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ASUS B85M-E
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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.
B85M-E
B85M-E 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. Insufcient 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 2A (24 W) fan power.
Only the 4-pin CPU fan supports the ASUS Fan Xpert 2 feature.
B85M-E
B85M-E Fan connectors
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CHA_FAN1
GND
CHA FAN PWR
CHA FAN IN
+5V
CHA_FAN2
GND
CHA FAN PWR
CHA FAN IN
+5V