Table of Contents
Figure 8. Chassis midplane location and connectors
1
PSU cage
2
Chassis midplane
1
PSU cage: For the PSU slots, see
2
Chassis midplane: For the replacement of the PSU cage and Chassis midplane, see
chassis midplane replacement" on page
3
PDB connectors: When a node is installed in the chassis, the power distribution board (PDB) in the node is
connected to the corresponding connector on the chassis midplane.
4
PSU connectors: When a hot-swap power supply unit (PSU) is installed in the PSU cage, the PSU is
connected to the corresponding connector on the chassis midplane.
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
Chapter 5 "Update the firmware" on page 43
8
ThinkSystem D3 Chassis User Guide
3
PDB connectors
4
PSU connectors
"Chassis rear view" on page
32.
for more information on firmware updating tools.
6.
"PSU cage and
Table of Contents
