Specifications

ASUS B85-PRO GAMER
1-21
1.7.2 Internal connectors
1. Serial port connector (10-1 pin COM)
Thisconnectorisforaserial(COM)port.Connecttheserialportmodulecabletothis
connector,theninstallthemoduletoaslotopeningatthebackofthesystemchassis.
2. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CPU_OPT; CHA_FAN1,
CHA_FAN2, CHA_FAN3)
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.Insufcient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1A(12W)fanpower.