User's Manual
1-16
Chapter 1: Product introduction
Donotforgettoconnectthefancablestothefanconnectors.Insufcientairowinside
thesystemmaydamagethemotherboardcomponents.Thesearenotjumpers!Donot
placejumpercapsonthefanconnectors!TheCPU_FANconnectorsupportsaCPUfanof
maximum1A(12W)fanpower.
Only4-pinCPUfansandchassisfanssupporttheASUSFANXpert2feature
6. Speaker connector (4-pin SPEAKER)
The4-pinconnectorisforthechassis-mountedsystemwarningspeaker.Thespeaker
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.
B85M-G PLUS
B85M-G PLUS Fan connectors
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CHA_FAN1
+5V
CHA FAN IN
CHA FAN PWR
GND
CHA_FAN2
+5V
CHA FAN IN
CHA FAN PWR
GND
B85M-G PLUS
B85M-G PLUS Speaker Out connector
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1