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3. Remove the disk drives or disk drive blanks (“Disk drives” (page 114) or “Disk drive blanks”
(page 114)).
4. Lift the SAS back plane straight out of the server by the backplane handle.
To replace the component, reverse the removal procedure.
Server battery
If the server blade no longer automatically displays the correct date and time, you might have to
replace the battery that provides power to the real-time clock. Under normal use, battery life is 5
to 10 years.
WARNING! The computer contains an internal lithium manganese dioxide, a vanadium pentoxide,
or an alkaline battery pack. A risk of fire and burns exists if the battery pack is not properly handled.
To reduce the risk of personal injury:
• Do not attempt to recharge the battery.
• Do not expose the battery to temperatures higher than 60°C (140°F).
• Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water.
• Replace only with the spare designated for this product.
1. Power off the server and remove it from the enclosure (“Preparing the server blade for
servicing”).
2. Remove the access panel (“Access panel” (page 113)).
122 Removing and replacing components