Remove an SXM5 GPU

Follow instructions in this section to remove an SXM5 GPU. 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.
• If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the top cover, or remove the server from the rack. See Remove the server from rack.
• A torque screwdriver is available for request if you do not have one at hand.

Note

Make sure you have the required tools listed below available to properly replace the component:

• Torx T15 head screwdriver
• Alcohol cleaning pad
• SXM5 PCM Kit
• SR675 V3 water loop service kit

The following illustration shows the SXM5 GPU numbering.

Figure 1. SXM5 GPU numbering

Procedure

1. Make preparation for this task.
   1. Remove the top cover. See Remove the top cover.
   2. Remove all of the fans. See Remove a fan.
   3. Remove the fan cage. See Remove the fan cage.
   4. Unfasten the two cable ties on the front drive tray to release the cables.
      Figure 2. Unfastening the cable ties
      
      
   5. Depending on the configuration, remove the front PCIe adapter(s) or the OSFP port card. See Remove a front PCIe adapter or Remove the OSFP port card.
   6. Disconnect the following cables from the system board assembly:
      • Front I/O module cables
      • Front operator panel cable
   7. Depending on the configuration, remove all of the 2.5-inch hot-swap drives and the drive bay fillers (if any) or all of the E3.S hot-swap drives and the drive bay fillers (if any). See Remove a 2.5-inch hot-swap drive or Remove an E3.S hot-swap drive. Place the drives on a static protective surface.
   8. Depending on the configuration, disconnect the power and signal cables from the 2.5-inch drive backplane or the E3.S dive backplane.
   9. Depending on the configuration, remove the 2.5-inch drive cage or the E3.S drive cage assembly. See Remove the 2.5-inch drive cage or Remove the E3.S drive cage assembly.
   10. Depending on the configuration, remove the CX-7 assembly or the SXM5 PCIe switch board. See Remove the CX-7 assembly or Remove the SXM5 PCIe switch board.
   11. Remove the front drive tray. See Remove the front drive tray.
   12. Depending on the configuration, remove the front I/O expansion board carrier or the front I/O expansion board module. See Remove the front I/O expansion board carrier or Remove the front I/O expansion board module.
   13. Remove the interposer card. See Remove the interposer card.
   14. Remove the Lenovo Neptune^TM liquid-to-air (L2A) hybrid cooling module. See Remove the Lenovo Neptune(TM) liquid-to-air (L2A) hybrid cooling module
   15. Remove the SXM5 GPU board assembly. See Remove the SXM5 GPU board assembly.
2. Locate the SXM5 GPU to be removed.
3. Remove the SXM5 GPU.
   1. Unfasten the four Torx T15 screws in the sequence shown in the illustration below.
      Note

      Loosen or tighten the screws with a torque screwdriver set to the proper torque. For reference, the torque required for the screws to be fully loosen or tighten is 0.45-0.56 newton-meters, 4.0-5.0 inch-pounds.
   2. Carefully remove the SXM5 GPU out of the SXM5 GPU board.
      Figure 3. SXM5 GPU removal