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a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the system.
3. Remove the system from the rack (Remove the system from the rack).
4. Place the system on a flat, level surface.
5. Remove the access panel (Remove the access panel).
6. Pull down the front drive cage release latches and use them to completely extend the front drive cages from the
chassis (Extend the front drive cages out of the chassis).
7. Remove the power pass-through board.
To replace the component, reverse the removal procedure.
Removing and replacing the system battery
If the system no longer automatically displays the correct date and time, then 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.
Prerequisites
Before you perform this procedure, make sure that you have the components included with the hardware kit.
Removal and replacement procedures
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