User's Manual

1-16
Chapter 1: Product introduction
3. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN)
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1A(12W)fanpower.
4. USB 2.0 connectors (10-1 pin USB56, USB78)
TheseconnectorsareforUSB2.0ports.ConnecttheUSBmodulecabletoanyof
theseconnectors,theninstallthemoduletoaslotopeningatthebackofthesystem
chassis.TheseUSBconnectorscomplywithUSB2.0specicationsandsupportsupto
480Mbpsconnectionspeed.
Neverconnecta1394cabletotheUSBconnectors.Doingsowilldamagethe
motherboard!
TheUSB2.0moduleispurchasedseparately.
Onlythe4-pinCPUfansand4-pinchassisfanssupporttheASUSFanXpertfeature.
B85M-K PLUS
B85M-K PLUS Fan connectors
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CHA_FAN
+5V
CHA FAN IN
CHA FAN PWR
GND
B85M-K PLUS
USB78
PIN 1
USB+5V
USB_P7-
USB_P7+
GND
NC
USB+5V
USB_P8-
USB_P8+
GND
USB56
PIN 1
USB+5V
USB_P5-
USB_P5+
GND
NC
USB+5V
USB_P6-
USB_P6+
GND
B85M-K PLUS USB2.0 connectors
E10185_B85M-K_PLUS_Guide.indb 16 2015/2/13 14:25:14