1. Installing Internal Optional Devices
Express5800/T110g-E User’s Guide
60
Chapter 2 Preparations
1.10
Extra Battery for RAID Controller
The optional extra battery is used in order to avoid data loss caused by accidents during a write-back
operation. The model of the extra battery to be used depends on a RAID controller.
For N8103-172/173/174, use N8103-155 extra battery
For N8103-168, use flash backup unit that comes with N8103-168 RAID controller
Handling precautions
1.10.1
Observe the following precautions to use the extra battery.
Use the extra battery that supports the RAID controller used.
The extra battery is a very delicate electronic device. Before installation, touch the metal frame part of
the server to discharge the static electricity from your body.
Do not drop or bump the backup battery.
For recycling and disposing the backup battery, refer to the manual that comes with it.
Installing N8103-155 extra battery
1.10.2
Install an extra battery in the server by using the following procedure.
Note
Read through the manual supplied with the RAID controller before installation.
Filling out the date on the Set up date label
Write down the installation date (year and month) on the Set up date label supplied with the extra battery.
Attach the label on the battery cover or somewhere easy to find on the server.
Important The battery life is about two years. If it has been used for two years or more,
replace it soon with a new battery pack, referring to the manual for the extra
battery.
Writing the date to the setup label
Preparation for installation
Connecting to RAID controller
Finish
Installing the battery
Connecting the battery control cable
Fill out the
Set up date
label supplied with the battery
Write the date.
Example:
Y
13.
M
06
