Asus Z170-PRO User Guide - Page 31

3. CPU, CPU optional, extension, and chassis fan connectors (4-pin CPU_FAN; 4-pin CPU_OPT; 5-pin EXT_FAN, 4-pin CHA_FAN1~3) 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. A CPU_FAN B CPU_OPT C CHA_FAN3 A GND CHA FAN PWR CHA FAN IN B +5V CPU FAN PWM CPU FAN IN CPU FAN PWR GND CPU FAN PWM CPU FAN IN CPU FAN PWR GND C D E F D CHA_FAN1 CHA_FAN2 EXT_FAN PIN 1 +5V CHA FAN IN CHA FAN PWR GND +5V CHA FAN IN CHA FAN PWR GND EXTFAN_DET FANCARD_DETECT EXTFAN_SMB_CLK EXTFAN_SMB_DATA GND E F Z170 PRO GAMING 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. • The CPU_FAN connector supports a CPU fan of maximum 1 A (12 W) fan power. • The CPU_FAN connector and CHA_FAN connectors support the ASUS FAN Xpert 3 feature. • The EXT_FAN connector supports 2 of 5 thermal sensor sources. • The CPU fan connector detects the type of CPU fan installed and automatically switches the control modes. To configure the CPU fan's control mode, go to Advanced > Monitor > Q-Fan Configuration > CPU Q-Fan Control item in BIOS. • The chassis fan connectors support DC and PWM modes. To set these fans to DC or PWM, go to Advanced > Monitor > Q-Fan Configuration > Chassis Fan 1/2/3 Q-Fan Control items in BIOS. • The extension fan connectors support DC and PWM modes. To set these fans to DC or PWM, go to Advanced > Monitor > Q-Fan Configuration > Extension Fan 1/2/3 Q-Fan Control items in BIOS. The FAN EXTENSION CARD is purchased separately. ASUS Z170 PRO GAMING 1-21