Asus B85-PLUS R2.0 B85-PRO User's Manual - Page 24

B85-PLUS USB3.0 Front panel connector, CPU and chassis fan connectors 4-pin CPU_FAN, 4-pin CHA_FAN1/2

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5. USB 3.0 connector (20-1 pin USB3_12) This connector allows you to connect a USB 3.0 module for additional USB 3.0 front or rear panel ports. With an installed USB 3.0 module, you can enjoy all the benefits of USB 3.0 including faster data transfer speeds of up to 5Gbps, faster charging time for USB-chargeable devices, optimized power efficiency, and backward compatibility with USB 2.0. B85-PLUS USB3_12 USB3+5V USB3+5V B85-PLUS USB3.0 Front panel connector The USB 3.0 module is purchased separately. 6. 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. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND B85-PLUS CHA_FAN2 CHA FAN PWM CHA FAN IN CHA_FAN1 CHA FAN PWR GND CHA FAN PWM CHA FAN IN CHA FAN PWR GND B85-PLUS 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. 1-16 Chapter 1: Product introduction

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1-16
Chapter 1: Product introduction
6.
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.
CHA_FAN1
CHA FAN PWM
CHA FAN IN
CHA FAN PWR
GND
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CHA_FAN2
CHA FAN PWM
CHA FAN IN
CHA FAN PWR
GND
B85-PLUS
B85-PLUS Fan connectors
5.
USB 3.0 connector (20-1 pin USB3_12)
This connector allows you to connect a USB 3.0 module for additional USB 3.0 front
or rear panel ports. With an installed USB 3.0 module, you can enjoy all the benefits of
USB 3.0 including faster data transfer speeds of up to 5Gbps, faster charging time for
USB-chargeable devices, optimized power efficiency, and backward compatibility with
USB 2.0.
The USB 3.0 module is purchased separately.
B85-PLUS
B85-PLUS USB3.0 Front panel connector
USB3_12
USB3+5V
USB3+5V