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Removal and Replacement Procedures
Maintenance and Service Guide 5–43
5.19 System Board
✎
When replacing the system board, ensure that the following
components are removed from the defective system board and
installed on the replacement system board:
■ Memory expansion boards (Section 5.5)
■ Mini PCI communications board (Section 5.6)
■ Processor (Section 5.11)
■ Modem and modem cable (Section 5.18)
1. Prepare the notebook for disassembly (Section 5.3) and
remove the following components:
❏ LED switch cover (Section 5.7)
❏ Keyboard (Section 5.8)
❏ Heat sink and fan (Section 5.10)
❏ Display assembly (Section 5.12)
❏ Top cover (Section 5.13)
❏ Switch board (Section 5.16)
2. Position the base enclosure so the rear panel is facing
forward.
System Board
Spare Part Number Information
System board 325514-001
- Maintenance and Service 1
- Maintenance and Service Guide 2
- First Edition May 2003 2
- Contents 3
- 3 Illustrated Parts Catalog 4
- 6 Specifications 5
- A Connector Pin Assignments 5
- B Power Cord Set Requirements 5
- C Screw Listing 5
- 1.1 Models 7
- Table 1-2 8
- (Continued) 10
- 1.2 Features 11
- Product Description 12
- 1.3 Clearing a Password 13
- 1.4 Power Management 14
- 1.5 External Components 15
- Table 1-4 17
- Table 1-5 19
- Keyboard Components 19
- Table 1-6 20
- Top Components 20
- Table 1-7 22
- Bottom Components 22
- 1.6 Design Overview 24
- Troubleshooting 25
- Using Computer Setup 26
- Selecting from the File Menu 27
- Table 2-2 28
- Security Menu 28
- Table 2-3 29
- Advanced Menu 29
- Configuration Information 31
- Test Information 32
- Table 2-4 34
- Flowchart Description 34
- (if applicable) 42
- DVD-ROM Drive 48
- Illustrated Parts Catalog 55
- 3.2 Notebook Major Components 56
- Major Components 56
- Table 3-1 57
- Components 62
- Table 3-2 63
- Spare Part Number 325528-001 63
- 3.4 Port Replicators and 64
- Mass Storage Devices 64
- 3.5 Miscellaneous 65
- Removal and Replacement 67
- Preliminaries 67
- 4.2 Service Considerations 68
- 4.3 Preventing Damage to 69
- Removable Drives 69
- Precautions 70
- 4.6 Workstation Precautions 71
- 4.7 Grounding Equipment and 72
- ■ Metal tote boxes 73
- Event 10% 40% 55% 73
- Procedures 74
- 5.1 Serial Number 75
- Disassembly 77
- Removing the Hard Drive 78
- 5.4 Notebook Feet 81
- 5.5 Memory Expansion Board 82
- 5.7 LED Switch Cover 86
- Removing the LED Switch Cover 87
- 5.8 Keyboard 88
- Removing the Keyboard Screw 89
- Releasing the Keyboard 90
- Removing the Keyboard 91
- Fan 291266-001 93
- 6. Remove the fan 94
- 5.10 Heat Sink 95
- Removing the Heat Sink Screws 96
- Removing the Heat Sink 98
- 5.11 Processor 99
- Removing the Processor 100
- 5.12 Display Assembly 101
- Removing the Hinge Covers 102
- Removing the Antenna Cables 103
- Assembly Screws 104
- 5.13 Top Cover 105
- Eight T8M2.0×8.0 screws 3 106
- Removing the Top Cover 108
- ❏ Keyboard (Section 5.8) 109
- ❏ Top cover (Section 5.13) 109
- 5.15 TouchPad 110
- Removing the TouchPad Screws 111
- Removing the TouchPad Bracket 111
- Removing the TouchPad 112
- 5.16 RTC Battery 113
- 5.17 Speaker/Microphone 114
- 5.18 Switch Board 115
- 5.19 System Board 116
- Removing the System Board 118
- 5.20 Modem Board 119
- Removing the Modem Board 120
- Specifications 121
- Table 6-2 123
- 12.1.0-inch XGA, TFT Display 123
- Table 6-3 124
- Hard Drives 124
- Table 6-4 125
- External AC Adapter 125
- Table 6-5 125
- Table 6-6 126
- Table 6-7 127
- System DMA 127
- Table 6-8 128
- System Interrupts 128
- Table 6-9 129
- System I/O Addresses 129
- Table 6-10 132
- System Memory Map 132
- Connector Pin Assignments 133
- Table A-5 135
- External Monitor 135
- Table A-6 136
- Stereo Speaker/Headphone 136
- Table A-7 136
- Microphone 136
- Power Cord Set Requirements 137
- Country-Specific Requirements 138
- Country Accredited Agency 139
- Applicable Note 139
- Screw Listing 140
- Table C-1 141
- Phillips PM2.5×3.0 Screw 141
- Table C-4 143
- Table C-5 144
- Table C-6 145
- Phillips PM2.0×4.0 Screw 145
- (Continued) 146
- Table C-7 148
- M2.0×4.0 Security Screw 148
- Table C-8 149
- Table C-9 152
- Torx T8 M2.0×8.0 Screw 152
- Table C-10 156
- Table C-11 157
- Torx T8 M2.0×4.0 Screw 157
- Table C-12 160
- Torx T8 M2.0×6.0 Screw 160
- Table C-13 161
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