Figure 127. Cable routing – 8 x 3.5 inch drive backplane with adapter PERC (slot 3)
1 backplane 2 backplane signal cable
3 backplane power cable 4 system board
5 adapter PERC on slot 3 6 SAS cable
System battery
The system battery is used for low-level system functions such as powering the real-time and date settings of the system.
Replacing the system battery
Prerequisites
WARNING: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or
equiv
alent type recommended by the manufacturer. For more information, see the safety information that shipped with your
system.
1 Follow the safety guidelines listed in Safety instructions.
2 Follow the procedure listed in Before working inside your system.
3 If applicable, close the PCIe card holder latch on the air shroud to release the full length card.
4 If applicable, disconnect the cables from expansion card(s) in the expansion card riser 1.
5 Remove the expansion card riser 1
.
Steps
1 Locate the battery socket. For more information, see the System board jumpers and connectors section.
CAUTION: To avoid damage to the battery connector, you must rmly support the connec
tor while installing or removing a
battery.
2 Use a plastic scribe to pry out the system battery.
Installing and removing system components 165
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