Gigabyte GA-990FXA-UD3 Manual - Page 30

15) 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. 1 You may clear the CMOS values by removing 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 F_UsSeBc3o0nds.) F_AUDIO(H) 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 your- self or uncertain about the battery model. • When installing the battery, note the orientation of the positive side (+) and the negative side (-) of the battery (the positive side should face up). • Used batteries must be handled in accordance with local environmental regulations. DB_PORT 16) TPM (Trusted Platform Module Header) You may connect a TPM (Trusted Platform Module) to this header. BIOS Switc 1 1 19 TPM w/housing 20 Pin No. 1 2 3 4 5 6 7 8 9 10 Definition LCLK GND LFRAME No Pin LRESET NC LAD3 LAD2 VCC3 LAD1 1 Voltage measurement module(X58A-OC) PWM Swi DIP 2 DIP Pin No. Definition 1 23 11 LAD0 12 GND PCIe power connector (SATA)(X58A-OC) 13 NC 14 ID 15 SB3V 16 SERIRQ 17 GND 18 NC 19 NC 20 SUSCLK Hardware Installation - 30 -