Gigabyte GA-B75M-HD3 Manual - Page 19

9) F_AUDIO (Front Panel Audio Header) The front panel audio header supports Intel High Definition audio (HD) and AC'97 audio. You may connect your chassis front panel audio module to this header. Make sure the wire assignments of the module connector match the pin assignments of the motherboard header. Incorrect connection between the module connector and the motherboard header will make the device unable to work or even damage it. For HD Front Panel Audio: For AC'97 Front Panel Audio: Pin No. Definition Pin No. Definition 9 1 1 MIC2_L 10 2 2 GND 1 MIC 2 GND 3 MIC2_R 3 MIC Power 4 -ACZ_DET 4 NC 5 LINE2_R 5 Line Out (R) 6 GND 6 NC 7 FAUDIO_JD 7 NC 8 No Pin 8 No Pin 9 LINE2_L 9 Line Out (L) 10 GND 10 NC •• The front panel audio header supports HD audio by default. •• Audio signals will be present on both of the front and back panel audio connections simultaneously. •• Some chassis provide a front panel audio module that has separated connectors on each wire instead of a single plug. For information about connecting the front panel audio module that has different wire assignments, please contact the chassis manufacturer. 10) F_USB30 (USB 3.0/2.0 Header) The header conforms to USB 3.0/2.0 specification and can provide two USB ports. For purchasing the optional 3.5" front panel that provides two USB 3.0/2.0 ports, please contact the local dealer. 1 F_USB30 10 F_AUDIO(H) 20 11 Pin No. Definition Pin No. Definition 1 VBUS 11 D2+ 2 SSRX1- 12 D2- 3 SSRX1+ 13 GND 4 GND 14 SSTX2+ 5 SSTX1- 15 SSTX2- 6 SSTX1+ 16 GND 7 GND 17 SSRX2+ DB_PORT BIOS 8 D1- 18 SSRX2- 9 D1+ 19 VBUS 10 NC 20 No Pin TPM w/housing Voltage measurement module(X58A-OC) PW - 19 - PCIe power connector (SATA)(X58A-OC)