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Intel Thin Mini-ITX

Intel Thin Mini-ITX
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Thin Mini-ITX Based PC
System Design Guide
All In One, Tiny PC
December 2012
Revision 1.2

Table of Contents

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Intel Thin Mini-ITX Specifications

General IconGeneral
Form FactorThin Mini-ITX
Dimensions170mm x 170mm
LANGigabit Ethernet
Power Input19V DC
ChipsetIntel H110
Memory TypeDDR4
Memory Slots2
Max Memory32GB
StorageM.2, SATA
Expansion SlotsM.2
USB PortsUSB 3.0, USB 2.0
Video OutputsHDMI, DisplayPort
AudioRealtek ALC codec

Summary

Introduction

Purpose and Scope of the Design Guide

Defines the document's objective and the scope of system design guidance for Thin Mini-ITX.

Overview of Thin Mini-ITX Systems

Introduces the Thin Mini-ITX form factor and its common applications.

All In One PC System Design

Details the business model and common features of All-In-One PCs.

Tiny PC System Design

Describes the 'Tiny PC' category and its specific characteristics.

Terminology and Definitions

Defines key terms used throughout the design guide for clarity.

Reference Documents and Standards

Lists relevant industry standards and specifications for further consultation.

Thin Mini-ITX Internal Electrical Interfaces

Common Internal Connector List

Outlines standardized internal motherboard connectors for chassis interchangeability.

Flat Panel Display Interfaces

Covers interface requirements for flat panel displays, including LVDS and eDP.

LVDS Flat Panel Display Connector

Specifies the 40-pin LVDS connector for flat panel display and backlight connectivity.

eDP (VESA Embedded Display Port) Interface

Details the optional eDP interface for higher resolutions and advanced features.

Flat Panel Display Brightness Control

Defines the 8-pin connector for backlight control and brightness adjustment.

On Screen Display (OSD) Functionality

Discusses BIOS support for display brightness control and status display.

Audio Interfaces

Covers audio interfaces for front panel and internal speakers.

Front Panel Audio Header

Specifies pinouts for AC'97 and HD Audio front panel connectors.

Internal Stereo Speakers Header

Defines the header for connecting internal stereo speakers to the motherboard.

Digital Microphone Header

Outlines the pinout and header for digital microphone support.

SATA Storage Connectivity

Recommends SATA data/power connectors for storage device connectivity.

Internal USB Connectivity

Details internal USB headers for connecting devices like webcams and card readers.

Front Panel Dual USB 2.0 Header

Specifies the 2x5 header for front panel dual USB 2.0 ports.

Internal Dual USB 2.0 Header

Defines the 2x5 header for internal dual USB 2.0 ports.

Internal Single USB 2.0 Header

Specifies the 1x5 header for internal single USB 2.0 ports.

Internal USB 3.0 Header Specification

Details the 2x10 header for internal USB 3.0 ports.

Internal USB 3.0 Header Orientation

Standardizes USB 3.0 header orientation for low-profile AIO applications.

Front Panel Buttons and LEDs

Covers front panel connectors for power, reset switches, and status LEDs.

Internal Power Input Connector

Specifies the connector for 19V internal power input.

Fan Headers for Cooling

Details fan headers for CPU and system cooling.

CPU Fan Header

Defines the 4-pin CPU fan header, including color and current rating.

System Fan Header

Covers 3-pin or 4-pin system fan headers and their color coding.

Consumer Infrared Receiver

Optional connector for consumer IR receiver functionality.

Wireless Bluetooth Integration

Options for integrating Bluetooth functionality via USB or mini PCIe.

Monitor Switch Header

Header for controlling display backlight and optional functions.

Power Supply Requirements

External AC Adapter Specifications

Discusses AC adapter power ratings for various system configurations.

External Power Connector for CPU Systems

Specifies the 19V DC power connector for socketed CPU systems.

Thermals and Acoustics

General Thermal-Acoustics Considerations

Addresses challenges in cooling thin chassis and general recommendations.

Blower Design and Airflow

Discusses blower selection, placement, and airflow optimization for cooling.

Fan Speed Control and CPU Throttling

Explains CPU throttling mechanisms and fan speed control for thermal management.

Vent Free Area Ratio (FAR)

Defines Free Area Ratio and its impact on airflow and EMI performance.

Dust Considerations for System Reliability

Addresses dust accumulation and mitigation strategies for reliable operation.

Environmental and Skin Temperature Limits

Provides guidelines for safe operating temperatures for users and components.

Motherboard Component Cooling Strategies

Covers cooling strategies for key motherboard components.

Memory Cooling Requirements

Discusses airflow considerations for SO-DIMM memory modules.

Platform Controller Hub (PCH) Cooling

Addresses cooling requirements for the PCH for optimal performance.

Voltage Regulator Cooling

Details strategies for cooling voltage regulator components to prevent throttling.

System Acoustics and Noise Levels

Outlines acoustic noise level targets and measurement standards for system quietness.

Mechanical Design Considerations

CPU Mechanical Specifications

Specifies CPU heat sink retention hole patterns and keep-in zones for compatibility.

Internal Motherboard Header Locations

Recommends standardized locations for internal motherboard headers for easier integration.

System Cables and Connectors

Covers cable routing and mating connectors within the volumetric envelope.

System Cable Kitting Guidelines

Details cables that should ship with the chassis or motherboard for connectivity.

CPU Thermal Solution and Fan Interface

Addresses mechanical requirements for thermal solutions and fan mounting.

Thin Mini-ITX IO Shield Example

Provides an example of a Thin Mini-ITX I/O shield for chassis integration.

Industrial Design and Usability

Covers aspects of system design for ease of integration and serviceability.

AIO Specific System Mechanicals

Discusses mechanical considerations specific to All-In-One systems for optimal design.

Low Profile Reference Heat Pipe Thermal Solution

General Volumetrics and Requirements

Defines chassis requirements for compatibility with the reference thermal solution.

Reference Design CPU Thermal Solution

Introduces Intel's HTS1155LP reference thermal solution for CPU cooling.

Reference System Layouts

Thin Mini ITX Based System Design Layouts

Discusses component layouts for All-In-One and Tiny PC systems.

General System Design Considerations

Provides guidance on airflow, component placement, and thermal management strategies.

Reference Core Components Layouts

Presents example layouts for CPU systems with reference thermal solutions.

Thermal Test Method

Describes Intel's method for validating system thermal performance.

Components Used for Thermal Testing

Lists the specific hardware and software used in thermal testing for consistency.

Stress Software for Thermal Analysis

Details the software used for CPU and memory thermal stress testing.

Temperature Measurement Locations

Specifies where temperature sensors are placed during thermal testing for accurate data.

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