Intel D945GCNL Product Specification - Page 6

Overview of BIOS Features, Error Messages and Beep Codes

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Intel Desktop Board D945GCNL Technical Product Specification 2.5 Interrupts 42 2.6 PCI Conventional Interrupt Routing Map 43 2.7 Connectors and Headers 44 2.7.1 Back Panel Connectors 45 2.7.2 Component-side Connectors and Headers 46 2.8 Jumper Block 54 2.9 Mechanical Considerations 56 2.9.1 Form Factor 56 2.10 Electrical Considerations 57 2.10.1 Power Supply Considerations 57 2.10.2 Fan Header Current Capability 58 2.10.3 Add-in Board Considerations 58 2.11 Thermal Considerations 59 2.12 Reliability 61 2.13 Environmental 61 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 3.3.2 PCI IDE Support 65 3.4 System Management BIOS (SMBIOS 65 3.5 BIOS Updates 66 3.5.1 Language Support 66 3.5.2 Custom Splash Screen 66 3.6 Legacy USB Support 67 3.7 Boot Options 67 3.7.1 CD-ROM Boot 67 3.7.2 Network Boot 67 3.7.3 Booting Without Attached Devices 68 3.7.4 Changing the Default Boot Device During POST 68 3.8 Adjusting Boot Speed 69 3.8.1 Peripheral Selection and Configuration 69 3.8.2 BIOS Boot Optimizations 69 3.9 BIOS Security Features 70 4 Error Messages and Beep Codes 4.1 Speaker 71 4.2 BIOS Beep Codes 71 4.3 BIOS Error Messages 71 4.4 Port 80h POST Codes 72 vi

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Intel Desktop Board D945GCNL Technical Product Specification
vi
2.5
Interrupts
......................................................................................
42
2.6
PCI Conventional Interrupt Routing Map
.............................................
43
2.7
Connectors and Headers
...................................................................
44
2.7.1
Back Panel Connectors
..........................................................
45
2.7.2
Component-side Connectors and Headers
................................
46
2.8
Jumper Block
..................................................................................
54
2.9
Mechanical Considerations
................................................................
56
2.9.1
Form Factor
.........................................................................
56
2.10
Electrical Considerations
...................................................................
57
2.10.1
Power Supply Considerations
.................................................
57
2.10.2
Fan Header Current Capability
................................................
58
2.10.3
Add-in Board Considerations
..................................................
58
2.11
Thermal Considerations
....................................................................
59
2.12
Reliability
.......................................................................................
61
2.13
Environmental
................................................................................
61
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
3.3.2
PCI IDE Support
...................................................................
65
3.4
System Management BIOS (SMBIOS)
.................................................
65
3.5
BIOS Updates
.................................................................................
66
3.5.1
Language Support
................................................................
66
3.5.2
Custom Splash Screen
..........................................................
66
3.6
Legacy USB Support
........................................................................
67
3.7
Boot Options
...................................................................................
67
3.7.1
CD-ROM Boot
......................................................................
67
3.7.2
Network Boot
.......................................................................
67
3.7.3
Booting Without Attached Devices
...........................................
68
3.7.4
Changing the Default Boot Device During POST
........................
68
3.8
Adjusting Boot Speed
.......................................................................
69
3.8.1
Peripheral Selection and Configuration
.....................................
69
3.8.2
BIOS Boot Optimizations
.......................................................
69
3.9
BIOS Security Features
....................................................................
70
4
Error Messages and Beep Codes
4.1
Speaker
.........................................................................................
71
4.2
BIOS Beep Codes
............................................................................
71
4.3
BIOS Error Messages
.......................................................................
71
4.4
Port 80h POST Codes
.......................................................................
72