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Intel DX79TO User Manual
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Product De
scripti
on
29
1.11.4
Therm
al Monitoring
Fi
gure
6
sh
ows the l
o
cati
ons
of the t
hermal
sen
sors and
fan h
eaders.
Item
Descripti
on
A
Rear chassis fan
header
B
Processor fan header
C
Thermal diode
, located
on pr
oces
sor
die
D
Fro
nt chassis
fan head
er
E
Intel
X79 Express Chipset
F
A
uxiliar
y fan he
ader
Figure 6
. Thermal Sen
sors and Fan Headers
28
30
Table of Contents
Default Chapter
2
Revision History
2
Intended Audience
5
What this Document Contains
5
Table of Contents
7
Tables
11
Product Description
11
Overview
11
Feature Summary
11
Board Layout
13
Figures
13
Major Board Components
13
Components Shown in Figure 1
14
Block Diagram
15
Legacy Considerations
16
Online Support
16
Processor
16
PCI Express X16 Graphics
17
System Memory
17
Supported Memory Configurations
18
Memory Configurations
19
Memory Channel and DIMM Configuration
20
Intel ® X79 Express Chipset
21
Usb
21
SATA Interfaces
21
Sata Raid
22
Legacy I/O Controller
23
Consumer Infrared (CIR)
23
Real-Time Clock Subsystem
23
Audio Jack Support
24
Audio Subsystem
24
Audio Subsystem Software
24
Audio Subsystem Components
24
Back Panel Audio Connectors
25
1.10 LAN Subsystem
26
Intel 82579L Gigabit Ethernet Controller
26
LAN Subsystem Software
27
RJ-45 LAN Connector with Integrated Leds
27
LAN Connector LED Locations
27
LAN Connector LED States
27
1.11 Hardware Management Subsystem
28
Hardware Monitoring and Fan Control
28
Fan Monitoring
28
Chassis Intrusion and Detection
28
Thermal Monitoring
29
Thermal Sensors and Fan Headers
29
1.12 Power Management
30
Acpi
30
Effects of Pressing the Power Switch
30
Power States and Targeted System Power
31
Wake-Up Devices and Events
32
Hardware Support
33
Fan Headers
34
Lan Wake Capabilities
34
Instantly Available Pc Technology
35
Wake from Usb
35
Wake from Consumer Ir
35
Power Supervisor
36
1.13 Board Status Leds
37
Location of Board Status Leds
37
Board Status Leds
38
1.14 Onboard Power and Reset Buttons
39
Location of the Onboard Power and Reset Buttons
39
Trusted Platform Module (TPM)
40
Technical Reference
41
Memory Resources
41
Addressable Memory
41
Detailed System Memory Address Map
42
Memory Map
43
Connectors and Headers
43
System Memory Map
43
Back Panel Connectors
44
I/O Shield Reference Diagram
45
Component-Side Connectors and Headers
46
Component-Side Connectors and Headers Shown in Figure 12
47
Front Panel Audio Header for Intel HD Audio
48
Front Panel Audio Header for AC '97 Audio
48
IEEE 1394A Header
49
SATA Connectors
49
USB 2.0 Headers
49
Chassis Intrusion Header
49
Processor, Front and Rear Chassis, and Auxiliary (4-Pin) Fan Headers
49
Back Panel CIR Emitter (Output) Header
50
Front Panel CIR Receiver (Input) Header
50
Processor Core Power Connector
51
Main Power Connector
51
Connection Diagram for Front Panel Header
52
Front Panel Header
52
States for a One-Color Power LED
53
States for a Two-Color Power LED
53
Connection Diagram for Front Panel USB 2.0 Headers
54
Jumper Block
55
Location of the Jumper Block
55
BIOS Setup Configuration Jumper Settings
56
Mechanical Considerations
57
Form Factor
57
Board Dimensions
57
Electrical Considerations
58
Power Supply Considerations
58
Recommended Power Supply Current Values
58
Fan Header Current Capability
59
Add-In Board Considerations
59
Thermal Considerations
60
Localized High Temperature Zones
61
Thermal Considerations for Components
61
Reliability
62
Environmental
62
Environmental Specifications
62
Overview of BIOS Features
63
Introduction
63
BIOS Flash Memory Organization
64
Resource Configuration
64
PCI Autoconfiguration
64
BIOS Setup Program Menu Bar
64
BIOS Setup Program Function Keys
64
System Management BIOS (SMBIOS)
65
Legacy USB Support
65
BIOS Updates
66
Language Support
66
Custom Splash Screen
67
BIOS Recovery
67
Acceptable Drives/Media Types for BIOS Recovery
67
Boot Options
68
Optical Drive Boot
68
Network Boot
68
Booting Without Attached Devices
68
Changing the Default Boot Device During POST
68
Boot Device Menu Options
68
Adjusting Boot Speed
69
Peripheral Selection and Configuration
69
BIOS Boot Optimizations
69
3.10 BIOS Security Features
70
Supervisor and User Password Functions
70
3.11 BIOS Performance Features
71
Error Messages and Beep Codes
73
Speaker
73
BIOS Beep Codes
73
Front-Panel Power LED Blink Codes
74
BIOS Error Messages
74
Port 80H POST Codes
75
Port 80H POST Code Ranges
75
Port 80H POST Codes
76
Typical Port 80H POST Sequence
80
Regulatory Compliance and Battery Disposal Information
81
Regulatory Compliance
81
Safety Standards
81
European Union Declaration of Conformity Statement
82
Product Ecology Statements
83
EMC Regulations
85
ENERGY STAR* 5.0, E-Standby, and Erp Compliance
88
Regulatory Compliance Marks (Board Level)
89
Regulatory Compliance Marks
89
Battery Disposal Information
90
4
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Intel DX79TO Specifications
General
Brand
Intel
Model
DX79TO
Category
Motherboard
Language
English
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