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Intel D945PLRN D945PLRN Technical Product Specification - Page 31

LAN Subsystem - ethernet driver

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Product Description 1.9 LAN Subsystem The 10/100 Mbits/sec LAN subsystem consists of the following: • Intel 82801G ICH7 • Intel 82562GX Platform LAN Connect (PLC) device • RJ-45 LAN connector with integrated status LEDs. Additional features of the LAN subsystem include: • CSMA/CD protocol engine • PCI Conventional bus power management ⎯ Supports ACPI technology ⎯ Supports LAN wake capabilities 1.9.1 LAN Subsystem Software LAN software and drivers are available from Intel's World Wide Web site. For information about Obtaining LAN software and drivers Refer to Section 1.2, page 15 1.9.2 Intel® 82562GX Physical Layer Interface Device The Intel 82562GX provides the following functions: • 10/100 Ethernet LAN connectivity • Full device driver compatibility • Programmable transit threshold • Configuration EEPROM that contains the MAC address 31

Section	Page
Intel® Desktop Board D945PLRN Technical Product Specification	1
Revision History / Disclaimer	2
Preface	3
Intended Audience	3
What This Document Contains	3
Typographical Conventions	3
Contents	5
1 Product Description	9
1.1 Overview	10
1.1.1 Feature Summary	10
1.1.2 Manufacturing Options	11
1.1.3 Board Layout	12
1.1.4 Block Diagram	14
1.2 Online Support	15
1.3 Processor	15
1.4 System Memory	16
1.4.1 Memory Configurations	17
1.5 Intel® 945PL Chipset	20
1.5.1 USB	20
1.5.2 IDE Support	21
1.5.3 Real-Time Clock, CMOS SRAM, and Battery	23
1.6 PCI Express Connectors	27
1.7 Legacy I/O Controller	27
1.7.1 Serial Port	27
1.7.2 Parallel Port	28
1.7.3 Diskette Drive Controller	28
1.7.4 Keyboard and Mouse Interface	28
1.8 Audio Subsystem	29
1.8.1 Audio Subsystem Software	29
1.8.2 Audio Connectors	29
1.8.3 6-Channel (5.1) Audio Subsystem	30
1.9 LAN Subsystem	31
1.9.1 LAN Subsystem Software	31
1.9.2 Intel® 82562GX Physical Layer Interface Device	31
1.10 Hardware Management Subsystem	33
1.10.1 Hardware Monitoring and Fan Control ASIC	33
1.10.2 Chassis Intrusion and Detection	33
1.10.3 Fan Monitoring	33
1.10.4 Thermal Monitoring	34
1.11 Power Management	35
1.11.1 ACPI	35
1.11.2 Hardware Support	37
2 Technical Reference	41
2.1 Memory Map	41
2.2 Fixed I/O Map	42
2.3 PCI Configuration Space Map	43
2.4 Interrupts	44
2.5 DMA Channels	45
2.6 PCI Conventional Interrupt Routing Map	45
2.7 Connectors	46
2.7.1 Back Panel Connectors	47
2.7.2 Component-side Connectors	48
2.8 Jumper Block	57
2.9 Mechanical Considerations	58
2.9.1 Form Factor	58
2.9.2 I/O Shield	59
2.10 Electrical Considerations	60
2.10.1 DC Loading	60
2.10.2 Add-in Board Considerations	60
2.10.3 Fan Connector Current Capability	61
2.10.4 Power Supply Considerations	61
2.11 Thermal Considerations	62
2.12 Reliability	64
2.13 Environmental	65
2.14 Regulatory Compliance	66
2.14.1 Safety Regulations	66
2.14.2 European Union Declaration of Conformity Statement	66
2.14.3 Product Ecology Statements	68
2.14.4 EMC Regulations	71
2.14.5 Product Certification Markings (Board Level)	73
3 Overview of BIOS Features	75
3.1 Introduction	75
3.2 BIOS Flash Memory Organization	76
3.3 Resource Configuration	76
3.3.1 PCI Autoconfiguration	76
3.3.2 PCI IDE Support	76
3.4 System Management BIOS (SMBIOS)	77
3.5 Legacy USB Support	77
3.6 BIOS Updates	78
3.6.1 Language Support	78
3.6.2 Custom Splash Screen	78
3.7 Boot Options	79
3.7.1 CD-ROM Boot	79
3.7.2 Network Boot	79
3.7.3 Booting Without Attached Devices	79
3.7.4 Changing the Default Boot Device During POST	79
3.8 Adjusting Boot Speed	80
3.8.1 Peripheral Selection and Configuration	80
3.8.2 BIOS Boot Optimizations	80
3.9 BIOS Security Features	81
4 Error Messages and Beep Codes	83
4.1 Speaker	83
4.2 BIOS Beep Codes	83
4.3 BIOS Error Messages	83