Dell EMC PowerEdge R940 Installation And Service Manual page 5

Removing the M.2 SSD module............................................................................................................................... 96
Installing the M.2 SSD module................................................................................................................................. 97
Network daughter card riser.......................................................................................................................................... 98
Removing the NDC riser............................................................................................................................................ 98
Installing the NDC riser.............................................................................................................................................. 99
Network daughter card..................................................................................................................................................100
Removing the NDC....................................................................................................................................................100
Installing the NDC.......................................................................................................................................................101
Storage controller card.................................................................................................................................................. 102
Removing the storage controller card.................................................................................................................. 102
Installing the storage controller card.................................................................................................................... 103
Optional IDSDM or vFlash module...............................................................................................................................104
Removing the MicroSD card................................................................................................................................... 104
Installing the MicroSD card..................................................................................................................................... 105
Optional IDSDM or vFlash module...............................................................................................................................106
Removing the optional IDSDM module................................................................................................................. 106
Installing optional IDSDM module...........................................................................................................................107
Power supply unit............................................................................................................................................................ 108
Hot spare feature...................................................................................................................................................... 108
Removing a power supply unit blank.....................................................................................................................108
Installing a power supply unit blank.......................................................................................................................109
Removing a power supply unit................................................................................................................................109
Installing a power supply unit...................................................................................................................................110
Wiring instructions for a DC power supply unit................................................................................................... 111
NVDIMM-N battery......................................................................................................................................................... 112
Removing the NVDIMM-N battery.........................................................................................................................112
Installing NVDIMM-N battery.................................................................................................................................. 113
NVDIMM battery cable routing............................................................................................................................... 115
System battery..................................................................................................................................................................115
Replacing system battery......................................................................................................................................... 115
Optional internal USB memory key.............................................................................................................................. 116
Replacing the optional internal USB memory key...............................................................................................116
System board.....................................................................................................................................................................117
Removing the system board.................................................................................................................................... 117
Installing the system board...................................................................................................................................... 118
Trusted Platform Module...............................................................................................................................................120
Upgrading the Trusted Platform Module............................................................................................................. 120
Initializing TPM for BitLocker users...................................................................................................................... 122
Initializing the TPM 1.2 for TXT users...................................................................................................................122
Initializing the TPM 2.0 for TXT users.................................................................................................................. 122
Control panel.....................................................................................................................................................................122
Removing the right control panel...........................................................................................................................122
Installing the right control panel.............................................................................................................................123
Removing the left control panel............................................................................................................................. 124
Installing the left control panel............................................................................................................................... 125
Chapter 5: System diagnostics...................................................................................................127
Dell Embedded System Diagnostics............................................................................................................................ 127
Running the Embedded System Diagnostics from Boot Manager................................................................. 127
Running the Embedded System Diagnostics from the Dell Lifecycle Controller........................................ 127
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