Gigabyte GA-H81M-Gaming 3 User Manual - Page 13

5) BAT (Battery) The battery provides power to keep the values (such as BIOS configurations, date, and time information) in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a low level, or the CMOS values may not be accurate or may be lost. DEBUG DEBUG You may clear the CMOS valuePsORbyT rePmORovTing the battery: 1. Turn off your computer and unplug the power cord. 2. Gently remove the battery from the battery holder and wait for one minute. (Or use a metal object like a screwdriver to touch the positive and negative terminals of the battery holder, making them short for 5 seconds.) 3. Replace the battery. 4. Plug in the power cord and restart your computer. •• Always turn off your computer and unplug the power cord before replacing the battery. •• Replace the battery with an equivalent one. Danger of explosion if the battery is replaced with an incorrect model. •• Contact the place of purchase or local dealer if you are not able to replace the battery by yourself or uncertain about the battery model. •• When installing the battery, note the (the positive side should face up). orientatDPioOEnBRoUTfGthDPeOEBRpUoTGsitive side (+) and the negative side (-) of the battery •• Used batteries must be handled in accordance with local environmental regulations. 6) SATA3 0/1 (SATA 6Gb/s Connectors) The SATA connectors conform to SATA 6Gb/s standard and are compatible with SATA 3Gb/s and SATA 1.5Gb/s standard. Each SATA connector supports a single SATA device. 77 SATA3 10 11 Pin No. 1 2 3 4 Definition GND TXP TXN GND Pin No. 5 6 7 Definition RXN RXP GND 7) SATA2 2/3 (SATA 3Gb/s Connectors) The SATA connectors conform to SATA 3Gb/s standard and are compatible with SATA 1.5Gb/s standard. Each SATA connector supports a single SATA device. 77 SATA2 32 11 Pin No. 1 2 3 4 Definition GND TXP TXN GND Pin No. 5 6 7 Definition RXN RXP GND To enable hot-plugging for the SATA ports, refer to Chapter 2, "BIOS Setup," "Peripherals\SATA Configuration," for more information. 8) 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. 9 1 10 2 Pin No. 1 2 3 4 Definition Power (5V) Power (5V) USB DXUSB DY- Pin No. 5 6 7 8 Definition USB DX+ USB DY+ GND GND Pin No. 9 10 Definition No Pin NC •• Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB 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. - 13 -