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Install the OCP interposer card

Follow instructions in this section to install the OCP interposer card. 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.
Note
Make sure you have a torque screwdriver available to properly replace the component.

Procedure

  1. Install the OCP interposer card.
    1. Align the card with the standoffs on the NVMe drive and PCIe switch board cage; then, place the card onto the cage.
    2. Tighten the four screws to secure the card.
    Note
    Tighten the screws with a torque screwdriver set to the proper torque. For reference, the torque required for the screws to be fully tighten is 1.25 ± 0.25 newton-meters.
    Figure 1. OCP interposer card installation
    OCP interposer card installation
  2. Connect the FPC cable to the OCP interposer card.
    1. Flip up the connector flap to the unlocked position, handling it gently to prevent damaging the latch.
      Figure 2. Flipping up the connector flap
      Flipping up the connector flap
    2. Match the silkscreen on the FPC cable and the OCP interposer card. Then, connect the cable to the card with the silkscreen facing up.
      Silkscreen on FPC cableSilkscreen on OCP interposer card
      NC-SI SIDENC-SI
      Figure 3. FPC cable connection
      FPC cable connection
    3. Fully insert the cable into the connector; then, flip down the connector flap to the locked position to secure the cable.
      Figure 4. Flipping down the connector flap
      Flipping down the connector flap
    4. Visually inspect the cable installation to confirm the white line on the cable is invisible. The cable is not installed correctly if the white line remains visible.
      Figure 5. FPC cable installation inspection
      FPC cable installation inspection
  3. If necessary, attach the labels to both ends of the power and signal cables.
    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 6. Label application
    Label application
    Note
    See the table below to identify the corresponding labels for the cables.
    FromLabelToLabel
    OCP interposer card: Power connector
    • OCP PWR
    • 6P+6S
    		System board: OCP interposer card power connector
    • PWR OCP
    • 12P+12S
    OCP interposer card: MCIO connector
    • MCIO I
    • OCP SIG
    		PCIe switch board: MCIO connector I
    • MCIO I
    • OCP SIG
  4. Connect the power and signal cables to the OCP interposer card. See OCP interposer card cable routing for more information.

After you finish

  1. Reinstall the OCP module. See Install the OCP module.
  2. Reinstall the front fan cage. See Install the front fan cage.
  3. Push the system shuttle fully into the chassis.
    1. Lift the two lock latches on both sides of the shuttle.
    2. Slide the shuttle into the chassis.
    3. Push the shuttle fully into the chassis.
    4. Rotate the two release levers until they lock into place.
    Figure 7. System shuttle installation
    System shuttle installation

    System shuttle installation
  4. Complete the parts replacement. See Complete the parts replacement.