Dell EMC Integrated Data Protection Appliance DP4400 Service Manual page 48

Remove and replace assemblies
Install M.2 module on the BOSS Card
Install BOSS card onto expansion card riser 1
Dell EMC Integrated Data Protection Appliance DP4400 2.4 Service Procedures Guide
48
Figure 36 Removing the M.2 module
Procedure
1. Align the M.2 module connectors with the connectors on the BOSS card.
2. Tilt the M.2 module downwards until the module is seated firmly on the card.
3. Tighten the screw that secures the M.2 module on the BOSS card.
Figure 37 Installing the M.2 module
Procedure
1. Pull the expansion card latch out of the slot.
2. Hold the BOSS card by its edges, and align the card edge connector with the
expansion card connector on the riser.