Extra Battery / Flash Backup Unit For Raid Controller; Handling Precautions; Installing N8103-153 Extra Battery - NEC Express5800 Series User Manual

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

Below are the precautions to be observed whenever using the backup battery. Be sure to observe the
following, otherwise property such as data or other devices might be destroyed.
•
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 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.
There are two types of battery bracket; made of metal and made of plastic.
Battery bracket made of metal:
1. Refer to steps 1 to 6 in Chapter 2 (1.3 Overview of Installation and Removal) for preparations.
2. Lift the processor duct and remove it from the server.
3. Remove the riser card from the slot in which you are going to install an extra battery.
Refer to Chapter 2 (1.12 PCI Card) for how to remove the riser card.
Express5800/R120e-1E User's Guide
1. Installing Internal Optional Devices
71