ASRock FM2A58M-HD User Manual - Page 28
Chassis and Power Fan, Chassis Speaker Header - + cpu support
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FM2A58M-HD+ Chassis Speaker Header (4-pin SPEAKER 1) (see p.10 No. 6) DUMMY SPEAKER 1 +5V DUMMY Please connect the chassis speaker to this header. Chassis and Power Fan Connectors FAN_SPEED_CONTROL (4-pin CHA_FAN1) CHA_FAN_SPEED (see p.10 No. 11) +12V GND Please connect the fan cable to the fan connector and match the black wire to the ground pin. (3-pin PWR_FAN1) (see p.10 No. 2) CPU Fan Connector FAN_SPEED_CONTROL (4-pin CPU_FAN1) CPU_FAN_SPEED +12V (see p.10 No. 3) GND 1 2 3 4 Please connect the CPU fan cable to the 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. 5) 12 24 Please connect an ATX power supply to this connector. 1 13 Though this motherboard provides 24-pin ATX power connector, 12 24 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 1 13 English 23