Raid Battery; Removing A Raid Battery - Dell PowerEdge T300 Series Hardware Owner's Manual

14 Turn on the system and attached peripherals.
15 Install any device drivers required for the card.
See the documentation for the card for information about installing the
card's device drivers.

RAID Battery

The information in this section applies only to systems with the optional
battery-cached SAS/RAID controller card.

Removing a RAID Battery

CAUTION:
Only trained service technicians are authorized to remove the system
cover and access any components inside the system. Before performing any
procedure, see your Product Information Guide for complete information about
safety precautions, working inside the computer, and protecting against
electrostatic discharge.
1 Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet and from the peripherals.
2 Remove the system cover (see "Removing the System Cover" on page 66).
3 Disconnect the cable between the RAID battery and the SAS controller
card, then remove the battery cable from the battery cable slot in the
chassis.
4 Press outward on the battery carrier release tab, then slide the battery
carrier up and out of the system.
5 Press outward on the battery carrier retention tabs and remove the RAID
battery from the battery carrier.
Installing System Components
99