
System board .........................34
System board internal cable connectors...............34
System board external cable connectors ..............35
System-board error LEDs ....................36
Installation guidelines ......................37
System reliability considerations .................37
Server power features ......................38
Turning on the server .....................38
Turning off the server .....................39
Moving the stabilizing feet .....................40
Removing the side cover .....................41
Removing the front bezel .....................42
Removing the frame-support bracket .................43
Working with adapters ......................45
Adapter considerations .....................45
Installing an adapter ......................46
Cabling an optional SCSI adapter .................48
Installing internal drives......................49
Internal drive bays ......................50
Working with hot-swap drives ..................52
Installing a hot-swap hard disk drive ................53
Installing non-hot-swap hard disk drives...............54
Installing a 5.25-inch removable-media drive .............56
Power and signal cables for internal drives .............59
Installing memory modules ....................60
Installing a microprocessor ....................62
Configuring the operating system .................62
Installing the microprocessor ...................63
Installing a security rope clip ....................66
Replacing a hot-swap power supply .................67
Replacing the battery ......................69
Completing the installation.....................71
Replacing the bezel ......................71
Installing the side cover.....................71
Updating your server configuration.................72
Connecting external options ....................73
Installing the server in a rack....................73
Input/output ports ........................74
Audio connectors .......................75
Auxiliary-device (pointing-device) connector .............75
Ethernet (RJ-45) connector ...................75
Keyboard connector ......................75
Parallel connector .......................76
Serial connectors .......................76
Ultra320 SCSI connector ....................76
Universal Serial Bus connectors .................77
Video connector .......................78
Chapter 5. Field replaceable units .................79
Power button .........................79
Microprocessor and heat sink ...................81
Thermal grease.........................82
Hot-swap hard disk drive cage ...................83
Hot-swap backplane .......................84
Non-hot swap power supply ....................85
Front fan ...........................87
vi IBM xSeries 225 Type 8647: Hardware Maintenance Manual and Troubleshooting Guide