ASRock 775i45GV User Manual - Page 19

Front panel audio connector (9-pin AUDIO1) (see p.9 item 21) System panel Header (9-pin PANEL1) (see p.9 item 14) Chassis speaker Header (4-pin SPEAKER 1) (see p.9 item 16) Chassis fan connector (3-pin CHA_FAN1) (see p.9 item 13) CPU fan connector (4-pin CPU_FAN1) (see p.9 item 5) ATX power connector (20-pin ATXPWR1) (see p.9 item 7) GND +5VA BACKOUT-R BACKOUT-L 1 A U D - O U T- L DUMMY A U D - O U T- R MIC-POWER MIC PLED+ PLEDPWRBTN# GND 1 DUMMY RESET# GND HDLEDHDLED+ 1 SPEAKER DUMMY DUMMY +5V GND +12V CHA_FAN_SPEED This is an interface for fro panel audio cable that allows convenient connection and control of audio devices. This connector accommodates several system front panel functions. This connector allows you to attach to a chassis speaker. Connect the fan cable to the connector matching the black wire to the ground pin. GND +12V CPU_FAN_SPEED N/C Connect the fan cable to the connector matching the black wire to the ground pin. Connect an ATX power supply to the connector. Com port Header (9-pin COM1) (see p.9 item 15) ATX 12V Connector (4-pin ATX12V1) (see p.9 No. 2) RRXD1 DDTR#1 DDSR#1 CCTS#1 1 RRI#1 RRTS#1 GND TTXD1 DDCD#1 This COM header supports a serial port module. Please note that it is necessary to connect a power supply with ATX 12V plug to this connector so that it can provides sufficient power. Failing to do so will cause the failure to power up. 19