Lenovo ThinkSystem SD550 V3 User Manual page 82

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.
Attention:
• Read "Installation Guidelines" on page 43
you work safely.
• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-
sensitive components in their static-protective packages until installation, and handling these devices with
an electrostatic-discharge wrist strap or other grounding system.
Notes:
• The firmware of the chassis midplane can be updated via Lenovo XClarity Controller (XCC) and Lenovo
XClarity Essentials OneCLI (LXCE OneCLI). Only the caretaker node can perform this update.
• By default, the caretaker node is automatically selected by the PSoC firmware on the chassis midplane,
unless otherwise designated.
• Go to "Update the firmware" on page 231
Procedure
Step 1. Align the chassis midplane with the screw holes and edges of the PSU cage; then, place the
midplane onto the PSU cage.
Step 2. Tighten the six screws to secure the chassis midplane to the PSU cage.
ThinkSystem SD550 V3 User Guide
72
and "Safety inspection checklist" on page 44
for more information on firmware updating tools.
to make sure that