Asus B85M-E R2.0 User Guide - Page 25

B85M-E R2.0 Speaker out connector, B85M-E R2.0 Fan connectors

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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. A CPU_FAN B CHA_FAN2 GND A CHA FAN PWR CHA FAN IN +5V CPU FAN PWM CPU FAN IN CPU FAN PWR GND B85M-E R2.0 B C CHA_FAN1 GND CHA FAN PWR C CHA FAN IN +5V B85M-E R2.0 Fan connectors Do not forget to connect the fan cables to the fan connectors. Insufficient air flow 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. 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. +5V GND GND Speaker Out B85M-E R2.0 SPEAKER PIN 1 B85M-E R2.0 Speaker out connector ASUS B85M-E R2.0 1-17

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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)
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. Insufficient air flow 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-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