Lenovo 5458 Installation And Service Manual page 264

Figure 163. Software RAID signal cable routing for redundant power supply
4. Lift the backplate out of the server.
5. Slide the replacement backplate into the guide channels, making sure that any
6. Replace the backplate assembly (see "Replacing the 2.5-inch simple-swap hard
7. Connect the respective signal and power cables of the replacement backplate to
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System x3250 M5 Type 5458: Installation and Service Guide
nearby wires or cables are not trapped or pinched.
disk drive backplate assembly" on page 239 or "Replacing the 3.5-inch
simple-swap hard disk drive backplate assembly" on page 244).
the hardware RAID card and power supply (fixed or redundant).
Note: Make sure the relevant cables pass through the cable clips.