Dell EMC PowerEdge R940xa, Инструкция по установке и обслуживанию, Страница: 144 / 177

2. Remove the support bar .
3. Remove the air shrouds .
4. Remove the power supply units .
5. Remove the expansion card risers 2 .
NOTE: Observe the routing of the cable as you remove it from the system. Route the cable properly when you
replace it to prevent the cable from being pinched or crimped.
Steps
1. Align and slide the power interposer board into the PSU slot until it is firmly seated.
2. Use Phillips #2 screwdriver to tighten the captive screw that secures the power interposer board (PIB).
Figure 112. Installing the power interposer board
3. Route the cables in the retention tabs.
4. Connect the Power Interposer Board cables.
5. Connect the power cables to the system board and the hard drive backplane.
Next steps
1. Replace the expansion card riser 2 .
2. Replace the power supply units
3. Replace the air shrouds
4. Replace the support bar .
5. Follow the procedure listed in After working inside your system .
Trusted Platform Module
Trusted Platform Module (TPM) is a dedicated microprocessor designed to secure hardware by integrating cryptographic keys into
devices. Software can use a TPM to authenticate hardware devices. Because each TPM chip has a unique and secret RSA key which is
embedded during the manufacture of the TPM, it is capable of performing platform authentication operation.
144 Installing and removing system components