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Troubleshooting Your Workstation
System Board Switches
Chapter 7
178
System Board Switches
There are ten system board switches used for configuration, numbered from 1 to 10. A
certain number of these are reserved (switches 1, 2, 3, 4, 5) and should not be modified,
otherwise it could lead to a system failure.
Figure 7-1 System Board Switches
Switch
Default
Position
Function:
1-4 OFF Reserved.
Do not change default settings.
5 ON Reserved.
Do not change default settings.
6 ON Enables keyboard power-on using the space bar. OFF disables
this option.
7 OFF Enables normal modes.
ON enables the BIOS recovery mode at next boot.
8 OFF Retains CMOS memory.
ON clears CMOS memory at next boot.
9 OFF Enables User and System Administrator passwords.
ON clears the passwords at next boot.
10 ON Selects the chassis type.
ON = minitower
Location of
systemboard
switches
- Technical Reference And 1
- Troubleshooting Guide 1
- Legal Notices 2
- Contents 10
- 1 System Overview 13
- Workstation Description 14
- Figure 1-2 Rear View 17
- Internal Features 18
- Front Panel 19
- Physical Characteristics 20
- Electrical Specifications 20
- Power Consumption And Cooling 21
- Environmental Specifications 22
- Power Saving And Ergonometry 23
- Soft Power Down 24
- Documentation 25
- Where To Find The Information 26
- System Overview 27
- Chapter 1 27
- 2 System Board 29
- System Board Description 30
- Architectural View 32
- Accessory Board Slots 33
- Figure 2-5 PCI Slots 34
- System Chipset 37
- Memory Controller Hub (82850) 38
- MCH Overview 40
- Hub Interface 41
- RDRAM Interface 41
- RDRAM Thermal Management 41
- Dual Rambus Bus 42
- RIMM Memory Slots 42
- ICH2 Features 46
- Devices On The SMBus 49
- Devices On The LPC Bus 54
- The Super I/O Controller 54
- FirmWare Hub (82802AB) 56
- Industry standard packages: 57
- 40L TSOP or 32L PLCC 57
- Feature Feature 57
- System Bus 58
- Cache Memory 59
- Assigned Device Interrupts 60
- PCI IRQ Lines 62
- 3 System BIOS 63
- Using The HP Setup program 65
- Main Screen 65
- Advanced Screen 65
- Processors, Memory And Cache 66
- Floppy Disk Drives 66
- IDE Devices 66
- IDE Primary Master Device 66
- Integrated USB Interface 67
- Integrated I/O Ports 67
- Integrated Audio Device 67
- AGP Configuration (Video) 67
- PCI Device, Slot #1 67
- Integrated LAN 68
- Security Screen 68
- Hardware Protection 68
- Boot Screen 69
- Power Screen 69
- Updating The System BIOS 70
- Clearing The CMOS 71
- 7 back to OFF 72
- BIOS Addresses 73
- DMA Channel Controllers 74
- 4 Tests And Error Messages 77
- Basic Pre-boot Diagnostics 78
- Table 4-1 79
- POST Sequence And POST Error 81
- Operating System Boot Phase 82
- Run-time Errors 82
- Table 4-3 83
- Main Menu 84
- Boot Steps 85
- Boot Report 85
- Order In Which POSTs Occur 86
- Tests And Error Messages 87
- Chapter 4 87
- Error Message Summary 93
- 5 Hardware Components 97
- Graphics Cards 98
- PCI Cards 100
- Table 5-2 101
- SCSI Adapter Cards 102
- Table 5-3 103
- Table 5-4 104
- Mass Storage Devices 105
- Optical Drives 106
- Hardware Components 108
- Chapter 5 108
- Connectors And Sockets 109
- Wake On LAN Connector 110
- Rear Fan Connector 110
- PCI Fan Connector (MT only) 110
- Status Panel And Intrusion 111
- Hard Disk Drive Temperature 111
- VGA DB15 Connector 111
- LCD Panel 112
- Rear Panel Connectors 113
- USB Stacked Connector 114
- Serial Port Connectors 114
- Serial Port B connectors 114
- 25-pin Parallel Connector 115
- MIDI/Joystick Connector 116
- External Audio Jacks 116
- Accessories 117
- Overview 118
- Removing The Cover 119
- Removing The Front Bezel 120
- Figure 6-5 Memory Sockets 121
- Installing IDE Drives 125
- Installing SCSI Drives 127
- Setting SCSI IDs 128
- Quantum/Maxtor Drive 129
- Seagate Drives 129
- IBM drives 130
- Fujitsu drives 130
- Verifying Your SCSI Drive 131
- Chapter 6 132
- Removing The Old Drive 133
- Installing The New Drive 133
- IDE Drive 138
- SCSI Drive On SCSI Models 138
- F2 when the HP logo appears 141
- Replacing The Processor 143
- Installing The New Processor 144
- Replacing The System Board 145
- Setting System Board Switches 147
- Replacing The System Fan 148
- Replacing The Rear Fan 149
- Replacing The Battery 151
- System Board Connectors 152
- Chapter 7 153
- Case 1: No Activity At All 156
- HP x2100 158
- Pre-boot Diagnostics 160
- Pre-boot Test Errors 161
- Post Test Errors 162
- Error Message Utility (EMU) 164
- Display Properties 166
- Use Or Configuration Problems 167
- CMOS Test Error 168
- Keyboard Test Error 168
- Floppy Disk Drive Test Error 169
- Troubleshooting BIOS Problems 176
- System Board Switches 178
- Using The HP Setup Program 179
- Secondary Slave 181
- Overview Of e-DiagTools 182
- F10. A menu appears 183
- F8 when the logo 183
- HP e-DiagTools Hardware Tests 184
- General Instructions 186
- Recovery Process 186
- Recovering Preloaded Drivers 187
- Changing The Hard Disk 187
- Other Sources Of Information 188
- A x2100 Service Information 191
- Parts and Part Numbers 192
- Table A-1Parts List 193
- Appendix A 194
- Table A-2System Board 195
- Table A-4Recovery CDs 195
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