Removing the internal cooling fan
............................................................................................. 139
Installing the internal cooling fan
...............................................................................................140
Removing the external cooling fan
........................................................................................... 142
Installing the external cooling fan
.............................................................................................. 143
Internal USB memory key (optional)
................................................................................................ 145
Replacing the optional internal USB memory key
..................................................................... 145
Removing the expansion card holder
.........................................................................................147
Installing the expansion card holder
.......................................................................................... 148
Expansion card installation guidelines
....................................................................................... 149
GPU card installation guidelines
.................................................................................................150
Installing an optional GPU card
Installing the iDRAC port card
Internal dual SD module (optional)
Removing the internal dual SD module
.....................................................................................161
Installing the internal dual SD module
...................................................................................... 162
Removing an (optional) internal SD card
................................................................................... 164
Installing an (optional) internal SD card
......................................................................................165
Removing a redundant AC power supply unit
........................................................................... 175
Installing a redundant power supply unit
................................................................................... 176
Removing the power supply unit blank
...................................................................................... 177
Installing the power supply unit blank
........................................................................................178
Replacing the power supply unit divider
.................................................................................... 179
6