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Intel D425KT

Intel D425KT
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Intel® Desktop Board D425KT and
Intel® Desktop Board D425KTW
Technical Product Specification
July 2013
Order Number: E98415-003
The Intel
®
Desktop Board D425KT and Intel
®
Desktop Board D425KTW 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 D425KT and Intel Desktop Board D425KTW
Specification Update.

Table of Contents

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Intel D425KT Specifications

General IconGeneral
Form FactorMini-ITX
CPUIntel Atom D425
Memory Slots1 x DDR3 SO-DIMM
Max Memory Supported4 GB
Memory SpeedDDR3 800 MHz
Integrated GraphicsIntel GMA 3150
USB Ports6 x USB 2.0
Video Output1 x VGA
ChipsetIntel NM10 Express
SATA Ports2
AudioHD Audio

Summary

Revision History

Board Identification Information

Specification Changes or Clarifications

Details specification changes and clarifications applied to the Intel Desktop Board D425KT/KTW.

Errata

Information on design defects or errors known as errata, documented in a separate Specification Update.

Preface

Intended Audience

Identifies the target audience for the Technical Product Specification (TPS).

What This Document Contains

Outlines the chapters and their respective descriptions within the document.

Typographical Conventions

Explains conventions used in the specification, including symbols and abbreviations.

Notes, Cautions, and Warnings

Defines symbols used for notes, cautions, and warnings to highlight important information or risks.

Other Common Notation

Product Description

Overview

General introduction to the Intel Desktop Board D425KT/KTW, including its purpose and scope.

Board Layout

Illustrates the physical arrangement of major components on the motherboard.

Block Diagram

Presents a functional block diagram of the board's major areas and interconnections.

Online Support

Lists web resources for obtaining product information, driver updates, and technical support.

Processor

Describes the Intel Atom processor, its cooling method, and integrated memory controller.

Intel D425 Graphics Subsystem

Details the features and capabilities of the integrated Intel Graphics Media Accelerator 3150.

System Memory

Specifies memory features, socket types, supported configurations, and speed limitations.

Intel NM10 Express Chipset

Explains the role of the NM10 Express Chipset as the board's I/O controller.

Real-Time Clock Subsystem

Explains the real-time clock and CMOS memory powered by a coin-cell battery.

Legacy IO Controller

Details the features of the legacy I/O controller, including ports and associated functions.

LAN Subsystem

Covers the LAN subsystem, including the Ethernet controller, connector, drivers, and LED status.

Audio Subsystem

Describes the Intel High Definition Audio subsystem, its features, software, and connectors.

Hardware Management Subsystem

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

Power Management

Details power management implementation, including ACPI, system states, and wake-up events.

Technical Reference

Memory Map

Details the system's addressable memory space and its schematic representation.

Connectors and Headers

Describes the board's connectors and headers, divided into back panel and component-side groups.

BIOS Configuration Jumper Block

Explains the function of the BIOS configuration jumper block for setting BIOS modes.

Mechanical Considerations

Covers mechanical aspects of the board, including form factor, dimensions, and chassis compatibility.

Electrical Considerations

Details electrical specifications related to fan headers and add-in board power.

Thermal Considerations

Provides guidelines and requirements for thermal management, heatsink design, and chassis airflow.

Power Consumption

Details power measurements for minimum and maximum load configurations, including test results.

Reliability

Explains Mean Time Between Failures (MTBF) prediction and provides the board's MTBF.

Environmental

Lists the environmental specifications for the board, including temperature, shock, and vibration.

Overview of BIOS Features

Introduction

Introduces the Intel BIOS, its storage, functions, and setup program access.

BIOS Flash Memory Organization

Details the organization and size of the BIOS Flash Memory (SPI Flash) device.

Resource Configuration

Explains how the BIOS automatically configures PCI devices and manages system resources.

System Management BIOS (SMBIOS)

Explains SMBIOS as a method for managing computers and the information it reports.

Legacy USB Support

Enables USB devices before operating system drivers are available, for setup and installation.

BIOS Updates

Details utilities for updating the BIOS and precautions to prevent incompatible BIOS installation.

BIOS Recovery

Lists acceptable drives/media types for BIOS recovery if an update is interrupted.

Custom Splash Screen

Allows augmenting the default Intel splash screen with a custom splash screen.

Boot Options

Allows users to choose boot devices like hard drive, optical drive, removable drive, or network.

BIOS Security Features

Includes security features like supervisor and user passwords to restrict BIOS Setup and boot access.

Board Status and Error Messages

BIOS Beep Codes

Lists BIOS beep codes used to signal status messages and recoverable errors during POST.

Front-panel Power LED Blink Codes

Describes front-panel power LED blink patterns that indicate recoverable errors during POST.

BIOS Error Messages

Lists BIOS error messages displayed during POST and provides a brief explanation for each.

Port 80 h POST Codes

Explains POST codes generated during POST and their use in diagnosing errors.

Regulatory Compliance and Battery Disposal Information

Regulatory Compliance

Provides information on safety standards, EU declaration, ecology statements, EMC standards, and certification marks.

Safety Standards

Lists safety standards that the board complies with when installed in a compatible host system.

European Union Declaration of Conformity Statement

Declares conformity with EU directives for CE marking, including EMC, Low Voltage, and RoHS.

Product Ecology Statements

Provides information on product ecology concerns, disposal, and recycling considerations.

EMC Regulations

States that the board complies with EMC regulations listed in Table 44.

FCC Declaration of Conformity

Details FCC compliance for the device, including conditions for operation and interference.

Canadian Department of Communications Compliance Statement

Confirms the digital apparatus does not exceed Class B limits for radio noise emissions in Canada.

Japan VCCI Statement

Provides the VCCI Class B statement for Japan, warning about potential radio interference.

Korea Class B Statement

States the Korea Class B statement, suitable for home use and residential areas.

e-Standby and ErP Compliance

Confirms compliance with e-Standby and ErP requirements, including EPEAT and EU directives.

Regulatory Compliance Marks (Board Level)

Shows and describes the regulatory compliance marks found on the board.

Battery Disposal Information

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