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Irq mapping table, Dma channel assignments – ICP DAS USA SAGP-845EV User Manual

Page 57

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57

1st MB Memory Address Map

Memory address

Description

00000-9FFFF System

memory

A0000-BFFFF VGA

buffer

F0000-FFFFF System

BIOS

1000000- Extend

BIOS

*Default setting

IRQ Mapping Table

IRQ0

System Timer

IRQ8

RTC clock

IRQ1 Keyboard

IRQ9 USB2.0

IRQ2 Available

IRQ10 LAN

IRQ3 COM2

IRQ11 AUDIO/SMBus

Cntrlr

IRQ4 COM1

IRQ12 PS/2

mouse

IRQ5 Available

IRQ13 FPU

IRQ6 FDC

IRQ14 Primary

IDE

IRQ7 Available

IRQ15 Secondary

IDE

DMA Channel Assignments

Channel

Function

0

Available

1

Available

2

Floppy disk ( 8-bit transfer )

3

Available

4

Cascade for DMA controller 1

5

Available

6

Available

7

Available