Removing The Backplane Or Back Plate (3.5-Inch Drives) - IBM x3250 M3 Problem Determination And Service Manual

4. Install the cover (see "Installing the cover" on page 130).
5. Slide the server into the rack.
6. Connect the cables and power cords.
7. Turn on all attached devices and the server.

Removing the backplane or back plate (3.5-inch drives)

To remove the Serial Attached SCSI (SAS) backplane, which is also referred to as
the hot-swap SAS/SATA backplane, or to remove the simple-swap SATA back plate,
complete the following steps.
Note: The following illustration shows removing the hot-swap SAS/SATA backplane.
1. Read the safety information that begins on page vii and "Installation guidelines"
2. Turn off the server and peripheral devices, and disconnect the power cords and
3. Remove the server from the rack and place it on a flat, static-protective surface.
4. Pull the hard disk drives out of the server slightly to disengage them from the
5. Remove the cover (see "Removing the cover" on page 130).
6. Lift the backplane or back plate out of the server.
7. Disconnect the backplane or back plate cables:
172
IBM System x3250 M3 Types 4251, 4252, and 4261: Problem Determination and Service Guide
Operator
information
panel
Connectors
on page 127.
all external cables.
backplane or back plate.
v If the server is a hot-swap model, disconnect the SAS/SATA controller signal
cable, the power cable, and the configuration cable from the backplane.
Front panel
USB
connector
Operator
information panel
connector
Guide channels