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Install an adapter into a 4U PCIe riser cage

Follow instructions in this section to install an adapter into a 4U PCIe riser cage.

About this task

  • Go over Installation Guidelines 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.

To prevent potential thermal issues, change the Misc setting in the BIOS from Option3 (default value) to Option1 if the following two conditions are met:
  • The server is equipped with a GPU adapter.

  • The UEFI firmware version is M5E128A or later.

For the method of changing the Misc setting, see


  1. See the following table to determine the proper slot and riser cage for the adapter to be installed.
    Table 1. Supported PCIe adapters and corresponding riser cage and slots
    x16/x16 riser cagex8/x8/x8/x8 riser cage
    PCIe Slot2410121/92/103/114/12
    Nvidia Tesla V100s    
    Nvidia Tesla T4
    1610-8p NVMe switch adapter      
    When one unit of Nvidia Tesla V100s is installed in a x16/x16 Riser cage, do no installed any adapter in the other slot.
  2. Install the adapter into the 4U PCIe riser cage.
    Figure 1. Installing the adapter into the 4U PCIe riser cage

    • Connect the power auxiliary cable.
    • Insert the adapter into the connector in the riser cage.
    • Close both the retaining latches to secure the adapter.
  3. (Optional) Secure the adapter with one of the four spare screws that come with the 4U PCIe riser cage.
    Figure 2. Securing the adapter to the 4U PCIe riser cage

After this task is completed

Proceed to complete the parts replacement (see Complete the parts replacement).