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Intel D945GCLF2 User Manual
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Technical Reference
43
Table 10 lists the component-side co
nnectors and headers identified in
Figure 9.
Table 10. Component-side Connectors and Headers Shown in
Figure 9
Item/callout
from
Figure 9
Descri
ption
A
PCI Conventional bus add-in card connector
B
Front panel audio header
C
S/PDIF connector
D
+12 V power connector (ATX12V)
E
GMCH fan header
F
Chassis fan header
G
Main power connector
H
Parallel ATA IDE connector
I
SATA connector
J
SATA connector
K
Front panel I/O header
L
Front panel USB header
M
Front panel USB header
42
44
Table of Contents
Default Chapter
2
Revision History
2
Intended Audience
3
What this Document Contains
3
Table of Contents
5
1 Product Description
9
Overview
9
Feature Summary
9
Table 1. Feature Summary
9
Board Layout
11
Figure 1. Major Board Components
11
Table 2. Board Components Shown in Figure 1
12
Block Diagram
13
Figure 2. Block Diagram
13
Legacy Considerations
14
Online Support
14
Processor
14
System Memory
15
Table 3. Supported Memory Configurations
15
Intel ® 945GC Chipset
16
Intel 945GC Graphics Subsystem
16
Configuration Modes
17
Usb
18
IDE Support
19
Serial Ata Interfaces
19
Real-Time Clock Subsystem
20
S-Video Output
21
Legacy I/O Controller
21
Serial Port
21
Parallel Port
21
Keyboard and Mouse Interface
22
1.10 Audio Subsystem
23
Table 4. Audio Jack Retasking Support
23
Audio Connectors and Headers
24
Audio Subsystem Software
24
Figure 3. Back Panel Audio Connectors
24
1.11 LAN Subsystem
25
LAN Subsystem Software
25
RJ-45 LAN Connector with Integrated Leds
26
Figure 4. LAN Connector LED Locations
26
Table 5. LAN Connector LED States
26
1.12 Hardware Management Subsystem
27
Hardware Monitoring
27
Thermal Monitoring
28
Figure 5. Thermal Sensors and Fan Headers
28
1.13 Power Management
29
Acpi
29
Table 6. Effects of Pressing the Power Switch
29
Table 7. Power States and Targeted System Power
30
Table 8. Wake-Up Devices and Events
31
Hardware Support
32
Fan Headers
33
Instantly Available Pc Technology
34
Wake from Usb
35
Energy Star
36
Figure 6. Location of the Standby Power Indicator LED
36
2 Technical Reference
37
Memory Map
37
Addressable Memory
37
Figure 7. Detailed System Memory Address Map
38
Table 9. System Memory Map
39
Connectors and Headers
40
Back Panel Connectors
41
Figure 8. Back Panel Connectors
41
Component-Side Connectors and Headers
42
Figure 9. Component-Side Connectors and Headers
42
Table 10. Component-Side Connectors and Headers Shown in Figure 9
43
Table 11. Front Panel Audio Header
44
Table 12. Serial ATA Connectors
44
Table 13. Rear Chassis (3-Pin) Fan Header
44
Table 14. GMCH (3-Pin) Fan Header
44
Table 15. S/PDIF Connector
44
Table 16. Main Power Connector
45
Table 17. ATX12V Power Connector
46
Figure 10. Connection Diagram for Front Panel Header
47
Table 18. Front Panel Header
47
Table 19. States for a One-Color Power LED
48
Table 20. States for a Two-Color Power LED
48
Figure 11. Connection Diagram for Front Panel USB Headers
49
Jumper Block
50
Figure 12. Location of the Jumper Block
50
Table 21. BIOS Setup Configuration Jumper Settings
50
Mechanical Considerations
51
Form Factor
51
Figure 13. Board Dimensions
51
Electrical Considerations
52
Power Supply Considerations
52
Fan Header Current Capability
52
Table 22. Recommended Power Supply Current Values
52
Table 23. Fan Header Current Capability
52
Add-In Board Considerations
53
Thermal Considerations
53
Figure 14. Localized High Temperature Zones
54
Table 24. Thermal Considerations for Components
54
Reliability
55
Environmental
55
Table 25. Intel Desktop Board D945GCLF2 Environmental Specifications
55
3 Overview of BIOS Features
57
Introduction
57
BIOS Flash Memory Organization
58
Resource Configuration
58
PCI* Autoconfiguration
58
Table 26. BIOS Setup Program Menu Bar
58
Table 27. BIOS Setup Program Function Keys
58
System Management BIOS (SMBIOS)
59
Legacy USB Support
60
BIOS Updates
61
Language Support
61
Custom Splash Screen
61
BIOS Recovery
62
Table 28. Acceptable Drives/Media Types for BIOS Recovery
62
Boot Options
63
CD-ROM Boot
63
Network Boot
63
Booting Without Attached Devices
63
Changing the Default Boot Device During POST
63
Table 29. Boot Device Menu Options
63
Adjusting Boot Speed
64
Peripheral Selection and Configuration
64
BIOS Boot Optimizations
64
3.10 BIOS Security Features
65
Table 30. Supervisor and User Password Functions
65
4 Error Messages and Beep Codes
67
BIOS Front-Panel Power LED Codes
67
Table 31. Front-Panel Power LED Blink Codes
67
BIOS Beep Codes
68
BIOS Error Messages
68
Table 32. Beep Codes
68
Table 33. BIOS Error Messages
68
Port 80H POST Codes
69
Table 34. Port 80H POST Code Ranges
69
Table 35. Port 80H POST Codes
70
Table 36. Typical Port 80H POST Sequence
73
5 Regulatory Compliance and Battery Disposal Information
75
Regulatory Compliance
75
Safety Standards
75
Table 37. Safety Standards
75
European Union Declaration of Conformity Statement
76
Product Ecology Statements
77
Table 38. Lead-Free Board Markings
80
EMC Regulations
81
Table 39. EMC Regulations
81
Product Certification Markings (Board Level)
82
Table 40. Product Certification Markings
82
Battery Disposal Information
83
4
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Intel D945GCLF2 Specifications
General
Brand
Intel
Model
D945GCLF2
Category
Motherboard
Language
English
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