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DFI BT253 User Manual

Page 3

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3

Copyright

.............................................................................................................2

Trademarks

........................................................................................................2

FCC and DOC Statement on Class B

.....................................................2

About this Manual

..........................................................................................4

Warranty

............................................................................................................4

Static Electricity Precautions

......................................................................4

Safety Measures

..............................................................................................4

About the Package

.........................................................................................5

Chapter 1 - Introduction

.............................................................................6

Specifications

................................................................................................6

Features

........................................................................................................7

Chapter 2 - Hardware Installation

................................................ 9

Board Layout

.................................................................................................9

Block Diagram

............................................................................................. 10

Mechanical Diagram

.................................................................................. 10

System Memory

.......................................................................................... 11

Jumper Settings

......................................................................................... 12

Clear CMOS Data ........................................................................................ 12
Auto Power-on Select .................................................................................. 12
USB Power Select ....................................................................................... 13
Panel Power Select ..................................................................................... 13
Backlight Enable Power Select ..................................................................... 14
Dimming Mode Select ................................................................................. 14
Digital I/O Power Select .............................................................................. 15
Digital I/O Output State .............................................................................. 15
LCD/Inverter Power Select .......................................................................... 16
COM 4/DIO Select ...................................................................................... 16

Front Panel I/O Ports

................................................................................ 17

Rear Panel I/O Ports

................................................................................. 17

USB Ports ................................................................................................... 18
COM (Serial) Ports ...................................................................................... 19
Graphics Interdaces .................................................................................... 20
9~36V DC-in .............................................................................................. 21

RJ45 LAN Ports ........................................................................................... 21

I/O Connectors

........................................................................................... 22

Serial ATA Connector .................................................................................. 22
Serial ATA Power Connector ........................................................................ 22
Cooling Fan Connector ................................................................................ 22
LVDS LCD Panel with Power Connector ........................................................ 23
Mic-in Connector......................................................................................... 24
Chassis Intrusion Connector ........................................................................ 24
Expansion Slots .......................................................................................... 25
Standby Power LED .................................................................................... 25
Battery ....................................................................................................... 26

Chapter 3 - BIOS Setup

................................................................27

Overview

..................................................................................................... 27

AMI BIOS Setup Utility

............................................................................. 28

Main .......................................................................................................... 28
Advanced ................................................................................................... 28
Chipset ...................................................................................................... 38
Security ...................................................................................................... 42
Boot........................................................................................................... 43
Save & Exit ................................................................................................ 43

Updating the BIOS

.................................................................................... 44

Notice: BIOS SPI ROM

............................................................................. 44

Chapter 4 - Supported Software

........................................................... 45

Chapter 5 - Digital I/O Programming Guide

.................................... 57

Appendix A - Watchdog Sample Code

................................................ 59

Appendix B - System Error Message

................................................... 60

Appendix C - Troubleshooting

................................................................ 61

Table of Contents