ASRock 970 Extreme4 Quick Installation Guide - Page 31

The front panel design may differ by chassis. A front panel module mainly consists of power switch, reset switch, power LED, hard drive activity LED, speaker and etc. When connecting your chassis front panel module to this header, make sure the wire assignments and the pin assign-ments are matched correctly. Chassis Speaker Header (4-pin SPEAKER 1) (see p.2 No. 20) 1 SPEAKER DUMMY +5V DUMMY Power LED Header (3-pin PLED1) (see p.2 No. 18) Please connect the chassis speaker to this header. Please connect the chassis power LED to this header to indicate system power status. The LED is on when the system is operating. The LED keeps blinking in S1 state. The LED is off in S3/S4 state or S5 state (power off). Chassis and Power Fan Connectors (4-pin CHA_FAN1) (see p.2 No. 9) GND +12V CHA_FAN_SPEED FAN_SPEED_CONTROL (3-pin CHA_FAN2) (see p.2 No. 25) CHA_FAN_SPEED GND +12V (3-pin CHA_FAN3) (see p.2 No. 26) CHA_FAN_SPEED GND +12V (3-pin PWR_FAN1) (see p.2 No. 2) +12V GND PWR_FAN_SPEED Please connect the fan cables to the fan connectors and match the black wire to the ground pin. CHA_FAN1/2/3 fan speed can be controlled through UEFI or AXTU. CPU Fan Connectors (4-pin CPU_FAN1) (see p.2 No. 4) CPU_FAN_SPEED +12V FAN_SPEED_CONTROL GND 1 2 3 4 Please connect the CPU fan cable to the connector and match the black wire to the ground pin. English 31 ASRock 970 Extreme4 Motherboard