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Hardware Installation
15) LED_BMC (BMC Firmware Readiness LED)
State Description
On BMCrmwareisinitial
Blink BMCrmwareisready
Off AC loss
16) BAT (Battery Socket)
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.
• Used batteries must be handled in accordance with local environmental regulations.
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