Compaq 470007-802 Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 9

3.3 Service Considerations...3-5 3.3.1 Power Supply Fan 3-5 3.3.2 Tools and Software Requirements 3-5 3.3.3 Screws...3-5 3.3.4 Cables and Connectors 3-6 3.3.5 Hard Drives ...3-6 3.3.6 Lithium Coin Cell Battery 3-6 chapter 4 Removal & Replacement Procedures 4.1 Disassembly Sequence Chart 4-2 4.2 Preparation for Disassembly 4-3 4.3 Unlocking the Smart Cover Lock 4-4 4.4 Computer Feet...4-6 4.5 Cable Lock Installation 4-7 4.6 Access Panel ...4-8 4.7 Front Bezel...4-9 4.8 Front Panel Trim ...4-10 4.9 Removing a Blank Drive Bezel 4-11 4.10 Installing Additional Memory 4-12 4.10.1 DIMMs ...4-12 4.10.2 Memory Module Installation 4-12 4.11 Expansion Cards ...4-14 4.11.1 Removing an Expansion Slot Cover 4-14 4.11.2 Removing or Installing a PCI Expansion Card 4-14 4.12 Graphics Cards...4-16 4.12.1 Graphics Performance Accelerator (GPA)/AGP Inline Memory Module (AIMM) Card with a Type I Retention Mechanism 4-16 4.12.2 AGP Card with a Type I Retention Mechanism 4-19 4.12.3 GPA/AIMM Card with a Type 2 Retention Mechanism 4-20 4.12.4 AGP Card with a Type 2 Retention Mechanism 4-21 4.12.5 Standard AGP Expansion Card 4-22 4.13 5.25-Inch Drives ...4-23 4.14 Rotating the Drive Cage 4-24 4.15 Drives...4-25 4.15.1 Installing Additional Drives 4-25 4.15.2 Diskette Drive 4-26 4.15.3 Hard Drive ...4-27 4.16 System Board ...4-28 4.17 Battery...4-29 4.18 Power Button/LED Board 4-30 4.19 Hood Sensor...4-31 4.20 Processor Assembly ...4-32 4.21 Speaker...4-33 4.22 Power Supply ...4-34 4.23 Chassis Fan Assembly 4-35 iv Contents