Lenovo ThinkEdge SE455 V3 User Manual page 119

CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current 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.
About this task
Attention:
• Read "Installation Guidelines" on page 39
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
Procedure
Step 1. To avoid interfering the internal drive cage, route the cables for internal drive backplane to the cable
clip on the processor air baffle to fix the cables.
Figure 80. Internal backplane cables on cable clip
Step 2. Install the internal drive cage.
a. Align the internal drive cage with the guide pins on the chassis; then, lower the internal drive
cage down.
Note: Make sure the cables of PCIe riser 2 and front drive backplane are not covered by the
internal drive cage.
b. Fasten the four captive screws to secure the internal drive cage.
and "Safety inspection checklist" on page 40
48.
.
Chapter 5 Hardware replacement procedures
to ensure that you
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