Intel SOM-4486 B.4 1st MB memory map

43 Chapter B

B.4 1st MB memory map

Table B.4: 1st MB memory map

Addr. range (Hex) Device

F000h - FFFFh System ROM

E000h - EFFFh Reserved for BIOS boot

CC00h - DFFFh available

C000h - CB00h VGA BIOS

B800h - BFFFh CGA/EGA/VGA text

B000h - B7FFh Reserved for graphic mode usage

A000h - AFFFh EGA/VGA graphics

0000h - 9FFFh Base memory

* default setting

Contents

Main Page Packing List SOM-4486 Users Manual iv FCC Contents Chapter 1 Introduction...................................................... 2 Chapter 2 Connector Assignments .................................10 Chapter 3 Software Configuration .................................14 Chapter 4 PCI Graphic Setup.........................................18 Chapter 6 LCI Bus Ethernet Interface...........................30 Appendix A Prog. Watchdog Timer ..................................36 Appendix B System Assignments .......................................40 General Information Chapter 1 Introduction 1.1 Introduction 1.2 Specifications 1.2.1 Standard System On Module functions 1.2.2 VGA/flat panel Interface 1.2.3 Audio function 1.2.4 LCI 1.2.5 Mechanical and environmental Page Page Page Page Page Page 2.3 Safety precautions Page Page Chapter 3 Software Configuration 3.1 Introduction 3.2 Utility CD disk 3.3 VGA display software configuration Page 3.4 Connections for two channel LVDS 3.4.1 SOM-4486 X3 Table 3.1: LVDS Pin assingments Page Chapter 4 PCI Graphic Setup 4.1 Introduction 4.1.1 Chipset 4.1.2 Display memory 4.1.3 Display types Page 4.2 Installation of the PCI Graphic driver 4.2.1 Installation for Windows 98/ME/2000/XP Page Page Page Page Audio Setup Chapter 5 Audio Setup 5.1 Introduction 5.2 Driver installation 5.2.1 Before you begin Page Page LAN Configuration Chapter 6 LCI Bus Ethernet Interface 6.1 Introduction 6.2 Features 6.3 Installation of Ethernet Driver Page Page Page Page A Appendix A Prog. Watchdog Timer A.1 Watchdog programming Page Page Page Appendix B System Assignments B.1 System I/O ports Table B.1: System I/O ports B.2 DMA channel assignments Table B.2: DMA channel assignments B.3 Interrupt assignments Table B.3: Interrupt assignments B.4 1st MB memory map Table B.4: 1st MB memory map