Intel A300 - page 74

A300 Motherboard

4 NC 12

DDCDAT

5 GROUND 13

HSYNC

6 GROUND 14

VSYNC

7 GROUND 15

DDCCLK

8 GROUND

Table 4-29: VGA Connector Pinouts

Figure 4-26: VGA Connector

Page 59

Contents

Main Revision Copyright Packing List Page iv Table of Contents Page Page Page Page Page List of Figures Page List of Tables Page BIOS Menus Glossary Page xvi 1 Introduction Page 1.1.2 A300 Benefits Page 4 1.1.3 A300 Features Page 1.2.1 A300 Connectors Page 6 A300 Motherboard 1.2.2 Technical Specifications Page 7 Page 8 Page 2 Detailed Specifications Page 2.3 Data Flow A300 Motherboard 2.4 Compatible Processor Page 13 2.4.1 CPU Overview 2.4.2 Supported Processors 2.5 Intel 855GME Chipset Graphics Memory Controller Hub Page 14 2.5.1 Intel 855GME Overview 2.5.2 Intel 855GME Memory Support 2.5.3 Intel 855GME Internal Graphics Controller Page o Page 16 2.5.4 Intel 855GME Power Management 2.6 Intel 82801DB I/O Controller Hub (ICH4) 2.6.1 Intel ICH4 Overview Page 2.6.5 Intel ICH4 USB Controller Page 18 2.6.6 Intel ICH4 PCI Interface 2.6.7 Intel ICH4 Low Pin Count (LPC) Interface 2.7 PCI Bus Components 2.7.1 PCI Bus Overview 2.7.2 GbE Ethernet 2.7.3 PCMCIA Slot 2.8 LPC Bus Components 2.8.1 LPC Bus Overview 2.8.2 BIOS Chipset A300 Motherboard 2.8.3 Super I/O Chipset Page 21 2.8.3.1 Super I/O 16C550 UARTs 2.9 Environmental and Power Specifications A300 Motherboard 2.9.2 Operating Temperature and Temperature Control Page 23 2.9.3 Power Consumption 3 Unpacking A300 Motherboard 3.1 Anti-static Precautions Page 25 3.2 Unpacking 3.2.1 Unpacking Precautions 3.3 Unpacking Checklist Page 4 Connector Pinouts Page Page A300 Motherboard Page 31 4.2 Internal Peripheral Connectors Page Page A300 Motherboard Page 35 4.2.4 Fan Connectors Page 36 A300 Motherboard 4.2.5 Front Panel Connector Page 37 Page Page 4.2.8 Inverter Power Connector Page 40 Page Page Page Page A300 Motherboard 4.2.13 Serial Port Connector (RS-232) Page 45 Page 46 A300 Motherboard 4.2.14 System Panel Connector Page 47 Page A300 Motherboard Page 49 Figure 4-17: TFT LCD LVDS Connector Pinout Locations PIN NO. DESCRIPTION PIN NO. DESCRIPTION Page Page 4.3 External Peripheral Interface Connectors Page 4.3.4 RJ-45 Ethernet Connector Page 54 Page Page Page 4.3.8 USB Combo Ports Page 58 4.3.9 VGA Connector Page 5 Installation A300 Motherboard 5.1 Anti-static Precautions Page 61 5.2 Installation Considerations o A300 Motherboard o Page 63 5.2.2 Installation Checklist o o o 5.3 CPU and CPU Cooling Kit Installation Page Page Page 5.4 DIMM Module Installation and CF Card Installation Page 5.5 Jumper Settings A300 Motherboard 5.5.1 CF Card Setup Jumper Settings Page 71 Page Page Page Page Page 5.6 Chassis Installation 5.7 Internal Peripheral Device Connections Page Page 80 5.8 External Peripheral Interface Connection Page 6 AMI BIOS Page Page Page Page Page Page Page Page Page Page Page Page Page Full On (Default) If selected, there are no additional configurable options. Automatic o o o o o o o 6.1.4 ACPI Configuration Page 96 Page Page Page Page Page Page Page Page 6.2 PCI/PnP Page Page Page Page 6.3 Boot Page Page Page Page Page Page Page 6.4 Security Page 6.5 Chipset Page Page Page NOTE: Page 124 6.5.2 SouthBridge Configuration Page 6.6 Power Page Page 6.7 Exit Page Page Page 7 Software Drivers 7.1 Available Software Drivers Page 134 NOTE: 7.2 Chipset Driver Installation Page Page Page 7.3 RealTek Audio Driver Installation Page Page Page 7.4 Intel Chipset Graphics Driver Page Page 7.5 SATA - ALi RAID Driver Installation 7.5.1 Installation Steps During Windows XP Installation Page 146 A300 Motherboard 7.5.2 Installation Steps under Existing Windows XP Page 147 Page A BIOS Options A Page Page Page Page Page B GPIO Connection B B.1 GPIO Settings and Default Values Page 156 B.1.1 GPIO Settings B.1.2 Default Settings A300 Motherboard B.2 Assembly Language Samples Page 157 B.2.1 GPIO Initialization Procedure B.2.2 General Purpose Output Procedure Page C Watchdog Timer C Page Page Page D Address Mapping D D.1 Address Map D.2 1st MB Memory Address Map Page 164 A300 Motherboard D.3 IRQ Mapping Table Page 165 D.4 DMA Channel Assignments Page E External AC97 Audio CODEC E E.1 Introduction E.2 Sound Effect Configuration Page E.2.2 Sound Effect Manager Configuration Options Page 170 o o o o o Page F Index Page 174 Page 2 A300 Motherboard Page 3 Page 4