Lenovo System x3750 M4, Installation And Service Manual

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Step 2. Turn off the server (see “Turning off the server” on page 23) and all attached peripheral devices.
Disconnect all power cords; then, disconnect all external cables as necessary to replace the device.
Step 3. Slide the server out of the rack.
Step 4. Remove the top cover (see “Removing the server top cover” on page 216).
Step 5. Pull the drives and filler panels out of the server slightly to disengage them from the drive backplane.
Step 6. Remove the fan cage assembly (see “Removing the fan cage assembly” on page 252).
Step 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.
Step 8. Disconnect the long SAS signal cables from the backplane.
Step 9. Disconnect the short interposer cables from the backplane (which attaches this backplane to the
other backplane in this configuration).
Step 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.
Step 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.
Step 12. If you are instructed to return the drive backplane, follow all packaging instructions, and use any
packaging materials for shipping that are supplied to you.
Replacing the 8x2.5-inch drive backplane with controller expander
Use this information to replace the 8x2.5-inch drive backplane with controller expander.
To install the 8x2.5-inch drive backplane with controller expander, complete the following steps:
Step 1. Read the safety information and installation guidelines, see “Safety” on page v and “Installation
guidelines” on page 38.
Chapter 6
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Removing and replacing components
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