User's Guide

1. Installing Internal Optional Devices
Express5800/R110g-1E User’s Guide
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Chapter 2 Preparations
1.11
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 N8103-154 extra battery
 For N8103-161/168, use flash backup unit that comes with RAID controller.
Handling precautions
1.11.1
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 N8103-154 extra battery (for N8103-172/173/174)
1.11.2
This section describes the procedure of installing an extra battery for RAID controller.
See Chapter 2 (1.3 Overview of Installation and Removal) for preparations. 1.
See Chapter 2 (1.6 Removing the Top Cover) to remove the top cover. 2.
Remove the RAID controller. 3.
While matching the marking, connect the
battery control cable that comes with
extra battery to RAID controller.
Remove one screw securing the riser
4.
card. Hold the both sides of the card and
lift it straight off the server.
Black marking