Dell EMC PowerEdge R640 Installation And Service Manual page 6

Rear drive cage.................................................................................................................................................................. 145
Removing the rear drive cage.................................................................................................................................... 145
Installing the rear drive cage.......................................................................................................................................146
System battery................................................................................................................................................................... 147
Replacing the system battery..................................................................................................................................... 147
USB module........................................................................................................................................................................ 148
Removing the USB module.........................................................................................................................................148
Installing the USB module........................................................................................................................................... 148
VGA module........................................................................................................................................................................ 149
Removing the VGA module.........................................................................................................................................149
Installing the VGA module...........................................................................................................................................150
Optional internal USB memory key...................................................................................................................................151
Replacing the optional internal USB memory key.....................................................................................................151
Optical drive (optional)......................................................................................................................................................152
Removing the optical drive......................................................................................................................................... 152
Installing the optical drive............................................................................................................................................152
Power supply units.............................................................................................................................................................153
Hot spare feature......................................................................................................................................................... 153
Removing a power supply unit blank......................................................................................................................... 154
Installing a power supply unit blank............................................................................................................................154
Removing a power supply unit................................................................................................................................... 155
Installing a power supply unit......................................................................................................................................156
Removing a DC power supply unit.............................................................................................................................156
Installing DC power supply unit.................................................................................................................................. 157
Wiring instructions for a DC power supply unit........................................................................................................157
System board..................................................................................................................................................................... 158
Removing the system board.......................................................................................................................................158
Installing the system board......................................................................................................................................... 159
Trusted Platform Module...................................................................................................................................................161
Upgrading the Trusted Platform Module...................................................................................................................161
Initializing TPM for BitLocker users........................................................................................................................... 162
Initializing the TPM 1.2 for TXT users........................................................................................................................163
Control panel...................................................................................................................................................................... 163
Removing the left control panel................................................................................................................................. 163
Installing the left control panel................................................................................................................................... 164
Removing the right control panel...............................................................................................................................165
Installing the right control panel................................................................................................................................. 166
7 System diagnostics................................................................................................................... 168
Dell Embedded System Diagnostics................................................................................................................................ 168
Running the Embedded System Diagnostics from Boot Manager........................................................................ 168
Running the Embedded System Diagnostics from the Dell Lifecycle Controller................................................. 168
System diagnostic controls.........................................................................................................................................169
8 Jumpers and connectors ........................................................................................................... 170
System board jumpers and connectors...........................................................................................................................170
System board jumper settings..........................................................................................................................................172
Disabling forgotten password........................................................................................................................................... 172
6 Contents