x2.4 Installing a Hot-swappable SCSI Drive .............................. 2-232.5 Installing and Removing a Hot-swappable RedundantPower Supply Module ....................................................... 2-252.6 Installing and Removing a Hot-swappable RedundantHousing Fan ..................................................................... 2-292.7 Installing an Expansion Board ........................................... 2-322.8 Removing and Installing the Thermal Air Guide ................ 2-342.8.1 Removing the Thermal Air Guide....................... 2-342.8.2 Reinstalling the Thermal Air Guide .................... 2-352.9 Cable Connections............................................................ 2-37Chapter 3 System Boards3.1 Main Board ......................................................................... 3-13.1.1 Layout ................................................................. 3-33.1.2 Jumpers and Connectors ..................................... 3-43.1.3 Installing and Removing an Intel Pentium IIXeon CPU............................................................ 3-73.1.4 Installing and Removing the TerminationBoard................................................................. 3-103.1.5 Installing and Removing a VRM (VoltageRegulator Module) ............................................. 3-123.2 Memory Board .................................................................. 3-143.2.1 Layout ............................................................... 3-143.2.2 Memory Configurations...................................... 3-143.2.3 Removing and Installing the Memory Board....... 3-153.2.4 Installing and Removing a DIMM ....................... 3-173.3 SCSI Backplane Board...................................................... 3-183.3.1 Features ............................................................ 3-183.3.2 Layout ............................................................... 3-19