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