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Remove the front PCIe switch cable harness

Follow instructions in this section to remove the front PCIe switch cable harness. 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.
  • Power off the server and peripheral devices and disconnect the power cords and all external cables. See Power off the server.
  • Two people and one lifting device on site that can support up to 400 lb (181 kg) are required to perform this procedure. If you do not already have a lifting device available, Lenovo offers the Genie Lift GL-8 material lift that can be purchased at Data Center Solution Configurator. Make sure to include the Foot-release brake and the Load Platform when ordering the Genie Lift GL-8 material lift.
Note
Make sure you have a 5 mm hex socket screwdriver available to properly replace the component:

Procedure

  1. Make preparation for this task.
    1. Remove all the power supply units. See Remove a hot-swap power supply unit.
    2. Remove all the front fans. See Remove a hot-swap fan (front and rear).
    3. Remove all the 2.5-inch hot-swap drives and the drive bay fillers (if any) from the drive bays. See Remove a 2.5-inch hot-swap drive.
    4. Pull the 8U GPU shuttle out of the chassis, and place it onto the lift platform. See Remove the 8U GPU shuttle.
    5. Remove the cable cover. See Remove the cable cover.
    6. Remove the I/O cover. See Remove the I/O cover.
    7. Remove the integrated diagnostics panel. See Remove the integrated diagnostics panel.
  2. Disconnect the cables that connected from the front PCIe switch cable harness to the PCIe switch board and the PSU interposer.
  3. Remove the front I/O module.
    1. Unfasten the two outer screws on the front I/O module.
    2. Unfasten the inner screw on the front I/O module.
    3. Slide the front I/O module rearward.
    Figure 1. Front I/O module removal
    Front I/O module removal
  4. Remove the following front I/O module cables.
    • Unfasten the two hex nuts (1) to remove the VGA cable from the front I/O bracket.
    • Unfasten the two screws (2) to remove the USB cable from the front I/O bracket.
    Figure 2. Front I/O module cables removal
    Front I/O module cables removal
  5. Remove the front PCIe switch cable harness.
    1. Unfasten the ten screws marked with C on both sides of the 8U GPU shuttle.
    2. Lift the front PCIe switch cable harness out of the 8U GPU shuttle.
    Figure 3. Front PCIe switch cable harness removal
    Front PCIe switch cable harness removal
  6. If needed, remove the cables from the front PCIe switch cable harness.

    • Front I/O module, integrated diagnostics panel, GPU management, or signal cable

      Unfasten the four screws to remove the cable from the front PCIe switch cable harness.

      Figure 4. Front I/O module, integrated diagnostics panel, GPU management, or signal cable removal
      Front I/O module, integrated diagnostics panel, GPU management, or signal cable removal

    • Power cable

      1. Remove the two screws and the two washers on the front PCIe switch cable harness.
      2. Remove the cable from the front PCIe switch cable harness.
      Figure 5. Power cable removal
      Power cable removal

After you finish

If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.