Gigabyte GA-A75-UD4H User Manual - Page 29
F_USB1/F_USB2/F_USB3/F_USB4 USB 2.0/1.1 Headers, F_USB30_1/F_USB30_2 USB 3.0/2.0 Headers
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11) F_USB1/F_USB2/F_USB3/F_USB4 (USB 2.0/1.1 Headers) The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an G optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer. Pin No. Definition 1 Power (5V) 2 Power (5V) 9 1 3 USB DX- 10 2 4 USB DY- 5 USB DX+ 6 USB DY+ 7 GND 8 GND 9 No Pin 10 NC 12) F_USB30_1/F_USB30_2 (USB 3.0/2.0 Headers) The headers conform to USB 3.0/2.0 specification. Each USB header can provide two USB ports. For pur-chasing the optional 3.5" front panel that provides two USB 3.0/2.0 ports, please contact the local dealer. 1 10 F_USB30 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 When the system is in S4/S5 mode, only the USB ports routed to the F_USB1 header can sup- port the ON/OFF Charge function. Voltage measurement module(X58A-OC) TPM •• Do not plug the IEEE 1394 bracketw(/h2oxu5si-npgin) cable into the USB 2.0/1.1 header. PW •• Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord from the power outlet to prevent damage to the USB bracket. - 29 - PCIe power connector (SATA)(X58A-OC) Hardware Installation