66 IBM® xSeries 220: Installation Guideconfiguration changes 16specifications 2memory moduleinstalling 16order of installation 16specifications 2supported 16microprocessorfan sink 29, 30heat sink 28, 30installing 26, 29removing 30specifications 2startup 26VRM 26, 29microswitches 6Nnon-hot-swap drivesinstalling 19NOS See operating system 39Ooperating system, installing 39operator information lights 37optional system-managementadapter 13PPCI adapters 12bus A 13bus B 13Ethernet adapter slot 13expansion slots 12system-management adapterslot 13population orderDIMMs 16hot-swap drives 24power cords 62power supplyspecifications 2power-control button 37power-control button shield 35power-on light 37problem solving 41PXE Boot Agent Utility 39RRAID See adapter 15, 22, 25reliability, system 9removable-media drivesinstalling 20removingair baffle 10fan sink 30heat sink 30microprocessor 30side cover 10support bracket 10VRM 11, 30retaineradapter 15retaining clipsDIMM 17Ssafety informationbook velectrical viilaser viiilifting ixSCSIactivity light 23, 37adapter boot option 13cable, rerouting for ServeRAIDadapter 15device 21SCSISelect Utility program 39ServeRAID adapter 15ServeRAID Configuration program39ServerGuide CDs 39shieldpower-control button 35shutting down the server 36side coverinstalling 31removing 10size, server 2slots See expansion slots 4, 12specifications 2starting the server 35static-sensitive devices, handling xistatus lights 37stopping the server 36support bracketremoving 10switch block 6switch functions 7switches and jumpers 6system boardconnectorsinternal cables 5options 4external port connectors 5jumper blocks 6switch block 6switches and jumpers 6system reliability 9system-management adapter 13Ttape driveinstalling 20temperatureair 2terminator cardmicroprocessor 26, 29thermal material 28, 29trademarks 60troubleshooting 41, 45turning off the server 36turning on the server 35UU11 connector 26U12connector 26United States electronic emissionClass A notice 60United States FCC Class A notice 60Vvideo controllerdisabling 12specifications 2voltage regulator moduleinstalling 26, 29removing 30VRM See voltage regulator module26, 29WWake on LAN adapter slot 13weight 2width 2