Intel A300 User Manual
A300 Motherboard
A300 Motherboard
Page i
A300 Motherboard
Revision
MODEL A300 Intel® Pentium® M/Celeron® M Motherboard
Revision Number Description Date of Issue
1.0 Initial release March 2007
Page ii
A300 Motherboard
COPYRIGHT NOTICE
The information in this document is subject to change without prior notice in order to
improve reliability, design and function and does not represent a commitment on the part
of the manufacturer.
In no event will the manufacturer be liable for direct, indirect, special, incidental, or
consequential damages arising out of the use or inability to use the product or
documentation, even if advised of the possibility of such damages.
Copyright
This document contains proprietary information protected by copyright. All rights are
reserved. No part of this manual may be reproduced by any mechanical, electronic, or
other means in any form without prior written permission of the manufacturer.
TRADEMARKS
IBM PC is a registered trademark of International Business Machines Corporation. INTEL
is a registered trademark of INTEL Corporation. Other product names mentioned herein
are used for identification purposes only and may be trademarks and/or registered
trademarks of their respective owners.
Page iii
A300 Motherboard
Packing List
NOTE:
If any of the components listed in the checklist below are missing,
please do not proceed with the installation. Contact the IEI reseller or
vendor you purchased the A300 from or contact an IEI sales
representative directly. To contact an IEI sales representative, please
send an email to
The items listed below should all be included in the A300 package.
1 x A300 single board computer
1 x IDE flat cable 44p/40p/40p
1 x IDE flat cable 44p/44p
2 x Single port RS-232 cable
1 x RS-232/422/485 cable
1 x Mini jumper pack
1 x Utility CD
1 x QIG (quick installation guide)
Images of the above items are shown in Chapter 3.
sales@iei.com.tw.
Page iv
A300 Motherboard
Table of Contents
1 INTRODUCTION..................................................................................................... 2
1.1 A300 OVERVIEW........................................................................................................ 3
1.1.1 A300 Applications..............................................................................................3
1.1.2 A300 Benefits ..................................................................................................... 4
1.1.3 A300 Features.................................................................................................... 4
1.2 A300 BOARD OVERVIEW...........................................................................................5
1.2.1 A300 Connectors................................................................................................ 6
1.2.2 Technical Specifications..................................................................................... 7
2 DETAILED SPECIFICATIONS........................................................................... 10
2.1 OVERVIEW ................................................................................................................11
2.2 DIMENSIONS .............................................................................................................11
2.2.1 Board Dimensions.............................................................................................11
2.2.2 External Interface Panel Dimensions.............................................................. 12
2.3 DATA FLOW.............................................................................................................. 12
2.4 COMPATIBLE PROCESSOR ......................................................................................... 13
2.4.1 CPU Overview................................................................................................. 13
2.4.2 Supported Processors ...................................................................................... 13
2.5 INTEL® 855GME CHIPSET GRAPHICS MEMORY CONTROLLER HUB ........................ 14
®
2.5.1 Intel
2.5.2 Intel® 855GME Memory Support .................................................................... 14
2.5.3 Intel® 855GME Internal Graphics Controller................................................. 14
2.5.4 Intel® 855GME Power Management............................................................... 16
2.6 INTEL® 82801DB I/O CONTROLLER HUB (ICH4).................................................... 16
2.6.1 Intel
2.6.2 Intel® ICH4 IDE Interface............................................................................... 17
2.6.3 Intel® ICH4 Compact Flash Interface............................................................. 17
855GME Overview ................................................................................ 14
®
ICH4 Overview...................................................................................... 16
2.6.4 Intel® ICH4 Audio Codec 97 (AC’97) Controller............................................ 17
2.6.5 Intel® ICH4 USB Controller............................................................................ 18
2.6.6 Intel® ICH4 PCI Interface ............................................................................... 18
2.6.7 Intel® ICH4 Low Pin Count (LPC) Interface................................................... 18
Page v
A300 Motherboard
2.6.8 BIOS................................................................................................................. 19
2.7 PCI BUS COMPONENTS............................................................................................ 19
2.7.1 PCI Bus Overview............................................................................................ 19
2.7.2 GbE Ethernet ................................................................................................... 19
2.7.3 PCMCIA Slot.................................................................................................... 20
2.8 LPC BUS COMPONENTS........................................................................................... 20
2.8.1 LPC Bus Overview........................................................................................... 20
2.8.2 BIOS Chipset.................................................................................................... 20
2.8.3 Super I/O Chipset............................................................................................. 21
2.8.3.1 Super I/O 16C550 UARTs ........................................................................ 21
2.8.3.2 Super I/O Enhanced Hardware Monitor................................................... 22
2.8.3.3 Super I/O Fan Speed Controller................................................................ 22
2.8.3.4 Super I/O Keyboard Controller................................................................. 22
2.8.4 LPC I/O Chipset............................................................................................... 22
2.9 ENVIRONMENTAL AND POWER SPECIFICATIONS ....................................................... 22
2.9.1 System Monitoring........................................................................................... 22
2.9.2 Operating Temperature and Temperature Control........................................... 23
2.9.3 Power Consumption......................................................................................... 23
3 UNPACKING.......................................................................................................... 24
3.1 ANTI-STATIC PRECAUTIONS...................................................................................... 25
3.2 UNPACKING.............................................................................................................. 25
3.2.1 Unpacking Precautions.................................................................................... 25
3.3 UNPACKING CHECKLIST........................................................................................... 26
3.3.1 Package Contents............................................................................................. 26
4 CONNECTOR PINOUTS...................................................................................... 28
4.1 PERIPHERAL INTERFACE CONNECTORS .................................................................... 29
4.1.1 A300 Layout..................................................................................................... 29
4.1.2 Peripheral Interface Connectors ..................................................................... 30
4.1.3 External Interface Panel Connectors............................................................... 32
Page vi
4.2 INTERNAL PERIPHERAL CONNECTORS...................................................................... 32
4.2.1 ATX Power Connector ..................................................................................... 32
4.2.2 Audio Connector .............................................................................................. 33
4.2.3 Compact Flash Socket...................................................................................... 34
A300 Motherboard
4.2.4 Fan Connectors................................................................................................ 36
4.2.5 Front Panel Connector.................................................................................... 37
4.2.6 GPIO Connector.............................................................................................. 38
4.2.7 IDE Connector................................................................................................. 39
4.2.8 Inverter Power Connector ............................................................................... 40
4.2.9 IrDA Infrared Interface Connector.................................................................. 41
4.2.10 LED Connector.............................................................................................. 42
4.2.11 Power Button Connector................................................................................ 43
4.2.12 Serial Port Connector (RS-422/485) ............................................................. 44
4.2.13 Serial Port Connector (RS-232)..................................................................... 45
4.2.14 System Panel Connector................................................................................ 47
4.2.15 TFT LCD LVDS Connector............................................................................ 48
4.2.16 Internal USB Connectors (8-Pin) .................................................................. 50
4.2.17 Internal USB Connectors (5-Pin) .................................................................. 51
4.3 EXTERNAL PERIPHERAL INTERFACE CONNECTORS .................................................. 52
4.3.1 External Peripheral Interface Connector Overview........................................ 52
4.3.2 Audio Connectors............................................................................................. 52
4.3.3 DVI-I Connector .............................................................................................. 53
4.3.4 RJ-45 Ethernet Connector ............................................................................... 54
4.3.5 Keyboard/Mouse Connector............................................................................ 55
4.3.6 Serial Port Connector (COM 1) ...................................................................... 56
4.3.7 Serial Port Connectors (COM 2 and COM3).................................................. 57
4.3.8 USB Combo Ports............................................................................................ 58
4.3.9 VGA Connector................................................................................................ 58
5 INSTALLATION .................................................................................................... 60
5.1 ANTI-STATIC PRECAUTIONS...................................................................................... 61
5.2 INSTALLATION CONSIDERATIONS ............................................................................. 62
5.2.1 Installation Notices.......................................................................................... 62
5.2.2 Installation Checklist....................................................................................... 63
5.3 CPU AND CPU COOLING KIT INSTALLATION........................................................... 64
5.3.1 Socket 479 CPU Installation............................................................................ 64
5.3.2 Cooling Kit CF-479B-RS Installation.............................................................. 66
5.4 DIMM MODULE INST ALLATION AND CF CARD INSTALLATION ............................... 68
5.4.1 DIMM Module Installation.............................................................................. 68
Page vii
A300 Motherboard
5.4.2 CF Card Installation........................................................................................ 69
5.5 JUMPER SETTINGS.................................................................................................... 70
5.5.1 CF Card Setup Jumper Settings....................................................................... 71
5.5.2 Clear CMOS Jumper........................................................................................ 72
5.5.3 COM Port Setting Jumper ............................................................................... 73
5.5.4 LCD Voltage Selection ..................................................................................... 75
5.5.5 LCD Rotation Jumper...................................................................................... 76
5.6 CHASSIS INSTALLATION ........................................................................................... 77
5.6.1 Airflow.............................................................................................................. 77
5.6.2 Motherboard Installation................................................................................. 78
5.7 INTERNAL PERIPHERAL DEVICE CONNECTIONS........................................................ 78
5.7.1 Peripheral Device Cables................................................................................ 78
5.7.2 ATA Flat Cable Connection............................................................................. 78
5.7.3 Single Port RS-232 Cable................................................................................ 79
5.8 EXTERNAL PERIPHERAL INTERFACE CONNECTION................................................... 80
6 AMI BIOS................................................................................................................ 82
6.1.1.1 IDE Master, IDE Slave............................................................................. 84
6.1.2 Super IO Configuration.................................................................................... 91
6.1.3 Hardware Health Configuration...................................................................... 94
6.1.4 ACPI Configuration ......................................................................................... 96
6.1.4.1 Advanced ACPI Configuration ................................................................. 97
6.1.5 MPS Configuration .......................................................................................... 99
6.1.6 USB Configuration......................................................................................... 100
6.1.6.1 USB Mass Storage Device Configuration............................................... 103
6.2 PCI/PNP ................................................................................................................ 105
6.3 BOOT ......................................................................................................................110
6.3.1 Boot Settings Configuration............................................................................111
6.3.2 Boot Device Priority.......................................................................................115
6.3.3 Removable Drives...........................................................................................116
6.3.4 CD/DVD Drives..............................................................................................118
Page viii
6.4 SECURITY................................................................................................................118
6.5 CHIPSET ................................................................................................................. 120
6.5.1 NorthBridge Configuration............................................................................ 120
6.5.2 SouthBridge Configuration............................................................................ 124
A300 Motherboard
6.6 POWER................................................................................................................... 126
6.7 EXIT....................................................................................................................... 129
7 SOFTWARE DRIVERS....................................................................................... 133
7.1 AVAILABLE SOFTWARE DRIVERS............................................................................ 134
7.2 CHIPSET DRIVER INSTALLATION............................................................................. 134
7.3 REALTEK AUDIO DRIVER INSTALLATION ............................................................... 138
7.4 INTEL CHIPSET GRAPHICS DRIVER......................................................................... 142
7.5 SATA - ALI RAID DRIVER INSTALLATION ............................................................ 145
7.5.1 Installation Steps During Windows XP Installation....................................... 146
7.5.2 Installation Steps under Existing Windows XP .............................................. 147
A BIOS OPTIONS.................................................................................................... 149
B GPIO CONNECTION.......................................................................................... 155
B.1 GPIO SETTINGS AND DEFAULT VALUES ................................................................ 156
B.1.1 GPIO Settings................................................................................................ 156
B.1.2 Default Settings ............................................................................................. 156
B.2 ASSEMBLY LANGUAGE SAMPLES........................................................................... 157
B.2.1 GPIO Initialization Procedure ...................................................................... 157
B.2.2 General Purpose Output Procedure.............................................................. 157
B.2.3 General Purpose Input Procedure................................................................. 158
C WATCHDOG TIMER.......................................................................................... 159
D ADDRESS MAPPING.......................................................................................... 163
D.1 ADDRESS MAP ...................................................................................................... 164
D.2 1ST MB MEMORY ADDRESS MAP ......................................................................... 164
D.3 IRQ MAPPING TABLE............................................................................................ 165
D.4 DMA CHANNEL ASSIGNMENTS............................................................................. 165
E EXTERNAL AC’97 AUDIO CODEC ................................................................. 167
E.1 INTRODUCTION...................................................................................................... 168
E.1.1 Accessing the AC’97 CODEC ....................................................................... 168
E.1.2 Driver Installation......................................................................................... 168
E.2 SOUND EFFECT CONFIGURATION ........................................................................... 168
E.2.1 Accessing the Sound Effects Manager........................................................... 168
Page ix
A300 Motherboard
E.2.2 Sound Effect Manager Configuration Options.............................................. 170
F INDEX.................................................................................................................... 173
Page x
A300 Motherboard
Figure 1-1: A300 Overview...........................................................................................5
Figure 1-2: A300 Solder Side Overview ......................................................................6
Figure 2-1: A300 Dimensions (mm)...........................................................................11
Figure 2-2: External Interface Panel Dimensions (mm)...........................................12
Figure 2-3: Data Flow Block Diagram........................................................................12
Figure 4-1: Connector and Jumper Locations.........................................................29
Figure 4-2: Connector and Jumper Locations (Solder Side)..................................30
Figure 4-3: ATX Power Connector Location.............................................................33
Figure 4-4: Audio Connector Pinouts (10-pin).........................................................34
List of Figures
Figure 4-5: CF Card Socket Location........................................................................35
Figure 4-6: Fan Connector Locations.......................................................................36
Figure 4-7: Front Panel Connector Location............................................................37
Figure 4-8: GPIO Connector Pinout Locations ........................................................38
Figure 4-9: IDE Device Connector Locations...........................................................39
Figure 4-10: Inverter Connector Location ................................................................41
Figure 4-11: IR Connector Location..........................................................................42
Figure 4-12: LED Connector Locations.....................................................................43
Figure 4-13: Power Button Connector Location......................................................44
Figure 4-14: Serial Port Connector Location............................................................45
Figure 4-15: RS-232 Serial Port Connector Locations............................................46
Figure 4-16: Front Panel Connector Location..........................................................48
Figure 4-17: TFT LCD LVDS Connector Pinout Locations......................................49
Figure 4-18: Internal USB Connector Locations (8-pin)..........................................50
Figure 4-19: Internal USB Connector Locations (5-pin)..........................................51
Figure 4-20: A300 On-board External Interface Connectors ..................................52
Figure 4-21: Audio Connector....................................................................................53
Figure 4-22 DVI-I Connector Pinout Locations ........................................................53
Page xi
A300 Motherboard
Figure 4-23: J7 Connector..........................................................................................55
Figure 4-24: PS/2 Pinouts...........................................................................................56
Figure 4-25: Serial Port Pinout Locations.................................................................57
Figure 4-26: VGA Connector......................................................................................59
Figure 5-1: Make sure the CPU socket retention screw is unlocked.....................65
Figure 5-2: Lock the CPU Socket Retention Screw.................................................66
Figure 5-3: IEI CF-518-RS and CF-479A-RS Cooling Kit..........................................66
Figure 5-4: Cooling Kit Support Bracket...................................................................67
Figure 5-5: Connect the cooling fan cable ...............................................................68
Figure 5-6: Installing the DIMM Module ....................................................................69
Figure 5-7: CF Card Installation.................................................................................70
Figure 5-8: CF Card Setup Jumper Location............................................................72
Figure 5-9: JP2 Clear CMOS Jumper.........................................................................73
Figure 5-10: COM Port Setting Jumper Location.....................................................75
Figure 5-11: LCD Voltage Selection Jumper Location............................................76
Figure 5-12: LCD Rotate Jumper Location...............................................................77
Figure 5-13: IDE Cable Connection...........................................................................79
Figure 5-14: Single Port RS-232 Cable Connection.................................................80
Figure 7-1: InstallShield Wizard Preparation Screen............................................ 135
Figure 7-2: Welcome Screen................................................................................... 135
Figure 7-3: License Agreement............................................................................... 136
Figure 7-4: Readme Information............................................................................. 137
Figure 7-5: Restart the Computer........................................................................... 138
Figure 7-6: Audio Driver Install Shield Wizard Starting ....................................... 139
Figure 7-7: Audio Driver Welcome Screen............................................................ 140
Figure 7-8: Audio Driver Software Configuration................................................. 140
Figure 7-9: Audio Driver Digital Signal .................................................................. 141
Figure 7-10: Audio Driver Installation Complete................................................... 142
Page xii
Figure 7-11: VGA Driver Installation InstallShield Wizard Screen...................... 143
Figure 7-12: VGA Driver Welcome Screen............................................................. 144
Figure 7-13: GMA Driver Installation Complete .................................................... 145
A300 Motherboard
Table 1-1: Technical Specifications ............................................................................9
Table 2-1: Supported Processors..............................................................................13
Table 2-2: Supported HDD Specifications................................................................17
Table 2-3: Power Consumption .................................................................................23
Table 3-1: Package List Contents..............................................................................27
Table 4-1: Peripheral Interface Connectors..............................................................31
Table 4-2: Rear Panel Connectors.............................................................................32
Table 4-3: ATX Power Connector Pinouts................................................................33
Table 4-4: Audio Connector Pinouts (3-pin).............................................................34
List of Tables
Table 4-5: CF Card Socket Pinouts ...........................................................................36
Table 4-6: System Fan Connector Pinouts...............................................................37
Table 4-7: Front Panel Connector Pinouts...............................................................38
Table 4-8: GPIO Connector Pinouts..........................................................................39
Table 4-9: IDE Connector Pinouts.............................................................................40
Table 4-10: Inverter Power Connector Pinouts........................................................41
Table 4-11: IR Connector Pinouts..............................................................................42
Table 4-12: LED Connector Pinouts..........................................................................43
Table 4-13: Power Button Connector Pinouts..........................................................44
Table 4-14: RS-422/485 Serial Port Connector Pinouts...........................................45
Table 4-15: COM4 Serial Port Connector Pinouts....................................................46
Table 4-16: COM5 Serial Port Connector Pinouts....................................................46
Table 4-17: COM6 Serial Port Connector Pinouts....................................................47
Table 4-18: Front Panel Connector Pinouts .............................................................48
Table 4-19: TFT LCD LVDS Port Connector Pinouts...............................................49
Table 4-20: Internal USB Connector Pinouts (8-pin) ...............................................50
Table 4-21: Internal USB Connector Pinouts (5-pin) ...............................................51
Table 4-22: DVI-I Connector Pinouts.........................................................................54
Page xiii
A300 Motherboard
Table 4-23: RJ-45 Ethernet Connector Pinouts........................................................55
Table 4-24: RJ-45 Ethernet Connector LEDs............................................................55
Table 4-25: Keyboard Connector Pinouts ................................................................56
Table 4-26: RS-232 Serial Port (COM 1) Pinouts......................................................57
Table 4-27: RS-232 Serial Port (COM2, COM3) Pinouts...........................................57
Table 4-28: USB Connector Pinouts..........................................................................58
Table 4-29: VGA Connector Pinouts .........................................................................59
Table 5-1: Jumpers ....................................................................................................71
Table 5-2: CF Card Setup Jumper Settings..............................................................71
Table 5-3: JP2 Clear CMOS Jumper Settings...........................................................73
Table 5-4: COM Port Setting Jumper Settings.........................................................74
Table 5-5: LCD Voltage Selection Jumper Settings.................................................75
Table 5-6: LCD Rotate Jumper Settings....................................................................76
Table 5-7: IEI Provided Cables...................................................................................78
Page xiv
A300 Motherboard
BIOS Menu 1: IDE Master Configuration...................................................................84
BIOS Menu 2: IDE Slave Configuration.....................................................................88
BIOS Menu 3: Super IO Configuration......................................................................91
BIOS Menu 4: Hardware Health Configuration.........................................................95
BIOS Menu 5: ACPI Configuration.............................................................................97
BIOS Menu 6: Advanced ACPI Configuration..........................................................98
BIOS Menu 7: MPS Configuration .......................................................................... 100
BIOS Menu 8: USB Configuration........................................................................... 101
BIOS Menu 9: USB Mass Storage Device Configuration...................................... 103
BIOS Menus
BIOS Menu 10: PCI/PnP Configuration.................................................................. 106
BIOS Menu 11: Boot................................................................................................. 111
BIOS Menu 12: Boot Settings Configuration......................................................... 112
BIOS Menu 13: Boot Device Priority Settings....................................................... 116
BIOS Menu 14: Removable Drives.......................................................................... 117
BIOS Menu 15: Security........................................................................................... 119
BIOS Menu 16: Chipset............................................................................................ 120
BIOS Menu 17: NorthBridge Chipset Configuration............................................. 121
BIOS Menu 18: SouthBridge Chipset Configuration............................................ 125
BIOS Menu 19: Power.............................................................................................. 127
BIOS Menu 20: Exit ................................................................................................. 130
Page xv
A300 Motherboard
Glossary
AC ’97 Audio Codec 97
ACPI Advanced Configuration and
Power Interface
APM Advanced Power Management
ARMD ATAPI Removable Media Device
ASKIR Shift Keyed Infrared
ATA Advanced Technology
Attachments
BIOS Basic Input/Output System
CFII Compact Flash Type 2
CMOS Complementary Metal Oxide
Semiconductor
CPU Central Processing Unit
Codec Compressor/Decompressor
COM Serial Port
DAC Digital to Analog Converter
DDR Double Data Rate
IDE Integrated Data Electronics
I/O Input/Output
ICH4 I/O Controller Hub 4
L1 Cache Level 1 Cache
L2 Cache Level 2 Cache
LCD Liquid Crystal Display
LPT Parallel Port Connector
LVDS Low Voltage Differential Signaling
MAC Media Access Controller
OS Operating System
PCI Peripheral Connect Interface
PIO Programmed Input Output
PnP Plug and Play
POST Power On Self Test
RAM Random Access Memory
SATA Serial ATA
S.M.A.R.T Self Monitoring Analysis and
DIMM Dual Inline Memory Module
DIO Digital Input/Output
DMA Direct Memory Access
EIDE Enhanced IDE
EIST Enhanced Int el SpeedStep
Technology
FFIO Flexible File Input/Output
FIFO First In/First Out
FSB Front Side Bus
IrDA Infrared Data Association
HDD Hard Disk Drive
Page xvi
Reporting Technology
SPD Serial Presence Detect
S/PDI Sony/Philips Digital Interface
SDRAM Synchronous Dynamic Random
Access Memory
SIR Serial Infrared
UART Universal Asynchronous
Receiver-transmitter
USB Universal Serial Bus
VGA Video Graphics Adapter
A300 Motherboard
Chapter
1
1 Introduction
Page 2
A300 Motherboard
1.1 A300 Overview
The A300 is a multimedia Pentium® Mobile processor-based motherboard that powers a
Point-of-Care terminal or panel PC for varied purposes. To facilitate multimedia
performance, the A300 can connect to slim Combo CD/DVD-ROM, a PCMCIA card
socket, and the multimedia and wireless 802.11g functionality. The A300 also comes
with an expansion PCI slot which allows flexible implementations making it the perfect
platform for comprehensive lifestyle computing applications.
1.1.1 A300 Applications
The A300 is designed for applications in the following areas:
Surveillance
o Digital surveillance
o X-ray imaging terminal
o Bedside entertainment
o Multimedia advertising platform
General Computing
o Computer-based testing center
o General purpose information system
o Mobile nursing station
o Interactive education uses
Automation & Control
o Plant environment monitoring
o Factory automation HMI terminal
o Shop-floor/MES control
Self-service Kiosk
o Full-service receptionist kiosk
o Hospital self-registering terminal
o Interactive photo kiosk
o Video rental kiosk
o Self-service POS terminal
Page 3
A300 Motherboard
1.1.2 A300 Benefits
Some of the A300 benefits include:
Clinical Information System (CIS) integration
Filmless solution by PACS
Reduced maintenance costs
Client crash prevention
Central resource control
1.1.3 A300 Features
Some of the A300 features are listed below:
LPX form factor
RoHS compliant
Intel Pentium M / Celeron M processor supported
Digital dual-independent display functionality
Low power consumption
Two high performance gigabit Ethernet controllers on-board
Medical power input fully supported
CompactFlash
Integrated audio
®
card and PCMCIA socket solutions
Page 4
A300 Motherboard
1.2 A300 Board Overview
Figure 1-1: A300 Overview
Page 5
A300 Motherboard
Figure 1-2: A300 Solder Side Overview
1.2.1 A300 Connectors
The A300 has the following connectors on-board:
1 x ATX power connector
1 x Audio connector
1 x CompactFlash
3 x Cooling fan connectors
1 x Front panel connector
1 x 8 bits GPIO connector
2 x 44-pin IDE connectors
1 x Inverter connector
1 x IR interface connector
Page 6
®
card socket
A300 Motherboard
1 x Disk LED connector
1 x PCMCIA slot
1 x Power button connector
3 x RS-232 serial port connectors
1 x RS-422/485 serial port connector
1 x System panel connector
1 x LCD LVDS connector
3 x USB2.0 connectors
The A300 has the following connectors on the board rear panel:
1 x Audio connector
1 x COM port jumper
1 x DVI-I connector
3 x Serial port connectors
1 x CRT connector
1 x PS/2 keyboard connector
1 x PS/2 mouse connector
2 x USB 2.0 connectors
2 x LAN RJ-45 connectors
The A300 has the following on-board jumpers:
Clear CMOS
CF Card Setup
COM Port Jumper Settings
LCD Voltage Setup
LCD Rotate Setup
1.2.2 Technical Specifications
A300 technical specifications are listed in Table 1-1. Detailed descriptions of each
specification can be found in Chapter 2.
Page 7
A300 Motherboard
Specification A300
CPU
System Chipset
Display
TTL/LVDS
Memory
BIOS
SSD
Audio
LAN
COM
Intel® Pentium M/Celeron M 400Mhz FSB up to 2.10GHz
Intel® 855GME + ICH4
CRT integrated in Intel® 855GME
DVI integrated in Silicon Image SiI164
Dual channel 18-bit LVDS integrated in Intel® 855GME
Supports independent dual display
Supports two DDR 266/333 184-pin DIMM modules up to 2GB
AMI BIOS
Compact Flash (CF)
AC'97 Codec Realtek ALC6 55
Dual Realtek RTL8110S/SC GbE
Five RS-232 and
One RS-232/422/RS-485
Page 8
USB2.0
IDE
Watchdog Timer
Digital I/O
Expansion
Power Supply
Temperature
Humidity (operating)
Six USB 1.1 or USB 2.0 devices supported
Two 44-pin IDE con ne cts to four Ultra ATA33/66/100 devices
Software programmable 1-255 sec. by supper I/O
One GPIO connector
One PCI slot
One PCMCIA slot
ATX power support
0ºC - 60ºC
5%~95% non-condensing
A300 Motherboard
Dimensions
Weight (GW/NW)
Table 1-1: Technical Specifications
235mm x 220mm
1200g/680g
Page 9
A300 Motherboard
Chapter
2
2 Detailed Specifications
Page 10
A300 Motherboard
2.1 Overview
This chapter describes the specifications and on-board features of the A300 in detail.
2.2 Dimensions
2.2.1 Board Dimensions
The dimensions of the board are listed below:
Length: 235mm
Width: 220mm
Figure 2-1: A300 Dimensions (mm)
Page 11
A300 Motherboard
2.2.2 External Interface Panel Dimensions
External peripheral interface connector panel dimensions are shown in Figure 2-2.
Figure 2-2: External Interface Panel Dimensions (mm)
2.3 Data Flow
The A300 motherboard comes with an Intel® Pentium M / Celeron M CPU. Figure 2-3
shows the data flow between the system chipset, the CPU and other components installed
on the motherboard.
Page 12
Figure 2-3: Data Flow Block Diagram
A300 Motherboard
2.4 Compatible Processor
2.4.1 CPU Overview
Socket 479 Intel® Pentium® M processors with enhanced Intel SpeedStep® Technology
and Socket 479 Intel
2.4.2 Supported Processors
Specifications for the compatible processors are listed in Table 2-1 below:
Family Number Architecture Cache Clock Speed FSB
Pentium® M 765 90 nm 2 MB L2 2.10 GHz 400 MHz
Pentium® M 755 90 nm 2 MB L2 2.0 GHz 400 MHz
®
Celeron® M processors can be installed on the A300 motherboard.
Pentium® M 745 90 nm 2 MB L2 1.80 GHz 400 MHz
Pentium® M 735 90 nm 2 MB L2 1.70 GHz 400 MHz
Pentium® M 725 90 nm 2 MB L2 1.60 GHz 400 MHz
Pentium® M 715 90 nm 2 MB L2 1.50 GHz 400 MHz
Pentium® M 710 90 nm 2 MB L2 1.40 GHz 400 MHz
Celeron® M 390 90 nm 1 MB L2 1.70 GHz 400 MHz
Celeron® M 380 90 nm 1 MB L2 1.60 GHz 400 MHz
Celeron® M 370 90 nm 1 MB L2 1.50 GHz 400 MHz
Celeron® M 360 90 nm 1 MB L2 1.40 GHz 400 MHz
Celeron® M 350 90 nm 1 MB L2 1.30 GHz 400 MHz
Table 2-1: Supported Processors
Page 13
A300 Motherboard
2.5 Intel® 855GME Chipset Graphics Memory Controller Hub
2.5.1 Intel® 855GME Overview
The Intel
®
855GME chipset comes with the following features:
400 MHz system bus delivers a high-bandwidth connection between the
processor and the platform
Integrated graphics utilizing Intel
AGP 4X support
Three USB host controllers provide high-performance peripherals with 480
®
Extreme Graphics 2 technology
Mbps of bandwidth, while enabling support for up to six USB 2.0 ports.
The latest AC '97 implementation delivers 20-bit audio for enhanced sound
quality and full surround sound capability
LAN Connect Interface (LCI) provides flexible network solutions such as
10/100 Mbps Ethernet and 10/100 Mbps Ethernet with LAN manageability
Dual Ultra ATA/100 controllers, coupled with the Intel
®
Application Accelerator
support faster IDE transfers to storage devices
The Intel Application Accelerator software provides additional performance
over native ATA drivers by improving I/O transfer rates and enabling faster
O/S load time, resulting in accelerated boot times
Communication and Network Riser (CNR) offers flexibility in system
configuration with a baseline feature set that can be upgraded with an audio
card, modem card, or network card
Error Correcting Code (ECC) support in integrated graphics mode only
2.5.2 Intel® 855GME Memory Support
The Intel® 855GME supports two DDR memory modules with frequencies up to 333MHz.
The A300 has two 184-pin DDR DIMM SDRAM socket that supports two 200MHz,
266MHz or 333MHz DDR DIMM memory module with a maximum capacity of 2GB.
Page 14
2.5.3 Intel® 855GME Internal Graphics Controller
The Intel® 855GME supports both CRT and TFT in a dual display mode. The following
display specifications.
A300 Motherboard
Graphics Core Frequency
o Display/Render frequency up to 250 MHz (with 1.35 V core voltage)
3D Graphics Engine
o 3D Setup and Render Engine
o Zone Rendering
o High-quality performance Texture Engine
Analog Display Support
o 350-MHz integrated 24-bit RAMDAC
o Hardware color cursor support
o Accompanying I2C and DDC channels provided through multiplexed
o Dual independent pipe for dual independent display
o Simultaneous display: same images and native display timings on each
interface
display device
Digital Video Out Port (DVOB & DVOC) support
o DVOB & DVOC with 165-MHz dot clock support for each 12-bit interface
o Compliant with DVI Specification 1.5
Dedicated LFP (local flat panel) support
o Single or dual channel LVDS panel support up to UXGA panel resolution
with frequency range from 25 MHz to 112 MHz per channel
o SSC support of 0.5%, 1.0%, and 2.5% center and down spread with
external SSC clock
o Supports data format of 18 bpp
o LCD panel power sequencing compliant with SPWG timing specification
o Compliant with ANSI/TIA/EIA 644-1995 spec
o Integrated PWM interface for LCD backlight inverter control
o Bi-linear Panel fitting
Internal Graphics Features (Intel 855GME chipset)
o Core Vcc = 1.2 V or 1.35 V (to support higher graphics core frequency
and DDR333)
o Graphics core frequency
Display core frequency at 133 MHz, 200 MHz, 250 MHz
Render core frequency at 100 MHz, 133 MHz, 166 MHz, 200 MHz, 250 MHz
Intel® Dual-Frequency Graphics Technology
o 3D Graphics Engine
Page 15
Loading...