15) BAT (Battery)
Thebatteryprovidespowertokeepthevalues(suchasBIOScongurations,date,andtimeinformation)
intheCMOSwhenthecomputeristurnedoff.Replacethebatterywhenthebatteryvoltagedropstoalow
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 object like a screwdriver to touch the positive and negative terminals of the battery
holder, making them short for 5 seconds.)
3. Replacethebattery.
4. Plug in the power cord and restart your computer.
• Always turn off your computer and unplug the power cord before replacing the battery.
• Replacethebatterywithanequivalentone.Damagetoyourdevicesmayoccurifthebatteryis
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.
16) SPKR (Speaker Header)
The system reports system startup status by issuing a beep code. One single short beep will be heard if no
problem is detected at system startup. This header can also provide audio output in the operating system.
PinNo. Denition
1 SPK+
2 SPK-
1
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