NPIO card........................................................................................................................................................................ 177
Removing NPIO card from the rear bay.................................................................................................................177
Installing NPIO card in the rear bay........................................................................................................................180
Node power distribution board(NPDB)....................................................................................................................... 184
Removing NPDB.......................................................................................................................................................184
Installing NPDB......................................................................................................................................................... 185
Hard drive backplane......................................................................................................................................................187
Removing HDD backplane....................................................................................................................................... 187
Installing HDD backplane......................................................................................................................................... 189
SAS expander board....................................................................................................................................................... 191
Removing SAS expander board...............................................................................................................................191
Installing SAS expander board................................................................................................................................ 192
Cable management arm.................................................................................................................................................193
Removing CMA in the hard drive tray....................................................................................................................193
Installing CMA in the hard drive tray......................................................................................................................195
7 Using system diagnostics........................................................................................................................... 198
Dell Embedded System Diagnostics.............................................................................................................................198
Running the Embedded System Diagnostics from Boot Manager.....................................................................198
Running Embedded System Diagnostics from Lifecycle Controller................................................................... 198
System diagnostic controls..................................................................................................................................... 199
8 Jumpers and connectors............................................................................................................................200
9 Troubleshooting your system..................................................................................................................... 202
Troubleshooting list........................................................................................................................................................202
10 Getting help............................................................................................................................................. 203
Contacting Dell...............................................................................................................................................................203
Documentation feedback..............................................................................................................................................203
6
Contents