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Intel BOXD845GLVAL Product Specification - Page 46

Table 20., PCI Interrupt Routing Map

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Intel Desktop Board D845GLVA Technical Product Specification Table 20. PCI Interrupt Routing Map PCI Interrupt Source PIRQA Intel Extreme Graphics Controller INTA ICH4 USB UHCI controller 1 INTA SMBus controller ICH4 USB UHCI controller 2 AC '97 ICH4 Audio/Modem ICH4 LAN ICH4 USB UHCI controller 3 ICH4 USB 2.0 EHCI controller PCI bus connector 1 PCI bus connector 2 PCI bus connector 3 INTD PIRQB INTB INTB INTC ICH4 PIRQ Signal Name PIRQC PIRQD PIRQE PIRQF INTB INTC INTA INTA INTB INTD INTC INTA INTB PIRQG INTB INTA PIRQH INTD INTC INTD ✏ NOTE In PIC mode, the ICH4 can connect each PIRQ line internally to one of the IRQ signals (3, 4, 5, 6, 7, 9, 10, 11, 12, 14, and 15). Typically, a device that does not share a PIRQ line will have a unique interrupt. However, in certain interrupt-constrained situations, it is possible for two or more of the PIRQ lines to be connected to the same IRQ signal. Refer to Table 19 for the allocation of PIRQ lines to IRQ signals in APIC mode. 46

Section	Page
Intel® Desktop Board D845GLVA Technical Product Specification	1
Revision History / Disclaimer	2
Preface	3
Intended Audience	3
What This Document Contains	3
Typographical Conventions	3
Notes, Cautions, and Warnings	3
Other Common Notation	4
Contents	5
1 Product Description	11
1.1 Overview	12
1.1.1 Feature Summary	12
1.1.2 Manufacturing Options	13
1.1.3 Board Layout	14
1.2 Block Diagram	15
1.3 Online Support	16
1.4 Operating System Support	16
1.5 Design Specifications	17
1.6 Processor	20
1.7 System Memory	21
1.8 Intel® 845GL Chipset	23
1.8.1 Intel® Extreme Graphics Controller	23
1.8.2 USB	28
1.8.3 IDE Interfaces	28
1.8.4 Real-Time Clock, CMOS SRAM, and Battery	29
1.9 I/O Controller	30
1.9.1 Serial Port	30
1.9.2 Parallel Port	30
1.9.3 Diskette Drive Controller	30
1.9.4 Keyboard and Mouse Interface	30
1.10 Audio Subsystem	31
1.10.1 Audio Connectors	31
1.10.2 Audio Subsystem Software	32
1.11 LAN Subsystem (Optional)	32
1.11.1 Intel® 82562ET Platform LAN Connect Device	32
1.11.2 RJ-45 LAN Connector with Integrated LEDs	32
1.11.3 LAN Subsystem Software	33
1.12 Hardware Management Subsystem	33
1.12.1 Hardware Monitoring ASIC (Optional)	33
1.12.2 Fan Monitoring	33
1.12.3 Chassis Intrusion and Detection	34
1.13 Power Management	34
1.13.1 ACPI	35
1.13.2 Hardware Support	37
2 Technical Reference	41
2.1 Introduction	41
2.2 Memory Map	41
2.3 Fixed I/O Map	42
2.4 DMA Channels	43
2.5 PCI Configuration Space Map	43
2.6 Interrupts	44
2.7 PCI Interrupt Routing Map	45
2.8 Connectors	47
2.8.1 Back Panel Connectors	48
2.8.2 Internal I/O Connectors	49
2.8.3 External I/O Connectors	54
2.9 Jumper Blocks	58
2.9.1 Front Panel Audio Connector/Jumper Block	58
2.9.2 BIOS Setup Configuration Jumper Block	59
2.10 Mechanical Considerations	60
2.10.1 I/O Shield	61
2.11 Electrical Considerations	62
2.11.1 Power Consumption	62
2.11.2 Add-in Board Considerations	62
2.11.3 Standby Current Requirements	63
2.11.4 Fan Connector Current Capability	64
2.11.5 Power Supply Considerations	64
2.12 Thermal Considerations	65
2.13 Reliability	67
2.14 Environmental	67
2.15 Regulatory Compliance	68
2.15.1 Safety Regulations	68
2.15.2 EMC Regulations	68
2.15.3 European Union Declaration of Conformity Statement	69
2.15.4 Product Ecology Statements	70
2.15.5 Product Certification Markings (Board Level)	71
3 Overview of BIOS Features	73
3.1 Introduction	73
3.2 BIOS Flash Memory Organization	74
3.3 Resource Configuration	74
3.3.1 PCI Autoconfiguration	74
3.3.2 PCI IDE Support	74
3.4 System Management BIOS (SMBIOS)	74
3.5 Legacy USB Support	75
3.6 BIOS Updates	76
3.6.1 Language Support	76
3.6.2 Custom Splash Screen	76
3.7 Recovering BIOS Data	77
3.8 Boot Options	78
3.8.1 CD-ROM Boot	78
3.8.2 Network Boot	78
3.8.3 Booting Without Attached Devices	78
3.8.4 Changing the Default Boot Device During POST	78
3.9 Fast Booting Systems with Intel Rapid BIOS Boot	79
3.9.1 Peripheral Selection and Configuration	79
3.9.2 Intel Rapid BIOS Boot	79
3.10 BIOS Security Features	80
4 BIOS Setup Program	81
4.1 Introduction	81
4.2 Maintenance Menu	82
4.3 Main Menu	83
4.4 Advanced Menu	84
4.4.1 PCI Configuration Submenu	85
4.4.2 Boot Configuration Submenu	86
4.4.3 Peripheral Configuration Submenu	87
4.4.4 IDE Configuration Submenu	89
4.4.5 Diskette Configuration Submenu	92
4.4.6 Event Log Configuration Submenu	93
4.4.7 Video Configuration Submenu	94
4.4.8 USB Configuration Submenu	95
4.4.9 Chipset Configuration Submenu	96
4.5 Security Menu	98
4.6 Power Menu	99
4.6.1 ACPI Submenu	99
4.7 Boot Menu	100
4.7.1 Boot Device Priority Submenu	101
4.7.2 Hard Disk Drives Submenu	102
4.7.3 Removable Devices Submenu	102
4.7.4 ATAPI CD-ROM Drives Submenu	103
4.8 Exit Menu	104
5 Error Messages and Beep Codes	105
5.1 BIOS Error Messages	105
5.2 Port 80h POST Codes	107
5.3 Bus Initialization Checkpoints	111
5.4 Speaker	112