Power Distribution Board Replacement - Lenovo ThinkSystem SD550 V3 User Manual

Figure 100. Installation of the power bus bar outer screws
After this task is completed
1. If necessary, reinstall the PCIe riser assembly to the node and reconnect the required PCIe cables to the
system board (see "Install a PCIe riser assembly" on page 154
223).
2. Reinstall the fan cage to the node and reconnect all the fan cables to the system board (see
cage" on page 109).
3. If necessary, reinstall the GPU air duct (see
4. If necessary, reinstall the internal adapter bracket and reconnect all the required cables to the internal
adapter (see "Install an internal adapter bracket" on page 129
routing" on page 215
5. Make sure that all the required cables are routed and connected correctly; then, reinstall the top cover
(see "Install the top cover" on page
6. Reinstall the node into the chassis (see
7. Make sure that the required power supply units are installed and power cords are connected; then,
power on the node (see
53.)
8. Proceed to complete the parts replacement (see

Power distribution board replacement

Follow instructions in this section to remove or install the power distribution board.
Remove the power distribution board
Follow instructions in this section to remove the power distribution board.
About this task
"Install a GPU air duct" on page
).
205).
"Install a node to the chassis" on page
"Install a hot-swap power supply" on page 63
and "PCIe riser cable routing" on page
and "2.5-inch drive backplane cable
and
"Complete the parts replacement" on page
.
Chapter 5 Hardware replacement procedures
"Install a fan
121).
78).
"Power on the node" on page
208).
161