1st Ed January
Mini-ITX AIMB-250 Series
 AIMB-250 Series
FCC Statement
Copyright Notice
Trademark Acknowledgement
 User’s Manual
Disclaimer
Life Support Policy
Message to the Customer
 Advantech Corp
Technical Support
 Product Warranty
 Contents
 Bios Setup
 Offending Address not Found
Keyboard Error or no Keyboard Present
Memory Size has Changed Since Last Boot
System HALTED, CTRL-ALT-DEL to Reboot
 Hard Disks fail → Unable to recalibrate fixed disk
 Packing List
Safety Precautions
 Document Amendment History
Revision Date Comment
Jan Initial release
 Manual Objectives
 System
System Specifications
 Display
 Mechanical & Environmental
 Architecture Overview
Block Diagram
 User’s Manual Intel 855GME and ICH4
 AIMB-250 Series
 ECC
 PCI Interface
Dram Interface Intel 855GME
 VIA VT1616 Audio Codec
8 USB
 AIMB-250 Series Chrontel CH7009A TV/DVI Transmitter
Page
 Compact Flash Interface
AIMB-250 Series Winbond W83627HF
 Hardware Configuration
 Product Overview
 Processor Installation Installing Pentium M CPU
Installation Procedure
 Removing CPU
Installing the Fan and Heat Sink
 DIMM1
User’s Manual Main Memory
 AIMB-250 Series
 Jumper and Connector List
Label Function
JP2, JP3
 Connectors
 KBMS1
 Setting Jumpers & Connectors
2 COM1 Pin 9 Signal Select JP1 +5V Ring +12V
Clear Cmos JBAT1 Protect
 RS-485 RS-485
RS-422 RS-422
 Pwrok GND
ATX Power Connector ATXPWR1
BIT1 BIT2 OFF
Vccsb
 User’s Manual CPU Fan Connector CFAN1
Signal Description CPU Fan Connector CFAN1
TAC
 RED GND Green DAT Blue Hsync VCC Vsync DCK
AIMB-250 Series Parallel Port Connector & VGA Connector CN1
Signal Description VGA Connector CN1
COM
 DTR
Serial Port 1 Connector in RS-232 Mode CN1
DCD
DTR GND DSR RTS CTS
 AIMB-250 Series Serial Port 1 Connector in RS-422 Mode CN1
 Data DATA+ GND
Serial Port 1 Connector in RS-485 Mode CN1
 AIMB-250 Series Audio Connector CN2 Audio-In
12 RJ-45 Ethernet / USB 0 & 1, 4 & 5 Connectors CN3, CN4
13 4/5/8-Wire Touch Screen Connector CN5, optional
 GND WPT Rdata SIDE1 Dskchg
User’s Manual Floppy Connector FLP1
 Moatsa
AIMB-250 Series Signal Description Floppy Connector FLP
 User’s Manual Primary IDE Connector IDE1
 AIMB-250 Series Secondary IDE Connector IDE2
 Iordy
RESET#
IOR#
IOW#
 AIMB-250 Series LCD Inverter Connector JBKL1
Signal Description LCD Inverter Connector JBKL1
GND Enbkl
 User’s Manual CD-ROM Audio Input Connector JCD1
Signal Description CD-ROM Audio Input Connector JCD1
Serial Port 2 Connector JCOM1
 JCOM2 JCOM3
AIMB-250 Series Serial Port 3/4 Connector JCOM2, JCOM3
 Smbdata
Digital Input / Output Connector JDIO1
Signal Description Digital Input / Output Connector JDIO1
Smbclk
 AIMB-250 Series Front Panel Connector JFP1
Signal Description Front Panel Connecter JFP1
HDD LED
 Irrx
User’s Manual IrDA Connector JIR1
Signal Description IrDA Connecter JIR1
Irrx GND Irtx
 2CDAT, I 2CCLK
AIMB-250 Series Lvds Connector JLVDS1
Signal Description Lvds Connector JLVDS1
2CDAT 2CCLK GND
 #MASTER
User’s Manual Miscellaneous Setting Connector JMISC1
Signal Description Miscellaneous Setting Connecter JMISC1
CASEOPEN# VTIN3 GND Thrmdn
 Signal Description Tmds Connecter JTMDS1
AIMB-250 Series Tmds DVI Connector JTMDS1
 Tvcvb
User’s Manual TV Out Connector JTV1
Signal Description TV Out Connecter JTV1
Tvcvb GND TVYFCC2 TVCFCC2
 AIMB-250 Series USB Connector 2 & 3 JUSB1
USB Connector 4 & 5 JUSB2
Signal Description USB Connecter 2, 3, 4 & 5 JUSB1, JUSB2
 Signal Description System Fan Connector SFAN1, SFAN2
System Fan Connector 1 & 2 SFAN1, SFAN2
 Bios Setup
 Starting Setup
Press DEL to enter Setup
Press F1 to Continue, DEL to enter Setup
 Navigating Through The Menu Bar
Using Setup
 Case of Problems
Getting Help
User’s Manual To Display a Sub Menu
 Main Menu
 Main Menu Selection
User’s Manual Standard Cmos Features
 IDE Adapter Setup
 Virus Warning
User’s Manual Advanced Bios Features
CPU Feature
Quick Power On Self Test
 Swap Floppy Drive
AIMB-250 Series First/Second/Third/Other Boot Device
Boot Up NumLock Status Select power on state for NumLock
Typematic Rate Setting
 Report No FDD For WIN95
Apic Mode
MPS Version Control For OS
OS Select for Dram 64MB
 CAS Latency Time
AIMB-250 Series Advanced Chipset Features
Active to Precharge Delay
Dram Timing Selectable
 Video Bios Cacheable
User’s Manual Dram RAS# to CAS# Delay
Dram Data Integrity Mode
System Bios Cacheable
 AGP Aperture Size MB
Delayed Transaction
Delay Prior to Thermal
AIMB-250 Series Memory Hole At 15M-16M
 OnChip IDE Device
User’s Manual Integrated Peripherals
 IDE
Onboard Device
 User’s Manual Super IO Device
 IRQ3, IRQ4, IRQ5
Watch Dog Timer
2E8/IRQ3, Auto
ECP+EPP
 Acpi Suspend Type
User’s Manual Power Management Setup
Power Management
Acpi Function
 Soft-Off by PWR-BTTN
Power On By Ring
Resume By Alarm
AIMB-250 Series Modem Use IRQ
 PCI / VGA Palette Snoop
User’s Manual PnP / PCI Configuration
Reset Configuration Data
Resources Controlled By
 Case Open Warning
AIMB-250 Series PC Health Status
 CPU Host / 3V66 / PCI Clock
User’s Manual Frequency / Voltage Control
Auto Detect PCI Clk
Spread Spectrum
 Load Optimized Defaults
AIMB-250 Series Load Fail-Safe Defaults
 User’s Manual Set Supervisor / User Password
 Save & Exit Setup
Password Disabled
 User’s Manual Exit Without Save
 Drivers Installation
 Install Driver
Step
User’s Manual Click AIMB-250
 Mechanical Drawing
 Unit mm
 Award Bios Post
 Error Messages
Overview
Post Beep
 Eisa Configuration Is Not Complete
Eisa Configuration Checksum Error
 Memory Verify Error at
User’s Manual Invalid Eisa Configuration
Memory Address Error at
Memory parity Error at
 Should Be Empty But Eisa Board Found
Should Have Eisa Board But Not Found
Slot Not Empty
 Manufacturing Post loop
Keyboard error or no keyboard present
Bios ROM checksum error System halted
User’s Manual Wrong Board In Slot
 AIMB-250 Series Post Codes
40.1Normal Post Code
E1-EF
 User’s Manual
 AIMB-250 Series
 User’s Manual
 AIMB-250 Series
 AIMB-250 User’s Manual101
 AIMB-250 Series 40.2Quick Post Codes
 AIMB-250 User’s Manual103
 SMI
AIMB-250 Series 40.3S4 Post Codes
 40.4BootBlock Post Codes