
DR4300 Owners Manual 4
Safety instructions..........................................................................................................................67
Before working inside your system............................................................................................... 67
After working inside your system.................................................................................................. 68
Recommended tools......................................................................................................................68
Front bezel (optional).....................................................................................................................68
Removing the optional front bezel.........................................................................................68
Installing the optional front bezel...........................................................................................70
System cover................................................................................................................................. 70
Removing the system cover.................................................................................................. 70
Installing the system cover.................................................................................................... 71
Cooling shroud...............................................................................................................................72
Removing the cooling shroud................................................................................................72
Installing the cooling shroud..................................................................................................73
Cooling fans................................................................................................................................... 74
Removing a cooling fan.........................................................................................................74
Installing a cooling fan...........................................................................................................75
Cooling-fan assembly.................................................................................................................... 75
Removing the cooling fan assembly......................................................................................75
Installing the cooling fan assembly........................................................................................76
System memory............................................................................................................................. 77
General memory module installation guidelines....................................................................79
Mode-specific guidelines........................................................................................................80
Advanced Error Correction Code (lockstep)..................................................................80
Memory optimized (independent channel) mode...........................................................80
Memory sparing..............................................................................................................80
Memory mirroring........................................................................................................... 81
Sample memory configurations............................................................................................. 81
Removing memory modules.................................................................................................. 81
Installing memory modules.................................................................................................... 83
Processors and heat sinks............................................................................................................ 84
Removing a heat sink............................................................................................................84
Removing a processor...........................................................................................................85
Installing a processor.............................................................................................................89
Installing a heat sink..............................................................................................................91
PCIe card holder............................................................................................................................92
Removing the PCIe card holder............................................................................................ 92
Installing the PCIe card holder.............................................................................................. 93
Opening and closing the PCIe card holder latch...................................................................94