Asus N3050I-C User Guide - Page 20

N3150I-C / N3050I-C Fan connectors

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2. Serial port connector (10-1 pin COM1) 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. COM2 CTS DSR DTR RXD RI RTS GND TXD DCD PIN 1 N3150I-C N3050I-C N3150I-C / N3050I-C Serial port connector The COM module is purchased separately. 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. CPU_FAN CHA_FAN N3150I-C / N3050I-C Fan connectors Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! N3150I-C N3050I-C CPU FAN PWM CPU FAN IN +12V GND CHAFAN_PWM CHA FAN IN CHAFANPWR GND 1-12 Chapter 1: Product introduction

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1-12
Chapter 1: Product introduction
2.
Serial port connector (10-1 pin COM1)
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.
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. Insufficient air flow inside the
system may damage the motherboard components. These are not jumpers! Do not place
jumper caps on the fan connectors!
The COM module is purchased separately.
N3050I-C
N3150I-C / N3050I-C Serial port connector
PIN 1
COM2
RI
RTS
GND
TXD
DCD
CTS
DSR
DTR
RXD
N3150I-C
N3050I-C
N3150I-C / N3050I-C Fan connectors
CHA_FAN
CPU_FAN
CPU FAN PWM
CPU FAN IN
+12V
GND
CHAFAN_PWM
CHA FAN IN
CHAFANPWR
GND
N3150I-C