Dell EMC PowerEdge T640 Installation And Service Manual page 5

Power supply units...........................................................................................................................................................82
Hot spare feature....................................................................................................................................................... 83
Removing a power supply unit blank....................................................................................................................... 83
Installing a power supply unit blank......................................................................................................................... 84
Removing a power supply unit................................................................................................................................. 84
Installing a power supply unit....................................................................................................................................85
Removing a DC power supply unit...........................................................................................................................86
Installing DC power supply unit................................................................................................................................ 87
Wiring instructions for a DC power supply unit......................................................................................................87
System cover....................................................................................................................................................................89
Removing the system cover.....................................................................................................................................89
Installing the system cover....................................................................................................................................... 90
Air shroud..........................................................................................................................................................................90
Removing the optional GPU air shrouds................................................................................................................. 90
Installing the optional GPU air shrouds.................................................................................................................... 91
Removing the air shroud........................................................................................................................................... 92
Installing the air shroud............................................................................................................................................. 93
Cooling fans...................................................................................................................................................................... 94
Removing a cooling fan.............................................................................................................................................95
Installing a cooling fan............................................................................................................................................... 96
Removing the right external fan.............................................................................................................................. 96
Installing the right external fan................................................................................................................................. 97
Cooling fan assembly.......................................................................................................................................................98
Removing the cooling fan assembly........................................................................................................................ 98
Installing the cooling fan assembly.......................................................................................................................... 99
Flex bays..........................................................................................................................................................................100
Removing a NVMe drive bay or flex bay............................................................................................................... 100
Installing a NVMe drive bay or flex bay.................................................................................................................. 101
Optical drives and tape drives.......................................................................................................................................102
Removing the optical or tape drive blank.............................................................................................................. 102
Installing the optical or tape drive blank................................................................................................................ 103
Removing the optical drive cage or tape drive..................................................................................................... 104
Installing the optical drive cage or tape drive....................................................................................................... 105
Removing the slim optical drive..............................................................................................................................106
Installing the slim optical drive.................................................................................................................................107
System memory..............................................................................................................................................................108
General memory module installation guidelines..................................................................................................... 110
Mode-specific guidelines..........................................................................................................................................110
Removing a memory module................................................................................................................................... 112
Installing a memory module......................................................................................................................................113
Processors and heat sinks..............................................................................................................................................115
Removing a processor and heat sink module........................................................................................................ 115
Removing the processor from the processor and heat sink module.................................................................. 117
Installing the processor into a processor and heat sink module.......................................................................... 118
Installing a processor and heat sink module...........................................................................................................121
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