Intel DX79TO Technical Product Specification - Page 8

Technical Reference, Overview of BIOS Features, Error Messages and Beep Codes - not booting

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Intel Desktop Board DX79TO Technical Product Specification 2 Technical Reference 2.1 Memory Resources 41 2.1.1 Addressable Memory 41 2.1.2 Memory Map 43 2.2 Connectors and Headers 43 2.2.1 Back Panel Connectors 44 2.2.2 Component-side Connectors and Headers 46 2.3 Jumper Block 55 2.4 Mechanical Considerations 57 2.4.1 Form Factor 57 2.5 Electrical Considerations 58 2.5.1 Power Supply Considerations 58 2.5.2 Fan Header Current Capability 59 2.5.3 Add-in Board Considerations 59 2.6 Thermal Considerations 60 2.7 Reliability 62 2.8 Environmental 62 3 Overview of BIOS Features 3.1 Introduction 63 3.2 BIOS Flash Memory Organization 64 3.3 Resource Configuration 64 3.3.1 PCI Autoconfiguration 64 3.4 System Management BIOS (SMBIOS 65 3.5 Legacy USB Support 65 3.6 BIOS Updates 66 3.6.1 Language Support 66 3.6.2 Custom Splash Screen 67 3.7 BIOS Recovery 67 3.8 Boot Options 68 3.8.1 Optical Drive Boot 68 3.8.2 Network Boot 68 3.8.3 Booting Without Attached Devices 68 3.8.4 Changing the Default Boot Device During POST 68 3.9 Adjusting Boot Speed 69 3.9.1 Peripheral Selection and Configuration 69 3.9.2 BIOS Boot Optimizations 69 3.10 BIOS Security Features 70 3.11 BIOS Performance Features 71 4 Error Messages and Beep Codes 4.1 Speaker 73 4.2 BIOS Beep Codes 73 4.3 Front-panel Power LED Blink Codes 74 4.4 BIOS Error Messages 74 4.5 Port 80h POST Codes 75 viii

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Intel Desktop Board DX79TO Technical Product Specification
viii
2
Technical Reference
2.1
Memory Resources
...........................................................................
41
2.1.1
Addressable Memory
.............................................................
41
2.1.2
Memory Map
.........................................................................
43
2.2
Connectors and Headers
....................................................................
43
2.2.1
Back Panel Connectors
...........................................................
44
2.2.2
Component-side Connectors and Headers
.................................
46
2.3
Jumper Block
...................................................................................
55
2.4
Mechanical Considerations
.................................................................
57
2.4.1
Form Factor
..........................................................................
57
2.5
Electrical Considerations
....................................................................
58
2.5.1
Power Supply Considerations
..................................................
58
2.5.2
Fan Header Current Capability
................................................
59
2.5.3
Add-in Board Considerations
...................................................
59
2.6
Thermal Considerations
.....................................................................
60
2.7
Reliability
.........................................................................................
62
2.8
Environmental
..................................................................................
62
3
Overview of BIOS Features
3.1
Introduction
.....................................................................................
63
3.2
BIOS Flash Memory Organization
........................................................
64
3.3
Resource Configuration
.....................................................................
64
3.3.1
PCI Autoconfiguration
............................................................
64
3.4
System Management BIOS (SMBIOS)
.................................................
65
3.5
Legacy USB Support
.........................................................................
65
3.6
BIOS Updates
..................................................................................
66
3.6.1
Language Support
.................................................................
66
3.6.2
Custom Splash Screen
...........................................................
67
3.7
BIOS Recovery
.................................................................................
67
3.8
Boot Options
....................................................................................
68
3.8.1
Optical Drive Boot
.................................................................
68
3.8.2
Network Boot
........................................................................
68
3.8.3
Booting Without Attached Devices
...........................................
68
3.8.4
Changing the Default Boot Device During POST
.........................
68
3.9
Adjusting Boot Speed
........................................................................
69
3.9.1
Peripheral Selection and Configuration
.....................................
69
3.9.2
BIOS Boot Optimizations
........................................................
69
3.10
BIOS Security Features
.....................................................................
70
3.11
BIOS Performance Features
...............................................................
71
4
Error Messages and Beep Codes
4.1
Speaker
..........................................................................................
73
4.2
BIOS Beep Codes
.............................................................................
73
4.3
Front-panel Power LED Blink Codes
.....................................................
74
4.4
BIOS Error Messages
........................................................................
74
4.5
Port 80h POST Codes
........................................................................
75