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Install the host board

Use this information to install the host board.

Required tools

  • Screwdriver for PH 2, T10, and T15 screws

  • Water loop shipping bracket

  • GPU cold plate handle assembly

  • GB200 NVL4 TIM Jig

  • T15 screwdriver

  • T10 bit together with torque wrench

  • SC777 V4 GB200 Grease SE 7921

About this task

Attention
Firmware and driver download: You might need to update the firmware or driver after replacing a component.

Procedure

  1. Install the system I/O board to the host board. See Install the system I/O board (DCSCM).
  2. Align the host board to the guide flanges on the front of the tray; then, place the host board to the tray, and slide it forward to secure the front connectors in the corresponding openings on the front bezel.
    Figure 1. Installing the host board to the tray

  3. Align the host board with guidance marking on the tray. Then, push the host board until it fits into the front bezel.
    Figure 2. Installing the host board

  4. Fasten two PH2 thumbscrews to secure the host board to the tray.
    Figure 3. Fastening screws to secure the host board

After you finish

  1. Install the water loop. See Install the water loop.

  2. Install the E3.S drive cage. See Install an E3.S drive cage assembly.

  3. Install the PCIe adapter riser cage. See Install a ConnectX-7 NDR 200 adapter riser assembly, Install a ConnectX-7 NDR 400 adapter riser assembly, Install a ConnectX-8 XDR adapter riser assembly, or Install the OSFP module.

  4. Install the cross bar. See Install the cross bar.

  5. Install the tray cover. See Install the tray cover.

  6. Install the tray into the enclosure. See Install a tray in the enclosure.

  7. Connect all required external cables to the solution.
    Note
    Use extra force to connect QSFP cables to the solution.

  8. Check the power LED on each node to make sure it changes from fast blink to slow blink to indicate all nodes are ready to be powered on.