ASRock ConRoe865GV User Manual - Page 22

System Panel Header (9-pin PANEL1) (see p.11 No. 14) Chassis Speaker Header (4-pin SPEAKER 1) (see p.11 No. 15) PLED+ PLEDPWRBTN# GND 1 DUMMY RESET# GND HDLEDHDLED+ 1 SPEAKER DUMMY DUMMY +5V This header accommodates several system front panel functions. Please connect the chassis speaker to this header. Chassis Fan Connector (3-pin CHA_FAN1) (see p.11 No. 13) 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.11 No. 5) You may connect either a 3-pin 1 GND or a 4-pin CPU fan cable to this 2 +12V 3 CPU_FAN_SPEED connector, then match the black 4 FAN_SPEED_CONTROL 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 (20-pin ATXPWR1) (see p.11 No. 29) Please connect an ATX power supply to this connector. COM Port Header (9-pin COM1) (see p.11 No. 20) RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 This COM port header is used to support a COM port module. 22