Asus B85M-G R2.0 - CPU and Chassis Fan Connectors (4-Pin CPU_FAN, 4-Pin CHA_FAN1;2); Speaker Connector (4-Pin SPEAKER)

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Chapter 1: Product introduction
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.
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.
Only4-pinCPUfansandchassisfanssupporttheASUSFANXpert2feature
B85M-G R2.0
B85M-G R2.0 Fan connectors
CHA_FAN1
+5V
CHA FAN IN
CHA FAN PWR
GND
CHA_FAN2
+5V
CHA FAN IN
CHA FAN PWR
GND
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CPU_FAN
B85M-G R2.0
B85M-G R2.0 Speaker connector
+5V GND GND Speaker Out
SPEAKER
PIN 1