpers!Donot
placejumpercapsonthefanconnectors!TheCPU_FANconnectorsupportsaCPUfanof
maximum1A(12W)fanpower.
B150M-C D3
B150M-C D3 Fan connectors
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CHA_FAN2
GND
CHA FAN PWR
CHA FAN IN
CHA FAN PWM
CHA_FAN1
CHA FAN PWM
CHA FAN IN
CHA FAN PWR
GND
A
A
B
B
C
C