76 Installing System Components
SAS Controller Cards

Removing a SAS Controller Card

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. 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, including any attached peripherals, and disconnect the system from the electrical
outlet.
2
Open the system. See "Opening the System" on page 46.
3
Disconnect the data cable(s) from the controller card.
4
If you are removing a SAS RAID controller, disconnect the RAID battery cable from the card.
5
Remove the card from the expansion slot.
See "Removing an Expansion Card" on page55.

Installing a SAS Controller Card

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. 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, including any attached peripherals, and disconnect the system from the electrical
outlet.
2
Open the system. See "Opening the System" on page 46.
3
Install the controller card in the expansion slot labeled INTERNAL_STORAGE.
For instructions on installing the card, see "Installing an Expansion Card" on page53.
4
Connect the card to the SAS backplane
If you are installing a SAS controller card
, connect the SAS data cable to connector SAS A on the
backplane. See Figure6-3.
If you are installing a SAS RAID controller card
, connect the SAS data cable from the blue
connector 0 on the card to connector SAS A on the backplane, and from connector 1 on the card
to connector SAS B on the backplane. See Figure6-3.

Installing the SAS RAID Controller Card Battery

To install the RAID battery, insert the battery into the plastic battery holder on the inner side of the
chassis, and connect the battery cable to the connector on the SAS RAID controller card next to the
RAID memory module.