Dell PowerEdge R760 Installation and Service Manual

Removing a DPU card from a full length riser

Follow the safety guidelines listed in the Safety instructions.
Follow the procedure listed in the Before working inside your system.
If applicable, disconnect the cables from the expansion card.
Remove the GPU air shroud top cover.
Remove the full length expansion card riser.
NOTE:If the BOSS-N1 module is installed, be sure to disconnect the BOSS-N1 power cable and signal cable before removing the Riser 1 cage.
Disconnect the cables from the DPU card and the system board. See Cable routing topic, configuration 56.

NOTE: Dell DPUs only support vSphere 8.0+ operating system and Partner or Channel DPU only supports Linux-based operating system.

To remove the DPU card from Riser 1:
1. Tilt the expansion card holder latch on the riser.
2. Press the tab, and pull the card holder from the riser.
3. Hold the DPU card by the edges and pull the card from the riser.
NOTE:The numbers on the image do not depict the exact steps. The numbers are for representation of sequence.
Figure 1. Removing DPU card from Riser 1
Using a Phillips #2 screwdriver loosen the two screws and remove the DPU bracket from the DPU card.
Figure 2. Removing DPU bracket
If removing the DPU permanently, install a filler bracket.
NOTE:You must install a filler bracket over an empty expansion card slot to maintain Federal Communications Commission (FCC) certification of the system. The brackets also keep dust and dirt out of the system and aid in proper cooling and airflow inside the system. The filler bracket is necessary to maintain proper thermal conditions.
Install a metal filler bracket over the empty expansion slot opening and close the expansion card latch.
Figure 3. Installing the metal filler bracket