ASUS B85M-E R2.0
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.
5. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1/2)
Connectthefancablestothefanconnectorsonthemotherboard,ensuringthatthe
black wire of each cable matches the ground pin of the connector.
Donotforgettoconnectthefancablestothefanconnectors.Insufcientairowinside
thesystemmaydamagethemotherboardcomponents.Thesearenotjumpers!Donot
placejumpercapsonthefanconnectors!TheCPU_FANconnectorsupportsaCPUfanof
maximum1A(12W)fanpower.
Only4-pinCPUfansandchassisfanssupporttheASUSFANXpert2feature.
B85M-E R2.0
B85M-E R2.0 Fan connectors
CHA_FAN1
GND
CHA FAN PWR
CHA FAN IN
+5V
CHA_FAN2
GND
CHA FAN PWR
CHA FAN IN
+5V
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CPU_FAN
A
A B
C
B
C
B85M-E R2.0
B85M-E R2.0 Speaker out connector
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1
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