easier to disconnect cables from the backplane if you disconnect them from the storage interposer
first, reconnecting them to the storage interposer after removing the backplane or installing a new
one. Other cables might also need to be removed from their retaining clips or moved to the side to
remove the backplane.
Step 3. Lift and remove the hard disk drive backplane from the compute tray.
If you are not installing another hard disk drive backplane, after you remove the hard disk drive backplane:
• Replace or reposition the storage interposer. See “Install a storage interposer (lower tray)” on page 185.
• Make sure that all cables are routed and connected.
• Install the fan cage. See “Install a fan cage (lower tray)” on page 137.
• Install the lower compute tray. See “Install the compute tray (fully removed)” on page 125.
• Install the front cover. See “Install the front cover” on page 139.
If you are instructed to return the backplane, follow all packaging instructions and use any packaging
materials that are provided.
Install a hard disk drive backplane (upper tray)
Hard disk drive backplanes in the upper compute tray or optional storage tray are accessed from the front of
the server. There are several types of hard disk drive backplane. Steps that are backplane specific are noted
in each procedure.
S002
CAUTION:
The power control button on the device and the power switch on the power supply do not turn off the
electrical current that is supplied to the device. The device also might have more than one power
cord. To remove all electrical current from the device, ensure that all power cords are disconnected
from the power source.
CAUTION:
Make sure that all server power cords are disconnected from their power sources before performing
this procedure.
Complete the following steps to install a hard disk drive backplane in the upper compute tray or optional
storage tray.
Watch the procedure. A video of the replacement process is available:
• Youtube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-DbSYJFY74PoKmph7vgrkKH&playnext=1
• Youku: http://list.youku.com/albumlist/show/id_50952215
Step 1. Connect the power cable to the backplane. If this cable is connected to the storage interposer, you
might find it easier to disconnect it from the storage interposer and then reconnect it to the storage
interposer after the backplane is installed. See “Cable routing for drives” on page 29.
Step 2. Install the hard disk drive backplane.
148
ThinkSystem SR950 Setup Guide
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