ASRock 775Dual-915GV User Manual - Page 24
Please connect an ATX 12V
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System Panel Header (9-pin PANEL1) (see p.12 No. 19) Chassis Speaker Header (4-pin SPEAKER 1) (see p.12 No. 18) Chassis Fan Connector (3-pin CHA_FAN1) (see p.12 No. 17) CPU Fan Connector (4-pin CPU_FAN1) (see p.12 No. 4) ATX Power Connector (20-pin ATXPWR1) (see p.12 No. 31) 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. GND +12V CHA_FAN_SPEED Please connect a chassis fan cable to this connector and match the black wire to the ground pin. Please connect a CPU fan cable to this connector and match the black wire to the ground pin. Please connect an ATX power supply to this connector. COM Port Header (9-pin COM1) (see p.12 No. 23) ATX 12V Connector (4-pin ATX12V1) (see p.12 No. 2) 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. Please connect an ATX 12V power supply to this connector. 24
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