IRQ Assignment Map

Interrupt Channel

Function(Hardware)

 

 

IRQ12

Alps Pointing-device

 

 

IRQ13

Numeric data processor

 

 

IRQ14

Primary IDE controller

 

 

IRQ15

Secondary IDE controller

 

 

DMA Channel Assignment

DMA Channel

Function(Hardware)

 

 

1

ECP Printer Port (LPT1)

 

 

2

Standard Floppy Disk Controller

 

 

4

Direct Memory Access Controller

 

 

Chapter 1

37

Page 45
Image 45
Acer 420 manual DMA Channel Assignment, IRQ12, IRQ13, IRQ14, IRQ15