DFI BT253 User Manual
Page 3
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