Removing the 8x2.5-inch drive backplane with controller
expander
To remove 8x2.5-inch drive backplane with controller expander, complete the
following steps:
1. Read the safety information that begins on page “Safety” on page vii and
“Installation guidelines” on page 33.
2. Turn off the server (see “Turning off the server” on page 21) and all attached
peripheral devices. Disconnect all power cords; then, disconnect all external
cables as necessary to replace the device.
3. Slide the server out of the rack.
4. Remove the top cover (see “Removing the server top cover” on page 206).
5. Pull the drives and filler panels out of the server slightly to disengage them
from the drive backplane.
6. Remove the fan cage assembly (see “Removing the fan cage assembly” on
page 245).
7. Disconnect the combination power/configuration cable from the backplane. If
a SAS signal cable is attached to the drive backplane, disconnect it.
Note: You can also choose to disconnect the cables after removing the
backplane, if that is easier for you.
8. Disconnect the long SAS signal cables from the backplane.
9. Disconnect the short interposer cables from the backplane (which attaches this
backplane to the other backplane in this configuration).
10. Lift the retention latch or latches on top of the backplane cage; then, rotate the
backplane down and pull it out of the retention latch and remove it from the
server.
11. Remove the two screws from the card with the short interposer cables
attached to it from the old backplane and attached them to the new backplane
using the two screws.
270 System x3750 M4 Types 8722 and 8733: Installation and Service Guide
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