Removal and replacement procedures 43
10.
If the cache module is connected to a capacitor pack, disconnect the capacitor pack cable from the
connector on the top of the cache module.
To replace the component, reverse the removal procedure.
CAUTION: To prevent damage to the cache module during installation, be sure the cache
module is fully inserted before pressing down.
Flash-backed write cache capacitor pack
WARNING: To reduce the risk of personal injury, electric shock, or damage to the equipment,
remove the power cord to remove power from the server. The front panel Power On/Standby
button d
oes not completely shut off system power. Portions of the power supply and some internal
circuitry remain active until AC power is removed.
To remove the component:
1. Back up all data.
2. Close all applications.
3. Power down the server (on page 25).
4. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
CAUTION: In systems that use external data storage, be sure that the server is the first unit to be
powered down and the last to be powered back up. Taking this precaution ensures that the system
does not erroneously mark the drives as failed when the server is powered up.
5. Extend the server from the rack (on page 25).
6. Remove the access panel ("Access panel" on page 29).
7. If it is populated with expansion boards, remove the PCIe riser cage for better access ("PCIe riser cage
(primary)" on page 31).
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