Intel SOM-4486 Appendix B System Assignments

SOM-4486 User’s Manual 40

Appendix B System Assignments

B.1 System I/O ports

Table B.1: System I/O ports

Addr. range

(Hex) Device

000-01F DMA controller (slave)

020-03F Interrupt controller 1, (master)

040-05F 8254 timer/counter

060-06F 8042 (keyboard controller)

070-07F Real-time clock, non-maskable interrupt (NMI)

Mask

080-09F DMA page register,

0A0-0BF Interrupt controller 2 (slave)

0C0-0DF DMA controller (master)

0F0 Clear math co-processor

0F1 Reset math co-processor

0F8-0FF Math co-processor

1F0-1F8 1st fixed disk

200-207 Game I/O

278-27F Reserved

2F8-2FF Serial port 2

300-31F Ethernet**

378-37F Parallel printer port 1 (LPT1)

380-38F SDLC, bisynchronous 2

3A0-3AF Bisynchronous 1

3B0-3BF Monochrome display

3C0-3CF Reserved

3D0-3DF Color/graphics monitor adapter

3F0-3F7 Diskette controller

3F8-3FF Serial port 1

** 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