28) BAT (Battery)
Thebatteryprovidespowertokeepthevalues(suchasBIOScongurations,date,andtimeinformation)
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.
• 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.
27) CASE_OPEN (Case open intrusion alert header)
Open: Normal operation.
Closed: Active chassis intrustion alert.