IBM System x3550 M3 Type 4254 Installation And User Manual page 113

11. Align the sides of the hard disk drive backplane with the slots on the
backplane bracket.
12. Insert the hard disk drive backplane into the slots on the backplane bracket
and push the hard disk drive backplane down until the backplane is fully
seated.
Note: You can reconnect the cables to the hard disk drive backplane before
installing the backplane onto the brackets or you can connect the cables after
you install the backplane, if that is easier for you.
Backplane
bracket slots
Figure 77. Hard disk drive backplane installation
13. Connect the SATA power cable, the SATA signal cable, and the configuration
cable to the hard disk drive backplane (see "Internal cable routing and
connectors" on page 46).
Note: The configuration cable will not be shipped with this option. The
configuration cable is already installed from the system board to the original
backplane, this cable is two drops chained cable. Connect the end of this cable
to the newly-added 4 Pac HDD backplane.
14. Connect the other end of the SATA signal cable to the connector on the
SAS/SATA adapter (see step 8 on page 76).
15. Reinstall the hard disk drives and filler panels.
Results
If you have other devices to install or remove, do so now. Otherwise, go to
"Completing the installation" on page 106.
Hard disk drive
backplane
Chapter 2. Installing optional devices
99