Intel D845GLLY D845GL_Boards_TechProdSpec - Page 8

Technical Product Specification for Intel Desktop Boards using the Intel 845GL Chipset

viii

36.

USB Configuration Submenu

......................................................................................

66

37.

Chipset Configuration Submenu

.................................................................................

67

38.

Security Menu

............................................................................................................

68

39.

Power Menu

...............................................................................................................

69

40.

ACPI Submenu

...........................................................................................................

69

41.

Boot Menu

..................................................................................................................

70

42.

Boot Device Priority Submenu

....................................................................................

71

43.

Hard Disk Drives Submenu

........................................................................................

72

44.

Removable Devices Submenu

....................................................................................

72

45.

ATAPI CD-ROM Drives Submenu

..............................................................................

73

46.

Exit Menu

...................................................................................................................

73

47.

BIOS Error Messages

.................................................................................................

75

48.

Uncompressed INIT Code Checkpoints

......................................................................

77

49.

Boot Block Recovery Code Checkpoints

....................................................................

77

50.

Runtime Code Uncompressed in F000 Shadow RAM

................................................

78

51.

Bus Initialization Checkpoints

.....................................................................................

81

52.

Upper Nibble High Byte Functions

..............................................................................

81

53.

Lower Nibble High Byte Functions

..............................................................................

82

54.

Beep Codes

................................................................................................................

83

Section	Page
Technical Product Specification for Intel® Desktop Boards using the Intel® 845GL Chipset	1
Revision History / Disclaimer	2
Preface	3
Intended Audience	3
What This Document Contains	3
Typographical Conventions	3
Footnotes, Notes, Integrator’s Notes, Cautions, and Warnings	3
Other Common Notation	4
Contents	5
1 Product Description	9
1.1 Overview	9
1.1.1 Feature Summary	9
1.1.2 Block Diagram	11
1.2 Online Support	12
1.3 Operating System Support	12
1.4 Design Specifications	13
1.5 Processor	17
1.6 System Memory	18
1.7 Intel® 845GL Chipset	20
1.7.1 Intel® Extreme Graphics Controller	20
1.7.2 USB	25
1.7.3 IDE Interfaces	25
1.7.4 Real-Time Clock, CMOS SRAM, and Battery	26
1.8 I/O Controller	26
1.8.1 Serial Ports	27
1.8.2 Parallel Port	27
1.8.3 Diskette Drive Controller	27
1.8.4 Keyboard and Mouse Interface	27
1.9 Audio Subsystem	27
1.9.1 Audio Connectors	28
1.9.2 Audio Subsystem Software	28
1.10 LAN Subsystem	28
1.10.1 Intel® 82562ET Platform LAN Connect Device	29
1.10.2 RJ-45 LAN Connector with Integrated LEDs	29
1.10.3 LAN Subsystem Software	29
1.11 Hardware Management Subsystem	29
1.11.1 Fan Monitoring	30
1.11.2 Chassis Intrusion and Detection	30
1.12 Power Management	30
1.12.1 ACPI	31
1.12.2 Hardware Support	33
2 Technical Reference	37
2.1 Introduction	37
2.2 Memory Map	37
2.3 Fixed I/O Map	38
2.4 DMA Channels	39
2.5 PCI Configuration Space Map	39
2.6 Interrupts	40
2.7 PCI Interrupt Routing Map	41
2.8 Environmental	43
3 BIOS Overview	45
3.1 Introduction	45
3.2 BIOS Flash Memory Organization	45
3.3 Resource Configuration	45
3.3.1 PCI Autoconfiguration	45
3.3.2 PCI IDE Support	45
3.4 System Management BIOS (SMBIOS)	46
3.5 Legacy USB Support	47
3.6 BIOS Updates	47
3.6.1 Language Support	48
3.6.2 Custom Splash Screen	48
3.7 Recovering BIOS Data	49
3.8 Boot Options	49
3.8.1 CD-ROM Boot	49
3.8.2 Network Boot	50
3.8.3 Booting Without Attached Devices	50
3.8.4 Changing the Default Boot Device During POST	50
3.9 Fast Booting Systems with Intel® Rapid BIOS Boot	50
3.9.1 Peripheral Selection and Configuration	50
3.9.2 Intel Rapid BIOS Boot	51
3.10 BIOS Security Features	51
4 BIOS Setup Program	53
4.1 Introduction	53
4.2 Maintenance Menu	54
4.3 Main Menu	54
4.4 Advanced Menu	55
4.4.1 PCI Configuration Submenu	56
4.4.2 Boot Configuration Submenu	57
4.4.3 Peripheral Configuration Submenu	58
4.4.4 IDE Configuration Submenu	60
4.4.5 Diskette Configuration Submenu	63
4.4.6 Event Log Configuration Submenu	64
4.4.7 Video Configuration Submenu	65
4.4.8 USB Configuration Submenu	66
4.4.9 Chipset Configuration Submenu	67
4.5 Security Menu	68
4.6 Power Menu	69
4.6.1 ACPI Submenu	69
4.7 Boot Menu	70
4.7.1 Boot Device Priority Submenu	71
4.7.2 Hard Disk Drives Submenu	72
4.7.3 Removable Devices Submenu	72
4.7.4 ATAPI CD-ROM Drives Submenu	73
4.8 Exit Menu	73
5 Error Messages and Beep Codes	75
5.1 BIOS Error Messages	75
5.2 Port 80h POST Codes	77
5.3 Bus Initialization Checkpoints	81
5.4 Speaker	82

Intel D845GLLY D845GL_Boards_TechProdSpec - Page 8

Runtime Code Uncompressed in F000 Shadow RAM - bios recovery

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