beautypg.com

Acer 350 User Manual

Page 33

background image

Chapter 1

27

220-22F

Audio

240-24F

Audio (optional)

278-27F

Parallel port 3

2E8-2EF

COM4

2F8-2FF

COM2 or FIR (optional)

376, 3F6

ALi M5229 PCI BusMaster IDE controller

3BC-3BF

Parallel port 1

3B0-3BB

3C0-3DF

Video Controller

3F0h-3F7

Standard Floppy Disk Controller

3E8-3EF

ALi fast IR controller

3F0-3F5, 3F7

Floppy disk controller

3F8-3FF

COM1

480-48F, 4D6

DMA controller-1

4D0-4D1

CF8-CFF

PCI configuration register

IRQ Assignment Map

Interrupt Channel

Function

IRQ0

System timer

IRQ1

Standard 101/102-key or Microsoft natural keyboard.

IRQ2

Programmable Interrupt Controller

IRQ3

IrDA Fast Interrupt Port

IRQ4

COM1

IRQ5

Reserve

IRQ6

Floppy Disk Controller

IRQ7

Printer Port (LPT1)

IRQ8

System CMOS/real time clock

IRQ9

SCI IRQ used by ACPI bus

IRQ10

ALi audio accelerator WDM driver
Lucent Technologies SoftModem AMR
1394 host controller

IRQ11

PCMCIA CardBus Controller
O2Micro Smart CardBus reader
Trident CyberBlade Ai1 AGP
ALi PCI to USB Open Host Controller

IRQ12

PS2 pointing device

IRQ13

Numeric data processor

IRQ14

1st EIDE device

IRQ15

2nd EIDE device

DMA Channel Assignment

DMA Channel

Function

DRQ0

Not Used

DRQ1

Not Used

DRQ2

Floppy Disk Controller

I/O Address Map

I/O Address

Function