114 Installing System Components
6
Reconnect the system to its electrical outlet and turn the system on,
including any attached peripherals.
RAID Battery
The information in this section applies only to systems with the optional
battery-cached PERC controller card.
CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.

Removing a RAID Battery

CAUTION: Before disconnecting the RAID battery cable from the PERC card,
perform a controlled shutdown to ensure that data in the cache is written.
1
Pull back gently on the edge of the battery bay and draw out the RAID
battery from the battery carrier.
2
Disconnect the cable between the RAID battery and the PERC controller
card.

Installing a RAID Battery

1
Connect the battery cable to the connector on the battery.
2
Locate the battery bay on
the inner wall of the chassis next to the control
panel board
. See Figure3-1.
3Insert the battery into the battery holder.
4
Connect the battery cable to the battery connector on the RAID
controller.

Removing the PERC 6/I Battery Cable

1
Turn off the system, including any attached peripherals, and disconnect
the system from the electrical outlet.
2
Open the system. See "Opening the System."