Hitachi 3080 G2, Справочник по аппаратуре

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Replacing the NVRAM battery module
You can easily replace the NVRAM battery pack in a server. The battery
module is hot-swappable; however, if possible, shutdown the server before
replacing the module.
Prerequisites
Identify the server model before installing the battery.
Important: During the replacement procedure, the NVRAM contents are not
backed up by the battery pack. If a power failure occurs during this period,
NVRAM contents may be lost. See the appropriate hardware reference or
maintenance documentation for procedures to power down a server.
Figure 6-5 NVRAM battery module removal components - models 3080
and 3090
Item Description
1 Thumbscrew that holds the battery pack in place
2 Handle for moving the battery pack forward and backward in the chassis
Procedure
1. Remove the bezel cover from the front of the server for access to the
batteries.
2. Loosen the thumbscrew to the right of the battery pack module cover by
turning it counter-clockwise.
3. Using the handle, pull the battery pack module straight out of the
chassis.
The battery pack is automatically disconnected.
4. Insert the replacement module straight into the chassis, and gently but
firmly push the pack into position.
The battery pack is automatically connected.
66 Replacing server components
Hitachi NAS Platform 3080/3090 G2 Hardware Reference Guide