Acer Altos R700 Series Manuale Utente Scaricare il pdf (Pagina 53)

Replacing the Back up Battery

The lithium battery on the server board powers the real time clock

(RTC) in the absence of AC power. When the battery starts to weaken,

it loses voltage, and the server settings stored in CMOS RAM in the RTC

(for example, the date and time) may be wrong. Contact your customer

service representative or dealer for a list of approved devices.

To replace the battery:

1 Before proceeding, record your custom BIOS settings.

2 Observe the safety and ESD precautions at the beginning of this

chapter.

3 Open the chassis and locate the battery.

4 Push the upper end of the metal retainer away from the battery-

the battery pops up.

5 Remove the battery from its socket.

6 Dispose of the battery according to local ordinance.

7 Remove the new lithium battery from its package.

8 Being careful to observe the correct polarity, lay the battery in the

socket.

9 Push the battery down-the metal retainer locks the battery in the

socket.

10 Close the chassis.

11 Run Setup to restore the configuration settings to the RTC.

12 Restore your custom BIOS settings.

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Acer Altos R700 Series Manuale Utente Pagina 53