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Intel D865GSA Product Specification - Page 11

Table 1. Feature Summary - bios for

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Product Description Table 1. Feature Summary (continued) BIOS • Intel/AMI BIOS (resident in the 4 Mbit FWH) • Support for Advanced Configuration and Power Interface (ACPI), Plug and Play, and SMBIOS Instantly Available PC Technology Expansion Capabilities Hardware Monitor Subsystem • Support for PCI Local Bus Specification Revision 2.3 • Suspend to RAM support • Wake on PCI, RS-232, front panel, PS/2 devices, and USB ports • Three PCI bus add-in card connectors (SMBus routed to PCI bus connector 2) • Universal 0.8 V / 1.5 V AGP 3.0 connector supporting 1x, 4x, and 8x AGP cards • Hardware monitoring and fan control through the Winbond W83627EHG I/O controller • Voltage sense to detect out of range power supply voltages • Thermal sense to detect out of range thermal values • Three fan connectors • Three fan sense inputs used to monitor fan activity • Fan speed control For information about Available configurations for the Desktop Board D865GSA Refer to Section 1.2, page 15 11

Section	Page
Intel® Desktop Board D865GSA 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	9
1.1 Overview	10
1.1.1 Feature Summary	10
1.1.2 Board Layout	12
1.1.3 Block Diagram	14
1.2 Online Support	15
1.3 Processor	15
1.4 System Memory	16
1.4.1 Memory Configurations	18
1.5 Intel® 865G Chipset	21
1.5.1 Intel 865G Graphics Subsystem	21
1.5.2 Universal 0.8 V / 1.5 V AGP 3.0 Connector	29
1.5.3 USB	30
1.5.4 IDE Support	30
1.5.5 Real-Time Clock, CMOS SRAM, and Battery	32
1.6 Legacy I/O Controller	36
1.6.1 Serial Port	36
1.6.2 Parallel Port	36
1.6.3 Diskette Drive Controller	36
1.6.4 Keyboard and Mouse Interface	37
1.7 Audio Subsystem	37
1.7.1 Audio Subsystem Software	37
1.7.2 Audio Connectors	37
1.8 LAN Subsystem	38
1.8.2 LAN Subsystem Software	38
1.9 Hardware Management Subsystem	39
1.9.1 Hardware Monitoring and Fan Control	39
1.9.2 Fan Monitoring	39
1.9.3 Chassis Intrusion and Detection	39
1.9.4 Thermal Monitoring	40
1.10 Power Management	41
1.10.1 ACPI	41
1.10.2 Hardware Support	43
2 Technical Reference	47
2.1 Memory Map	47
2.2 Fixed I/O Map	48
2.3 PCI Configuration Space Map	49
2.4 Interrupts	50
2.5 DMA Channels	51
2.6 PCI Interrupt Routing Map	51
2.7 Connectors	52
2.7.1 Back Panel Connectors	53
2.7.2 Component-side Connectors	54
2.8 Jumper Block	61
2.9 Mechanical Considerations	62
2.9.1 Form Factor	62
2.9.2 I/O Shield	63
2.10 Electrical Considerations	64
2.10.1 DC Loading	64
2.10.2 Fan Connector Current Capability	64
2.10.3 Add-in Board Considerations	64
2.10.4 Power Supply Considerations	65
2.11 Thermal Considerations	66
2.12 Reliability	68
2.13 Environmental	69
2.14 Regulatory Compliance	70
2.14.1 Safety Regulations	70
2.14.2 European Union Declaration of Conformity Statement	70
2.14.3 Product Ecology Statements	72
2.14.4 EMC Regulations	75
2.14.5 Product Certification Markings (Board Level)	76
3 Overview of BIOS Features	77
3.1 Introduction	77
3.2 BIOS Flash Memory Organization	78
3.3 Resource Configuration	78
3.3.1 PCI Autoconfiguration	78
3.3.2 PCI IDE Support	79
3.4 System Management BIOS (SMBIOS)	79
3.5 Legacy USB Support	80
3.6 BIOS Updates	80
3.6.1 Language Support	81
3.6.2 Custom Splash Screen	81
3.7 Boot Options	81
3.7.1 CD-ROM Boot	81
3.7.2 Network Boot	81
3.7.3 Booting Without Attached Devices	82
3.7.4 Changing the Default Boot Device During POST	82
3.8 Fast Booting Systems with Intel® Rapid BIOS Boot	82
3.8.1 Peripheral Selection and Configuration	82
3.8.2 Intel Rapid BIOS Boot	83
3.9 BIOS Security Features	84
4 Error Messages and Beep Codes	85
4.1 BIOS Error Messages	85
4.2 Port 80h POST Codes	86
4.3 Bus Initialization Checkpoints	91
4.4 Speaker	92