Apple M8889LL/A User Guide - Page 67

Replacing the Battery

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9 Close the card retainer on the back panel and tighten its thumbscrew. Swing the small metal plate to its closed position, and tighten the thumbscrew. Warning If you removed a card from the server and did not install a replacement, be sure to place a port access cover over the empty slot in the back panel. Do not leave an empty slot without a cover. An uncovered slot can affect the air flow that cools the server's internal components and cause damage. 10 Close the server and reconnect any cords or cables that you detached. Replacing the Battery The server has a 3.6 V lithium battery installed on the main logic board. Some signs that you need to replace the battery are intermittent problems starting up the computer and random changes in its date and time settings. You can purchase a replacement battery from the dealer where you bought your server. Warning There is a risk of explosion if the incorrect type of battery is installed. 1 Shut down the server. Be sure to alert users of the server that it will be unavailable for a period of time. 2 Unplug the power cord from the back panel of the server. (If the cable-management arm is not attached, you will also have to disconnect cables from the back panel.) Warning The only way to disconnect power completely is to unplug the power cord. Make sure that the cord is disconnected before removing or installing any components inside the server. Installing or Replacing Server Components 67

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Installing or Replacing Server Components
67
9
Close the card retainer on the back panel and tighten its thumbscrew.
10
Close the server and reconnect any cords or cables that you detached.
Replacing the Battery
The server has a 3.6 V lithium battery installed on the main logic board. Some signs that you
need to replace the battery are intermittent problems starting up the computer and random
changes in its date and time settings. You can purchase a replacement battery from the
dealer where you bought your server.
1
Shut down the server.
Be sure to alert users of the server that it will be unavailable for a period of time.
2
Unplug the power cord from the back panel of the server. (If the cable-management arm is
not attached, you will also have to disconnect cables from the back panel.)
Swing the small metal plate
to its closed position, and
tighten the thumbscrew.
Warning
If you removed a card from the server and did not install a replacement, be
sure to place a port access cover over the empty slot in the back panel. Do not leave an
empty slot without a cover. An uncovered slot can affect the air flow that cools the
server’s internal components and cause damage.
Warning
There is a risk of explosion if the incorrect type of battery is installed.
Warning
The only way to disconnect power completely is to unplug the power cord.
Make sure that the cord is disconnected before removing or installing any components
inside the server.