TX300 S7 / RX350 S7 Upgrade and Maintenance Manual 539
Expansion cards and backup units
Ê Remove the AC power cords from the PSU cable brackets and disconnect
them from the system as described in section "Disconnecting the server
from the mains" on page 72.
Ê When working on a rack-mounted server, extend it out of the rack as
described in section "Extending the server out of the rack" on page 76.
If further required, remove the server from the rack as described in section
"Removing the server from the rack" on page 77.
Ê Bring the server to its horizontal position.
Ê Open the side / top cover as described in section "Removing the top cover"
on page 79 (rack server) or "Removing the side cover" on page 88 (tower
server).
Ê Remove the air duct as described in section "Removing the system air duct"
on page 100.
Ê Locate the defective expansion card using the onboard Local Diagnostic
LEDs as described in section "Onboard indicators and controls" on
page 951.
9.6.3.3 Removing the defective SAS RAID controller
Ê Remove the defective SAS RAID controller as described in section
"Removing the SAS RAID controller" on page 535.
Ê If the RAID card holder on the defective controller is to be reused, remove it
from the board as described in section "Preparing the SAS RAID controller"
on page 530.
9.6.3.4 Installing the new SAS RAID controller
Ê If applicable, install the RAID card holder on the new SAS RAID controller
as described in section "Preparing the SAS RAID controller" on page 530.
Ê Install the new SAS RAID controller as described in section "Installing the
SAS RAID controller" on page 529.
9.6.3.5 Connecting cables to the expansion card
Ê Connect SAS cables to the SAS RAID controller.
I For a complete cabling overview, please refer to section "Cabling
overviews" on page 911.
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