Hp A7818-IE002 Manual do Utilizador Página 53
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System Board
Input/output Controller Hub 2 (82801BA)
Chapter 2
53
MaxiLife Architecture
The MaxiLife chip continuously monitors temperature and voltage sensors located in
critical regions on the system board. This chip receives data about the various system
components via a dedicated I2C bus, which is a reliable communications bus to control
the integrated circuit boards.
Figure 2-12 MaxiLife Architecture
NOTE MaxiLife is powered by VSTBY. Therefore, MaxiLife is functional as soon as the power
cord is plugged in.
LCD Status Panel
Serial
EEPROM
I2C Bus
HP MaxiLife
Hardware-
monitoring
ASIC
AGPset
Memory
Memory
Speed up/slow
down
System Fans
Voltage Sensor
Temperature
Sensor
- 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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