Dell PowerEdge R750xa EMC Installation and Service Manual - Page 117

Installing the NVLink bridges, Removing the NVLink bridges

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Figure 115. Removing the NVLink bridges 2. If you are not replacing the NVLink bridge, Install the NVLink cover into the GPU card. Figure 116. Installing the NVLink cover Next steps 1. Replace the NVLink bridges. Installing the NVLink bridges Prerequisites 1. Follow the safety guidelines listed in the Safety instructions. 2. Follow the procedure listed in the Before working inside your system. 3. Remove the rear mounting front PERC module. NOTE: Observe the cable routing before disconnecting the cables. 4. Remove the NVLink sponges. 5. Remove the GPU riser module. 6. If installed, take out the GPU card and remove the NVLink slot cover on the GPU card. NOTE: Store the NVLink slot cover for future use, install if not using NVLink bridges. 7. Number of NVLink bridges vary as per the GPU. 8. Slot priority for GPU card installation without NVLink bridges: slot 31, slot 33, slot 34, and slot 32. 9. Slot priority for GPU card installation with NVLink bridges: slot 33, slot 34, slot 31, and slot 32. Installing and removing system components 117

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Figure 115. Removing the NVLink bridges
2.
If you are not replacing the NVLink bridge, Install the NVLink cover into the GPU card.
Figure 116. Installing the NVLink cover
Next steps
1.
Replace the NVLink bridges
.
Installing the NVLink bridges
Prerequisites
1.
Follow the safety guidelines listed in the
Safety instructions
.
2.
Follow the procedure listed in the
Before working inside your system
.
3.
Remove the rear mounting front PERC module
.
NOTE:
Observe the cable routing before disconnecting the cables.
4.
Remove the NVLink sponges
.
5.
Remove the GPU riser module
.
6.
If installed, take out the GPU card and remove the NVLink slot cover on the GPU card.
NOTE:
Store the NVLink slot cover for future use, install if not using NVLink bridges.
7.
Number of NVLink bridges vary as per the GPU.
8.
Slot priority for GPU card installation without NVLink bridges: slot 31, slot 33, slot 34, and slot 32.
9.
Slot priority for GPU card installation with NVLink bridges: slot 33, slot 34, slot 31, and slot 32.
Installing and removing system components
117