beautypg.com

Intel Vig390s User Manual

Page 115

background image

Vig390s Motherboard Manual V1.0

114

03B0 - 03BB

12 bytes

Video (monochrome)

03C0 - 03DF

32 bytes

Video (VGA)

03E8 - 03EF

8 bytes

COM3

03F0 - 03F5, 03F7

7 bytes

Floppy Controller

03F6

1 byte

Primary IDE controller

03F8 - 03FF

8 bytes

COM1

04D0 - 04D1

2 bytes

Edge/level triggered PIC

0530 - 0537

8 bytes

Windows Sound System

LPTn + 400h

8 bytes

ECP port, LPTn base address + 400h

0CF8 - 0CFF*

8 bytes

PCI configuration registers

0CF9**

1 byte

Turbo and reset control register

*

DWORD access only

** Byte access only

Table 83: Typical PCI Configuration Space Map

Bus
Number (hex)

Device
Number (hex)

Function
Number (hex)


Description

00

00

00

Intel 82440BX (PAC)

00

01

00

Intel 82440BX (PAC) AGP bus

00

07

00

Intel 82371AB (PIIX4E ) PCI/ISA bridge

00

07

01

Intel 82371AB (PIIX4E ) IDE bus
master

00

07

02

Intel 82371AB (PIIX4E ) USB

00

07

03

Intel 82371AB (PIIX4E ) power
management

00

0D

00

PCI expansion slot 1 (J4D2)

00

0E

00

PCI expansion slot 2 (J4D1)

00

0F

00

PCI expansion slot 3 (J4C1)

00

10

00

PCI expansion slot 4 (J4B1)



Table 84
:

Standard interrupt assignments

I R Q

Priority Standard Function

0

1

System Timer

1 2

Keyboard

Controller

2

-

Re-direct to IRQ#9

3

11

Communications Port (COM2)*

4

12

Communications Port (COM1)*

5

13

IRQ holder for PCI steering*

6

14

Floppy Disk Controller

7

15

Printer Port (LPT1)*

8

3

System CMOS/Real Time Clock

9

4

IRQ holder for PCI steering*

10

5

IRQ holder for PCI steering*

11

6

IRQ holder for PCI steering*

12

7

PS/2 Compatible Mouse Port*

13

8

Numeric Data Processor

14 9

Primary

IDE

Channel

15

10

Secondary IDE Channel

Note: * These IRQs are usually available for ISA or PCI devices.