Dell EMC PowerEdge MX840c, Installation And Service Manual, Page: 81 / 111

Figure 73. Installing a MicroSD card
Next steps
1. Install the IDSDM module .
2. Install the PEM .
3. Follow the procedure listed in the After working inside your sled section.
M.2 BOSS module
The M.2 BOSS module is a simple RAID solution designed specifically for booting a server's operating system. The module
supports up to two 6 Gbps M.2 SATA cards. The M.2 BOSS module has a x8 connector using PCIe gen 3.0 x2 lanes.
Removing the M.2 BOSS module
Prerequisites
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your sled .
3. Remove the PEM .
4. Remove the air shroud from the system board .
Steps
Hold the blue pull tag, and lift the M.2 BOSS module away from the sled.
Installing and removing sled components 81