ASRock N68C-GS UCC User Manual - Page 23
Chassis and Power Fan Connectors - cpu
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C. Connect Ground (GND) to Ground (GND). D. MIC_RET and OUT_RET are for HD audio panel only. You don't need to connect them for AC'97 audio panel. E. Enter BIOS Setup Utility. Enter Advanced Settings, and then select Chipset Configuration. Set the Front Panel Control option from [Auto] to [Enabled]. System Panel Header (9-pin PANEL1) (see p.11 No. 19) PLED+ PLEDPWRBTN# GND 1 DUMMY RESET# GND HDLEDHDLED+ This header accommodates several system front panel functions. Chassis Speaker Header (4-pin SPEAKER 1) (see p.11 No. 18) 1 SPEAKER DUMMY DUMMY +5V Please connect the chassis speaker to this header. Chassis and Power Fan Connectors (3-pin CHA_FAN1) (see p.11 No. 20) GND +12V CHA_FAN_SPEED Please connect the fan cables to the fan connectors and match the black wire to the ground pin. (3-pin PWR_FAN1) (see p.11 No. 24) GND +12V PWR_FAN_SPEED CPU Fan Connector (4-pin CPU_FAN1) (see p.11 No. 2) 4 3 2 1 GND +12V CPU_FAN_SPEED FAN_SPEED_CONTROL 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.11 No. 8) 12 24 Please connect an ATX power supply to this connector. 1 13 23