I/O Address Map

I/O Address

Function

 

 

002E-002F, 004E-004F, 0061, 0063,

Main board resources

0065, 0067, 0080, 0092, 00B2-00B3,

 

0200-020F, 0600-060F, 0700-070F,

 

0800-080F, 1000-107F, 1180-11BF,

 

 

 

0066

Microsoft ACPI-Compliant Embedded Controller

 

 

0070-0077

System CMOS/real time clock

 

 

00F0

Numeric data processor

 

 

0170-0177, 0376

Secondary IDE Channel

 

 

01F0-01F7, 03F6

Primary IDE Channel

 

 

0274-0277, 0279, 0A79,

ISAPNP Read Data Port

 

 

0378-037F, 0778-077B

Printer Port (LPT1)

 

 

03B0-03BB, 03C0-03DF, 1800-1807,

Intel (R) 82852/82855 GM/GME Graphics Controller

 

 

06F8-06FF

Wacom Serial Pen Tablet

 

 

1810-181F

Intel (R) 82801DBM Ultra ATA Storage Controller-24CA

 

 

1820-183F

Intel (R) 82801DB/DBM USB Universal Host Controller-24C2

 

 

1840-185F

Intel (R) 82801DB/DBM USB Universal Host Controller-24C4

 

 

1860-187F

Intel (R) 82801DB/DBM USB Universal Host Controller-24C7

 

 

1880-189F

Intel (R) 82801DB/DBM SMBus Controller-24C3

 

 

18C0-18FF, 1C00-1CFF

Cystal WDM AC97 Driver for ICH4

 

 

2000-207F, 2400-24FF

Agere System AC97 Modem

 

 

FB00-FBFE

O2Micro SmartCardBus Reader

 

 

FC00-FCFF, FD00-FDFF, FE00-

Generic Cardbus Controller

FEFF, FF00-FFFF

 

 

 

IRQ Assignment Map

Interrupt Channel

System timer

 

 

IRQ00

System time

 

 

IRQ01

Keyboard

 

 

IRQ02

Progammable Interrupt Controller

 

 

IRQ03

FIR

 

 

IRQ04

Communications Port (COM1)

 

 

IRQ05

Free

 

 

IRQ06

Wacom Serial Pen Tablet/Standard Floppy Disk Controller

 

 

IRQ07

ECP Printer Port (LPT1)/O2Micro Smart CardBus Reader

 

 

IRQ08

Real Time Clock

 

 

IRQ09

SCI

 

 

IRQ10

PCI Device (LAN, Audio, Modem...)

 

 

IRQ11

USB 1.1, USB 2.0, VGA

 

 

IRQ12

PS/2 Mouse

 

 

IRQ13

Numeric data processor

 

 

IRQ14

1st EIDE device (hard disk)

 

 

IRQ15

2nd EIDE device (optical drive)

 

 

32

Chapter 1

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Image 40
Acer C300 Series manual IRQ Assignment Map, Interrupt Channel