1.7.2Internal 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.

COM

CTS

DSR

DTR

RXD

PIN 1

DCD TXD GND RTS RI

Z97-K

Z97-K Serial port (COM) connector

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.

CPU_FAN CHA_FAN2

Z97-K

CPU FAN PWM CPU FAN IN CPU FAN PWR GND

CHA FAN PWM CHA FAN IN CHA FAN PWR GND

CHA_FAN1

GND

CHA FAN PWR

CHA FAN IN

CHA FAN PWM

Z97-K 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.

•Ensure that the CPU fan cable is securely installed to the CPU fan connector.

ASUS Z97-K

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