Dell PowerEdge RAID Controller 6i: Removing the Transportable Battery Backup Unit (TBBU) from a PERC x/E Adapter Figure 1. PERC x/E Adapter Dirty Cache LED Location

Removing the Transportable Battery Backup Unit (TBBU)

from a PERC x/E Adapter

This section describes the procedure to remove the TBBU from a PERC

x

/E

Adapter installed in a system.

NOTE: The TBBU on the PERC x/E Adapter consists of a dual in-line memory

module (DIMM) and a battery backup unit (BBU).

1

Perform a controlled shutdown of the system in which the PERC

x

/E

Adapter is installed, as well as any attached storage enclosures, and remove

the PERC

x

/E Adapter from the system. See the

Dell PowerEdge Expandable

RAID Controller x/i and x/E User’s Guide

for more information.

2

Visually inspect the controller and determine whether the dirty cache LED

on the memory module is turned on. See Figure 1. If the LED is turned on,

reinsert the controller into the system, replace the system cover, reconnect

the system to the electrical outlet, turn on the system, and repeat step 1.

Figure 1. PERC x/E Adapter Dirty Cache LED Location

2

1

3

4

1 memory module 2 battery

3 dirty cache LED 4 PERC x/E Adapter

CAUTION: Running a system without the system cover installed may cause

damage due to improper cooling.

4 Removing and Installing the Battery and Battery Cable on PERC Controllers