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Install the power distribution board

Follow instructions in this section to install the power distribution board. The procedure must be executed by a trained technician.

About this task

Attention
  • Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.
  • Touch the static-protective package that contains the component to any unpainted metal surface on the server; then, remove it from the package and place it on a static-protective surface.
Firmware and driver download: You might need to update the firmware or driver after replacing a component.

Procedure

  1. Align the power distribution board with the ten standoffs on the PSU cage; then, lower the power distribution board into the PSU cage.
  2. Fasten the ten screws (PH1, 10 x M3, 0.9 newton-meters, 8 inch-pounds) to secure the power distribution board.
    Figure 1. Power distribution board installation
    Power distribution board installation
  3. Install the two cable retainers to the power distribution board.
    1. Align the cable retainer with the screw holes on the power distribution board; then, place the cable retainer onto the power distribution board.
    2. Fasten the two screws (PH1, 2 x M3, 0.5 newton-meters, 4.3 inch-pounds) to secure the cable retainer.
    3. Repeat to install the other cable retainer.
      Figure 2. Cable retainer installation
      Cable retainer installation
  4. Install the PSU interposer.
    1. Align the PSU interposer with its connectors on the power distribution board; then, press the PSU interposer into the connectors until it is fully seated.
    2. Pull out the two plungers.
    3. Rotate the two release latches down until they stop.
      Figure 3. PSU interposer installation
      PSU interposer installation
  5. Connect the cables to the PSU interposer and power distribution board. See 2.5-inch drive backplane cable routing, Fan control board cable routing, GPU baseboard cable routing, PCIe switch board cable routing, Leakage sensor module cable routing and PSU interposer cable routing for more information.
  6. If necessary, attach the labels to both ends of the power cable.
    1. Attach the white space portion of the label to one end of the cable.
    2. Wrap the label around the cable and attach it to the white space portion.
    3. Repeat to attach the other label to the opposite end of the cable.
    Figure 4. Label application
    Label application
    Note
    See the cable routing to identify the corresponding labels for the cable.

After you finish

  1. Reinstall the CPU complex. See Install the CPU complex.
  2. Reinstall the rear top cover. See Install the rear top cover.
  3. Reinstall the front top cover. See Install the front top cover.
  4. Reinstall all the power supply units. See Install a hot-swap power supply unit.
  5. Complete the parts replacement. See Complete the parts replacement.