Gigabyte GA-H81M-H 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.
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
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 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.
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.
7 7
SATA3
1 1
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.
7 7
SATA2
1 1
object like a screwdriver to touch the positive and negative terminals of the battery holder,
DEBUG DEBUG
making them short for 5 seconds.)
PORT PORT
Pin No. Definition
DEBUG DEBUG
PORT PORT
1
2
1 0
3
4
5
6
7
Pin No. Definition
1
2
3
3 2
4
5
6
7
- 13 -
GND
TXP
TXN
GND
RXN
RXP
GND
GND
TXP
TXN
GND
RXN
RXP
GND