Gigabyte GA-Z77-HD4 Manual - Page 27
F_USB1/F_USB2 USB 2.0/1.1 Headers, F_USB30 USB 3.0/2.0 Header, For purchasing the optional
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Page 27 highlights
1 F_USB30 F_AUDIO(H) 11) 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. 20 1 G.QBOFM 11 10 DB_PORT BIOS Switc 1 1 TPM w/housing Pin No. 1 2 3 4 5 6 7 8 9 10 Definition VBUS SSRX1SSRX1+ GND SSTX1SSTX1+ GND D1D1+ NC Pin No. Definition 11 VolDta2ge+measurement module(X58A-OC) 12 D213 GND 14 SSTX2+ 15 SSTX216 GND 17 SPSCRIeXp2o+wer connector (SATA)(X58A-OC) 18 SSRX219 VBUS 20 No Pin PWM Swi DIP 1 23 DIP 12) F_USB1/F_USB2 (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 optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer. Voltage measurement poPinints(NGo1..SniDpeerfi3n)ition BIOS Switcher (SW4) 1 Power (5V) 9 1 10 2 2 Power (5V) 3 USB DX- 4 USB DY- 5 USB DX+ 6 USB DY+ 7 GND 8 GND 9 No Pin 10 NC •• Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB 2.0/1.1 header. •• 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. - 27 - Hardware Installation