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2.13 Reliability
The mean time between failures (MTBF) prediction is calculated using component and
subassembly random failure rates. The calculation is based on the Bellcore Reliability Prediction
Procedure, TR-NWT-000332, Issue 4, September 1991. The MTBF prediction is used to estimate
repair rates and spare parts requirements.
The Mean Time Between Failures (MTBF) data is calculated from predicted data at 55 ºC. The
MTBF calculations for the boards are as follows:
• D845HV board MTBF: 147370.4687 hours
• D845WN board MTBF: 126077.3308 hours
2.14 Environmental
Table 54 lists the environmental specifications for the D845HV and D845WN boards.
Table 54. D845HV/D845WN Board Environmental Specifications
Parameter Specification
Temperature
Non-Operating -40 °C to +70 °C
Operating 0 °C to +55 °C
Shock
Unpackaged 50 g trapezoidal waveform
Velocity change of 170 inches/second
Packaged Half sine 2 millisecond
Product Weight (pounds) Free Fall (inches) Velocity Change (inches/sec)
<20 36 167
21-40 30 152
41-80 24 136
81-100 18 118
Vibration
Unpackaged 5 Hz to 20 Hz: 0.01 g² Hz sloping up to 0.02 g² Hz
20 Hz to 500 Hz: 0.02 g² Hz (flat)
Packaged 10 Hz to 40 Hz: 0.015 g² Hz (flat)
40 Hz to 500 Hz: 0.015 g² Hz sloping down to 0.00015 g² Hz
- Apollo/Shadowhawk 1
- System Manual 3
- Copyright 4
- Disclaimers 4
- Getting Started 7
- Setting Up 8
- Switches and Indicators 9
- 4 Premio System Manual 10
- Upgrading 11
- Opening the System Unit 12
- Installing an Expansion Card 13
- Installing a Hard Drive 14
- Getting Help 15
- Keyboard Does Not Work 16
- Mouse Does Not Work 16
- System Unit Problems 17
- Hard Drive Problems 17
- Technical Support 18
- Premio on the Internet 18
- Appendix 19
- Service Under Warranty 20
- FCC Standards 21
- 16 Premio System Manual 22
- Appendix 17 23
- Desktop Board 24
- D845HV/D845WN 24
- Revision History 25
- Intended Audience 26
- What This Document Contains 26
- Typographical Conventions 26
- Other Common Notation 27
- Contents 28
- 2 Technical Reference 29
- 3 Overview of BIOS Features 29
- 4 BIOS Setup Program 30
- Product Description 34
- Feature Summary 35
- Table 2. Feature Summary 35
- Manufacturing Options 36
- Board Layouts 37
- Block Diagram 39
- 1.3 Online Support 40
- 1.4 Operating System Support 40
- Table 4. Specifications 41
- IrDA Serial Physical 42
- Layer Specification 42
- Table 5. Supported Processors 44
- 1.7 System Memory 45
- 1.8 Intel 47
- 845 Chipset 47
- 1.8.1 AGP 48
- 1.8.2 USB 48
- IDE Support 50
- Serial Ports 52
- Infrared Support 53
- Parallel Port 53
- Diskette Drive Controller 54
- I/O Controller Option 54
- Audio Connectors 56
- Audio Subsystem Software 56
- 1.11.1 Intel 57
- LAN Subsystem Software 58
- Fan Monitoring 59
- 1.14 Power Management 60
- (Note 1) 62
- (Note 2) 62
- 1.14.1.3 Plug and Play 63
- Hardware Support 64
- 1.14.2.2 Fan Connectors 65
- Product Description 66
- 1.14.2.5 Resume on Ring 67
- 1.14.2.6 Wake from USB 67
- Technical Reference 70
- Table 13. I/O Map 71
- Table 13. I/O Map (continued) 72
- Table 14. DMA Channels 73
- Table 16. Interrupts 74
- Note: D845WN board only 75
- 2.8 Connectors 76
- Back Panel Connectors 77
- Table 19. USB Connectors 78
- Internal I/O Connectors 80
- Figure 11. Audio Connectors 81
- D845WN board 87
- Table 35. CNR Connector 88
- Table 36. PCI Bus Connectors 89
- Table 37. AGP Connector 90
- Table 39. PCI IDE Connectors 92
- External I/O Connectors 93
- (Optional) 94
- 2.9 Jumper Blocks 97
- D845HV Form Factor 99
- D845WN Form Factor 100
- I/O Shield 101
- Technical Reference 102
- Power Consumption 103
- Table 50. Power Usage 103
- Add-in Board Considerations 103
- Power Supply Considerations 105
- 2.12 Thermal Considerations 106
- 2.13 Reliability 108
- 2.14 Environmental 108
- Safety Regulations 109
- Table 55. Safety Regulations 109
- EMC Regulations 109
- Table 56. EMC Regulations 109
- Overview of BIOS Features 112
- PCI Autoconfiguration 113
- PCI IDE Support 113
- 3.5 Legacy USB Support 114
- 3.6 BIOS Updates 115
- Language Support 116
- Custom Splash Screen 116
- CD-ROM and Network Boot 117
- Intel Rapid BIOS Boot 118
- 3.10 BIOS Security Features 119
- BIOS Setup Program 120
- Maintenance 121
- Extended Configuration 121
- Table 60. Maintenance Menu 121
- Table 62. Main Menu 123
- 4.4 Advanced Menu 124
- PCI Configuration Submenu 125
- Boot Configuration Submenu 126
- IDE Configuration Submenu 129
- Video Configuration Submenu 134
- Maintenance Main Advanced 135
- Security 135
- Power Boot Exit 135
- Table 72. Security Menu 135
- Boot Exit 136
- Table 73. Power Menu 136
- ACPI Submenu 137
- 4.7 Boot Menu 138
- Hard Disk Drives Submenu 140
- Removable Devices Submenu 140
- ATAPI CD-ROM Drives Submenu 141
- Table 80. Exit Menu 142
- What This Chapter Contains 144
- Table 81. BIOS Error Messages 144
- 5.2 Port 80h POST Codes 146
- 5.4 Speaker (Optional) 151
- 5.5 BIOS Beep Codes 151
- Table 88. Beep Codes 152
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