Specifications

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.
TheCOMmoduleispurchasedseparately.
2. CPU and chassis fan connectors (4-pin CPU_FAN, and 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.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theCPUfanofmaximum1A(12W)fanpower.
H97M-PLUS
H97M-PLUS Serial port (COM) connector
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
CHA_FAN1
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CHA_FAN2
GND CHA FAN PWR CHA FAN IN CHA FAN PWM
CHA FAN PWM
CHA FAN IN
CHA FAN PWR
GND
H97M-PLUS
H97M-PLUS Fan connectors
ASUS H97M-PLUS
1-13