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D975XBX
Intel D975XBX User Manual
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Intel Desktop Board D975XBX T
echnical Product Specification
48
Upper BIOS
area (64 KB)
Lower BIOS
area
(64 KB;
16 KB x 4)
Add-in Card
BIOS and
Buffer area
(128 KB;
16 KB x 8)
Standard PCI
/
ISA Video
Memory (SMM
Memory)
128 KB
DOS area
(640 KB)
1 MB
960 KB
896 KB
768 KB
640 KB
0 KB
0FFFFFH
0F0000
H
0EFFFFH
0E0000H
0DFFFFH
0C0000H
0BFFFFH
0A0000H
09FFFFH
00000H
FLASH
APIC
Reserved
0 MB
640 KB
1 MB
Top of usab
le
DRAM (memory
visible to the
operatin
g
system)
PCI Memory Range -
contains PC
I, chipsets,
Direct Media Interface
(DMI), and
ICH ranges
(approximatel
y 750 MB)
DOS
Compatibilit
y
Memor
y
DRAM
Range
OM17801
~20 MB
8 GB
Top of System Ad
dress Space
Upper
4 GB of
address
space
Figure 16. Detailed System Memory
Address Map
47
49
Table of Contents
Default Chapter
2
Revision History
2
Intended Audience
3
What this Document Contains
3
Table of Contents
5
Tables
10
1 Product Description
10
Legacy I/O Controller
10
Manufacturing Options
11
Overview
10
Feature Summary
10
Audio Subsystem
11
Board Layout
12
Desktop Board Components
12
Components Shown in Figure 1
13
Block Diagram
14
Figures
12
IEEE-1394A Connectors (Optional)
14
Intel 975X Chipset
14
Online Support
15
Processor
15
System Memory
16
Supported Memory Configurations
16
Memory Configurations
17
Memory Channel and DIMM Configuration
17
Dual Channel (Interleaved) Mode Configuration with Two Dimms
18
Dual Channel (Interleaved) Mode Configuration with Three Dimms
18
Dual Channel (Interleaved) Mode Configuration with Four Dimms
19
Single Channel (Asymmetric) Mode Configuration with One DIMM
20
Single Channel (Asymmetric) Mode Configuration with Three Dimms
20
Intel 975X Chipset
21
Usb
21
IDE Support
22
SCSI Hard Drive Activity LED Connector (Optional)
23
Serial Ata Raid
23
Real-Time Clock, CMOS SRAM, and Battery
24
Discrete Serial ATA Interface (Optional)
28
PCI Express Connectors
28
IEEE-1394A Connectors (Optional)
29
Legacy I/O Controller
30
Serial Port
30
Parallel Port
30
Diskette Drive Controller
30
Keyboard and Mouse Interface
30
Audio Subsystem
31
Audio Subsystem Software
31
Audio Connectors
31
8-Channel (7.1) Audio Subsystem
32
Front/Back Panel Audio Connector Options for 8-Channel (7.1) Audio Subsystem
32
Channel (7.1) Audio Subsystem Block Diagram
33
6-Channel (5.1) Audio Subsystem
34
Front/Back Panel Audio Connector Options for 6-Channel (5.1) Audio Subsystem
34
LAN Subsystem
35
Intel ® 82573E/82573L Gigabit Ethernet Controller
35
LAN Connector with Integrated Leds
35
LAN Connector LED Locations
35
LAN Connector LED States
35
Alert Standard Format (ASF) Support
36
Intel Active Management Technology (Intel AMT) (Optional)
36
LAN Subsystem
36
LAN Subsystem Software
38
Hardware Management Subsystem
38
Hardware Monitoring and Fan Control ASIC
38
Thermal Monitoring
39
Sensors and Fan Connectors
39
Fan Monitoring
40
Chassis Intrusion and Detection
40
Power Management
40
Acpi
40
Effects of Pressing the Power Switch
41
Power States and Targeted System Power
42
Hardware Support
43
Wake-Up Devices and Events
43
Power Connector
44
Fan Connectors
44
Lan Wake Capabilities
44
Instantly Available Pc Technology
45
Resume on Ring
45
Wake from Usb
45
Trusted Platform Module (Optional)
46
Location of the Standby Power Indicator LED
46
Technical Reference
47
Memory Resources
47
Addressable Memory
47
Detailed System Memory Address Map
48
Memory Map
49
DMA Channels
49
System Memory Map
49
System Memory
49
Fixed I/O Map
50
PCI Configuration Space Map
51
Interrupts
52
PCI Conventional Interrupt Routing Map
53
PCI Interrupt Routing Map
54
Connectors
55
Back Panel Connectors
55
Back Panel Connectors for 8-Channel (7.1) Audio Subsystem
56
Back Panel Connectors for 6-Channel (5.1) Audio Subsystem
57
Component-Side Connectors
58
D975XBX Component-Side Connectors
58
Component-Side Connectors Shown in Figure 19
59
ATAPI CD-ROM Connector (Optional)
60
Front Panel Audio Connector
60
Front Chassis Fan and Rear Chassis Fan Connectors
60
Processor Fan Connector and Auxiliary Rear Fan Connector
60
Chassis Intrusion Connector
61
Serial ATA Connectors
61
Power Supply Connectors
62
Main Power Connector
63
Processor Power Connector (2 X 4 Pin)
63
Auxiliary PCI Express Graphics Power
63
Auxiliary Front Panel Power/Sleep LED Connector
64
Connection Diagram for Front Panel Connector
65
Front Panel Connector
65
States for a One-Color Power LED
66
States for a Two-Color Power LED
66
Connection Diagram for Front Panel USB Connectors
67
Connection Diagram for Front Panel IEEE 1394A Connector
68
Jumper Block
69
Location of the Jumper Block
69
BIOS Setup Configuration Jumper Settings
69
Mechanical Considerations
70
Form Factor
70
Board Dimensions
70
I/O Shield
71
I/O Shield Dimensions for Boards with the 8-Channel (7.1) Audio Subsystem
71
I/O Shield Dimensions for Boards with the 6-Channel (5.1) Audio Subsystem
72
Electrical Considerations
73
DC Loading
73
Add-In Board Considerations
73
DC Loading Characteristics
73
Fan Connector Current Capability
74
Power Supply Considerations
74
Thermal Considerations
75
Example of a Processor Heatsink for Omni-Directional Airflow
75
Localized High Temperature Zones
76
Reliability
77
Thermal Considerations for Components
77
Environmental
78
Environmental Specifications
78
Regulatory Compliance
79
Safety Regulations
79
European Union Declaration of Conformity Statement
79
Product Ecology Statements
81
Lead Free Desktop Board
83
EMC Regulations
84
Product Certification Markings (Board Level)
86
Product Certification Markings
86
Overview of BIOS Features
87
Introduction
87
Resource Configuration
88
PCI Autoconfiguration
88
PCI IDE Support
88
BIOS Setup Program Menu Bar
88
BIOS Setup Program Function Keys
88
System Management BIOS (SMBIOS)
89
Legacy USB Support
89
BIOS Updates
90
Language Support
90
Custom Splash Screen
90
Boot Options
91
CD-ROM Boot
91
Network Boot
91
Booting Without Attached Devices
91
Changing the Default Boot Device During POST
91
Boot Device Menu Options
91
BIOS Security Features
92
Supervisor and User Password Functions
92
Error Messages and Beep Codes
93
Speaker
93
BIOS Beep Codes
93
BIOS Error Messages
93
Beep Codes
93
Port 80H POST Codes
94
Port 80H POST Code Ranges
94
Port 80H POST Codes
95
Typical Port 80H POST Sequence
98
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Intel D975XBX Specifications
General
Brand
Intel
Model
D975XBX
Category
Computer Hardware
Language
English
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