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Intel DX79TO User Manual

Intel DX79TO
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Intel® Desktop Board
DX79TO
Technical Product Specification
June 2012
Order Number: G44010-003
The Intel
®
Desktop Board DX79TO 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 DX79TO Specification Update.

Table of Contents

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Intel DX79TO Specifications

General IconGeneral
Form FactorATX
ChipsetIntel X79
SocketLGA 2011
Memory TypeDDR3
Max Memory64GB
PCIe 2.0 x1 Slots2
PCI Slots1
SATA 6Gb/s2
SATA 3Gb/s4
USB 3.0 Ports2
LANIntel 82579V
Memory Slots8

Summary

Product Description

Overview

Provides a summary of the board's features, layout, block diagram, and technical specifications.

Legacy Considerations

Details differences from other Intel Desktop Board products, such as missing parallel and PS/2 ports.

Online Support

Lists Intel's website resources for product support, drivers, and configuration information.

Processor

Details processor support, wattage limits, and where to find the latest supported processor list.

System Memory

Describes memory support, including DDR3 DIMMs, channels, capacity, and configurations.

Intel X79 Express Chipset

Details the Intel X79 Express Chipset, its interfaces, and resources used by the chipset.

Real-Time Clock Subsystem

Explains the function of the coin-cell battery powering the real-time clock and CMOS memory.

Legacy I/O Controller

Describes the I/O controller features, including Consumer Infrared (CIR) and serial IRQ support.

Audio Subsystem

Details the Realtek ALC892 audio codec, jack support, and audio subsystem components.

LAN Subsystem

Covers the Intel 82579L Gigabit Ethernet Controller, LAN software, and RJ-45 connector LEDs.

Hardware Management Subsystem

Explains hardware management features like fan control, thermal/voltage monitoring, and chassis intrusion detection.

Power Management

Details power management implementation via ACPI, system states, and wake-up devices.

Board Status LEDs

Describes the board status LEDs used for monitoring BIOS POST progress and system functions.

Onboard Power and Reset Buttons

Explains the function and location of the onboard power and reset buttons.

Trusted Platform Module (TPM)

Details the Nuvoton WPCT210 TPM component for enhancing platform security.

Technical Reference

Memory Resources

Details addressable memory, memory map, and system address space allocation.

Connectors and Headers

Describes back panel and component-side connectors and headers, including I/O shield.

Jumper Block

Explains the function of the 3-pin jumper block for BIOS setup modes (normal, configure, recovery).

Mechanical Considerations

Details the board's form factor, dimensions, and compliance with ATX specifications.

Electrical Considerations

Covers power supply considerations, fan header current capability, and add-in board current.

Thermal Considerations

Discusses chassis airflow requirements, component temperature limits, and heat zones.

Reliability

Provides information on Mean Time Between Failures (MTBF) prediction.

Environmental

Lists environmental specifications including operating temperature, shock, and vibration.

Overview of BIOS Features

Introduction

Introduces the Intel BIOS, its storage, update methods, and access via F2 key.

BIOS Flash Memory Organization

Details the Serial Peripheral Interface Flash Memory (SPI Flash) device.

Resource Configuration

Explains PCI autoconfiguration for devices and resource allocation.

System Management BIOS (SMBIOS)

Describes SMBIOS for managing system information and components in a network.

Legacy USB Support

Enables USB device usage before OS USB drivers are available, for setup and OS installation.

BIOS Updates

Details utilities for updating the BIOS, including Intel Express and Flash Memory Update.

BIOS Recovery

Explains BIOS recovery procedures and acceptable media types for recovery.

Boot Options

Covers boot device selection, optical drive boot, network boot, and POST boot device menu.

Adjusting Boot Speed

Provides techniques for improving system boot speed and BIOS boot optimizations.

BIOS Security Features

Details supervisor and user passwords for restricting BIOS setup and computer boot access.

BIOS Performance Features

Lists BIOS options for custom performance enhancements like frequency and voltage adjustments.

Error Messages and Beep Codes

Speaker

Describes the board-mounted speaker for providing audible error code (beep code) information.

BIOS Beep Codes

Lists BIOS beep codes, their patterns, frequencies, and associated error types.

Front-panel Power LED Blink Codes

Details front-panel power LED blink codes, patterns, and their corresponding error messages.

BIOS Error Messages

Lists common BIOS error messages and provides brief explanations for each.

Port 80h POST Codes

Explains POST codes generated by the BIOS for diagnosing errors during the POST process.

Regulatory Compliance and Battery Disposal Information

Regulatory Compliance

Details safety standards, EU declarations, EMC regulations, and product ecology statements.

Battery Disposal Information

Provides safety warnings and instructions regarding battery replacement, recycling, and disposal.

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