Compaq Deskpro AP550 - 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