ASRock NF6-GLAN User Manual - Page 21

Chassis Speaker Header (4-pin SPEAKER 1) (see p.10 No. 18) 1 SPEAKER DUMMY DUMMY +5V Please connect the chassis speaker to this header. Chassis Fan Connector (3-pin CHA_FAN1) (see p.10 No. 20) GND +12V CHA_FAN_SPEED Please connect a chassis fan cable to this connector and match the black wire to the ground pin. CPU Fan Connector (4-pin CPU_FAN1) (see p.10 No. 5) +12V CPU_FAN_SPEED GND FAN_SPEED_CONTROL 1 2 3 4 Please connect the CPU fan cable to this connector and match the black wire to the ground pin. Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin CPU fan still can work successfully even without the fan speed control function. If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this motherboard, please connect it to Pin 1-3. Pin 1-3 Connected 3-Pin Fan Installation ATX Power Connector (24-pin ATXPWR1) (see p.10, No. 31) 13 1 Please connect an ATX power supply to this connector. 24 12 Though this motherboard provides 24-pin ATX power connector, 13 1 it can still work if you adopt a traditional 20-pin ATX power supply. To use the 20-pin ATX power supply, please plug your power supply along with Pin 1 and Pin 13. 20-Pin ATX Power Supply Installation 24 12 ATX 12V Power Connector (4-pin ATX12V1) (see p.10 No. 2) Please note that it is necessary to connect a power supply with ATX 12V plug to this connector. Failing to do so will cause power up failure. 21