Intel BLKD945GCNL Konfigurationshandbuch

une 2007

Order Number: D98466-01US

The Intel®Desktop Board D945GCNL may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current

characterized errata are documented in the Intel Desktop Board D945GCNL Specification Update.

Intel® Desktop Board

D945GCNL

Technical Product Specification

Revision History

Revision Revision History Date

-001 This is the first release of the Intel®Desktop Board D945GCNL Technical

Product Specification

June 2007

This product specification applies to only the standard Intel Desktop Board D945GCNL with BIOS

identifier NL94510J.86A.

Changes to this specification will be published in the Intel Desktop Board D945GCNL

Specification Update before being incorporated into a revision of this document.

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or “undefined.” Intel reserves these for future definition and shall have no responsibility whatsoever for

conflicts or incompatibilities arising from future changes to them.

Intel®desktop boards may contain design defects or errors known as errata, which may cause the product

to deviate from published specifications. Current characterized errata are available on request.

Contact your local Intel sales office or your distributor to obtain the latest specifications before placing your

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iii

Preface

This Technical Product Specification (TPS) specifies the board layout, components,

connectors, power and environmental requirements, and the BIOS for the Intel®

Desktop Board D945GCNL. It describes the standard product and available

manufacturing options.

Intended Audience

The TPS is intended to provide detailed, technical information about the Desktop Board

D945GCNL and its components to the vendors, system integrators, and other

engineers and technicians who need this level of information. It is specifically not

intended for general audiences.

What This Document Contains

Chapter Description

1 A description of the hardware used on the Desktop Board D945GCNL

2 A map of the resources of the Desktop Board

3 The features supported by the BIOS Setup program

4 A description of the BIOS error messages, beep codes, and POST codes

5 Regulatory compliance and battery disposal information

Typographical Conventions

This section contains information about the conventions used in this specification. Not

all of these symbols and abbreviations appear in all specifications of this type.

Notes, Cautions, and Warnings

 NOTE

Notes call attention to important information.

# INTEGRATOR’S NOTES

Integrator’s notes are used to call attention to information that may be useful to

system integrators.

CAUTION

Cautions are included to help you avoid damaging hardware or losing data.

Intel Desktop Board D945GCNL Technical Product Specification

WARNING

Warnings indicate conditions which, if not observed, can cause personal injury.

Other Common Notation

# Used after a signal name to identify an active-low signal (such as USBP0#).

(NxnX) When used in the description of a component, N indicates component type, xn are the

relative coordinates of its location on the Desktop Board D945GCNL, and X is the instance of

the particular part at that general location. For example, J5J1 is a connector, located at 5J.

It is the first connector in the 5J area.

GB Gigabyte (1,073,741,824 bytes)

GB/sec Gigabytes per second

Gbits/sec Gigabits per second

KB Kilobyte (1024 bytes)

Kbit Kilobit (1024 bits)

kbits/sec 1000 bits per second

MB Megabyte (1,048,576 bytes)

MB/sec Megabytes per second

Mbit Megabit (1,048,576 bits)

Mbit/sec Megabits per second

xxh An address or data value ending with a lowercase h indicates a hexadecimal value.

x.x V Volts. Voltages are DC unless otherwise specified.

* This symbol is used to indicate third-party brands and names that are the property of their

respective owners.

Contents

1Product Description

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 ......................................................... 17

1.5 Intel®945GC Chipset....................................................................... 18

1.5.1 Intel 945GC Graphics Subsystem............................................ 18

1.5.2 USB ................................................................................... 20

1.5.3 IDE Support ........................................................................ 21

1.5.4 Real-Time Clock, CMOS SRAM, and Battery .............................. 22

1.6 PCI Express* Connectors.................................................................. 22

1.7 Legacy I/O Controller....................................................................... 23

1.7.1 Serial Port ........................................................................... 23

1.7.2 Parallel Port......................................................................... 23

1.7.3 Diskette Drive Controller ....................................................... 23

1.7.4 Keyboard and Mouse Interface ............................................... 23

1.8 Audio Subsystem............................................................................. 24

1.8.1 Audio Subsystem Software .................................................... 24

1.8.2 Audio Connectors ................................................................. 24

1.8.3 6 Channel (5.1) Audio Subsystem........................................... 25

1.9 LAN Subsystem............................................................................... 26

1.9.1 LAN Subsystem Software....................................................... 26

1.9.2 Realtek RTL8111B-GR Physical Layer Interface Device ............... 26

1.10 Hardware Management Subsystem .................................................... 28

1.10.1 Hardware Monitoring and Fan Control ASIC .............................. 28

1.10.2 Chassis Intrusion and Detection.............................................. 28

1.10.3 Fan Monitoring..................................................................... 28

1.10.4 Thermal Monitoring .............................................................. 29

1.11 Power Management ......................................................................... 30

1.11.1 ACPI .................................................................................. 30

1.11.2 Hardware Support ................................................................ 32

2Technical Reference

2.1 Memory Resources .......................................................................... 37

2.1.1 Addressable Memory............................................................. 37

2.1.2 Memory Map........................................................................ 39

2.2 DMA Channels................................................................................. 39

2.3 Fixed I/O Map ................................................................................. 40

2.4 PCI Configuration Space Map ............................................................ 41

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

3Overview 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

4Error 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

Contents

vii

5Regulatory Compliance and Battery Disposal Information

5.1 Regulatory Compliance..................................................................... 77

5.1.1 Safety Standards.................................................................. 77

5.1.2 European Union Declaration of Conformity Statement................ 78

5.1.3 Product Ecology Statements................................................... 79

5.1.4 EMC Regulations .................................................................. 83

5.1.5 Product Certification Markings (Board Level)............................. 85

5.2 Battery Disposal Information............................................................. 86

Figures

1. Board Components .......................................................................... 12

2. Block Diagram ................................................................................ 14

3. Back Panel Audio Connector Options .................................................. 25

4. LAN Connector LED Locations............................................................ 27

5. Thermal Sensors and Fan Headers ..................................................... 29

6. Location of the Standby Power Indicator LED....................................... 35

7. Detailed System Memory Address Map ............................................... 38

8. Back Panel Connectors ..................................................................... 45

9. Component-side Connectors and Headers ........................................... 46

10. Connection Diagram for Front Panel Header ........................................ 51

11. Connection Diagram for Front Panel USB Headers ................................ 53

12. Location of the Jumper Block............................................................. 54

13. Board Dimensions ........................................................................... 56

14. Localized High Temperature Zones..................................................... 60

Tables

1. Feature Summary............................................................................ 10

2. Board Components Shown in Figure 1 ................................................ 13

3. Supported Memory Configurations ..................................................... 16

4. LAN Connector LED States ................................................................ 27

5. Effects of Pressing the Power Switch .................................................. 30

6. Power States and Targeted System Power........................................... 31

7. Wake-up Devices and Events ............................................................ 32

8. System Memory Map ....................................................................... 39

9. DMA Channels................................................................................. 39

10. I/O Map ......................................................................................... 40

11. PCI Configuration Space Map ............................................................ 41

12. Interrupts ...................................................................................... 42

13. PCI Interrupt Routing Map ................................................................ 43

14. Component-side Connectors and Headers Shown in Figure 9 ................. 47

15. Front Panel Audio Header ................................................................. 48

16. Chassis Intrusion Header.................................................................. 48

17. Serial ATA Connectors...................................................................... 48

18. Processor Fan Header ...................................................................... 48

19. Front and Rear Chassis Fan Headers .................................................. 48

Intel Desktop Board D945GCNL Technical Product Specification

viii

20. Main Power Connector...................................................................... 49

21. Processor Core Power Connector........................................................ 49

22. Auxiliary Front Panel Power/Sleep LED Header..................................... 50

23. Front Panel Header .......................................................................... 51

24. States for a One-Color Power LED...................................................... 52

25. States for a Two-Color Power LED...................................................... 52

26. BIOS Setup Configuration Jumper Settings.......................................... 55

27. Recommended Power Supply Current Values ....................................... 57

28. Fan Header Current Capability........................................................... 58

29. Thermal Considerations for Components ............................................. 60

30. Environmental Specifications............................................................. 61

31. BIOS Setup Program Menu Bar.......................................................... 64

32. BIOS Setup Program Function Keys.................................................... 64

33. Boot Device Menu Options ................................................................ 68

34. Supervisor and User Password Functions............................................. 70

35. Beep Codes .................................................................................... 71

36. BIOS Error Messages ....................................................................... 71

37. Port 80h POST Code Ranges.............................................................. 72

38. Port 80h POST Codes ....................................................................... 73

39. Typical Port 80h POST Sequence........................................................ 76

40. Safety Standards............................................................................. 77

41. Lead-Free Board Markings ................................................................ 82

42. EMC Regulations ............................................................................. 83

43. Product Certification Markings ........................................................... 85

1Product Description

What This Chapter Contains