1. Installing Internal Optional Devices
Express5800/R120e-2E User’s Guide
75
Chapter 2 Preparations
1.11
Extra Battery / Flash Backup Unit for RAID Controller
If a RAID Controller (N8103-161/168/172/173/174) is installed, use the extra battery or flash backup unit (FBU) to
avoid data loss caused by accidents including temporary blackout during a Write Back operation. The model of
the extra battery and flash backup unit to be used depends on RAID Controller.
•
For N8103-172/173/174, use N8103-153.
•
For N8103-161/168, use FBU.
1.11.1
Handling precautions
Described below are the precautions to be observed whenever using the extra battery. Be sure to observe the
following, otherwise property such as data or other devices might be destroyed.
•
Use the extra battery dedicated to the RAID Controller you are using.
•
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 extra battery.
•
For recycling and disposing of the extra battery, refer to the User’s Guide that comes with it.
1.11.2
Installing N8103-153 extra battery
This section describes the procedure of installing an extra battery for RAID Controller.
1. Refer
to
Chapter 2
(
1.3 Overview of Installation and Removal
) for preparations.
2.
Lift the processor duct off the server and remove it.
3.
Remove the riser card from the slot in which you are going to install an extra battery. Refer to
Chapter 2
(1.13 PCI Card
).
4.
Connect the cable to the additional battery.
When connecting the cable, orient the
cable so that its marking will fit the
connector.
5.
Remove the battery bracket from the duct.
Battery bracket
