Installing an expansion card......................................................................................................................................117
Optional IDSDM or vFlash card..................................................................................................................................... 119
Removing the MicroSD card....................................................................................................................................119
Installing the MicroSD card...................................................................................................................................... 119
Processors and heat sinks..............................................................................................................................................121
Power supply units......................................................................................................................................................... 129
Removing a power supply unit.................................................................................................................................131
Installing a power supply unit.................................................................................................................................. 132
Power interposer board................................................................................................................................................. 134
System battery............................................................................................................................................................... 136
Replacing the system battery................................................................................................................................. 136
Control panel assembly.................................................................................................................................................. 137
System board.................................................................................................................................................................. 140
Removing the system board................................................................................................................................... 140
Installing the system board......................................................................................................................................142
Trusted Platform Module...............................................................................................................................................144
Converting the system from tower mode to rack mode .................................................................................... 146
Updating BIOS................................................................................................................................................................ 147
Manually update the Service Tag........................................................................................................................... 148
8 Using system diagnostics........................................................................................................................... 149
Dell Embedded System Diagnostics.............................................................................................................................149
System diagnostic controls..................................................................................................................................... 150
6
Dell EMC PowerEdge T440 Installation and Service Manual
Contents