ASUS H81T R2.0
1-13
1.7.2 Internal connectors
1. Serial port connector (10-1 pin COM)
Thisconnectorisforaserial(COM)port.Connecttheserialportmodulecabletothis
connector,theninstallthemoduletoaslotopeningatthebackofthesystemchassis.
TheCOMmoduleispurchasedseparately.
2. CPU and chassis fan connectors (4-pin CPU_FAN, and 4-pin CHA_FAN)
Connectthefancablestothefanconnectorsonthemotherboard,ensuringthatthe
black wire of each cable matches the ground pin of the connector.
DONOTforgettoconnectthefancablestothefanconnectors.Insufcientairowinside
thesystemmaydamagethemotherboardcomponents.Thesearenotjumpers!DONOT
place jumper caps on the fan connectors.
H81T R2.0
H81T R2.0 Serial port connector
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
H81T R2.0
H81T R2.0 Fan connectors
CHA_FAN
CPU_FAN
CPU FAN PWM
CPU FAN IN
+12V
GND
CHASSIS FAN PWM
CHA FAN IN
CHA FAN PWR
GND
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