Compaq AP550 Compaq Professional Workstation AP550 Maintenance & Service G - Page 12

iv Compaq Professional Workstation AP550 Maintenance and Service Guide Chapter 3 Removal and Replacement Procedures Introduction...3-1 Serial Number ...3-2 Service Preparations 3-3 Cable Lock ...3-3 Workstation Access Panel 3-4 Front Bezel...3-6 Subpanel and Bezel Blanks 3-7 Mass Storage Devices 3-9 Drive Positions 3-9 3.5-Inch Hard Drive 3-11 3.5-Inch Drive with 5.25-Inch Drive Adapter 3-13 5.25-Inch Drive 3-16 Installing Optional SCSI Devices 3-18 Important Guidelines for Installing Optional SCSI Devices 3-18 Using the Multi-Mode (SCSI) Cable 3-20 Drivelock...3-21 Expansion Boards 3-23 Removing an Expansion Board 3-24 Installing an Expansion Board 3-25 Serial Port Cover Connector 3-27 Card Guide ...3-28 Memory Modules 3-29 Overview...3-29 RIMM Slot Locations and Configurations 3-30 Removing and Installing RIMMs 3-31 DIMM Location and Configurations 3-34 Removing and Installing DIMMs 3-35 Processor ...3-40 Removing a Processor 3-40 Installing an Additional Pentium III Processor 3-41 Removing the Heatsink from the 733-MHz Processor 3-43 Processor Guide Rails (URM 3-45 Speaker...3-46 System Board Fan 3-47 Power Supply ...3-48 Power Switch ...3-50 System Board ...3-51 I/O Panel ...3-53 Lithium Battery ...3-54 Converting a Minitower to a Desktop Configuration 3-56 Converting a Desktop to a Minitower Configuration 3-59