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PC's Resource Setting

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This page has showing IRQ Setting Table,DMA(Direct Memory Access) Channel Setting Table,I/O Address Setting Table,Memory Address SettingTable,Interrupt Vector Table,Programmable Interrupt Controller Table,Mask IRQ Table for PC's user attend to referrent.
Table for PC's user attend to referrent.


   IRQ    

IRQ Setting Tabel

No. IRQ

Hardware

0

Computer Timer

1

Keyboard

3

Serial Port2(COM 2)

4

Serial Port2(COM 1)

5

Sound Card

6

Floppy Drive

7

Parallel Port

8

Clock

12

Mouse Port

14

Primary Hard Drive

15

Secondary Hard Drive

   DMA(Direct Memory Access)   

DMA Channel Setting Tabel

No. DMA Channel Hardware
1 Sound Card
2 Floppy Drive
3 Parallel Port or Voice Modem
5 Sound Card or SCSI Card
6 Sound Card or Network Interface Card

   I/O Address of mainboard computer   

I/O Address Setting Tabel

No. I/O Address Hardware
220 Sound Card
2F8 Floppy Drive
300 Network Interface Card
378 Parallel Port
3F8 Serial Port

   Memory Address of mainboard computer    

Memory Address SettingTabel

No. Memory Address Hardware
C0000 Video Card
C8000 Hard Drive
D0000 Network Interface Card
F0000 BIOS

   Com port parameter setting   

Interrupt Vector Tabel

No. Com Port Interrupt Vector
Com1 0x0C
Com2 0x0B
Com3 0x0C
Com4 0x0B

   Programmable Interrupt Controller in setting to com port   

Programmable Interrupt Controller Tabel

Com Port Programmable Interrupt Controller
Com1(IRQ4) 0xEF
Com2(IRQ3) 0xF7
Com1(IRQ4) 0xEF
Com2(IRQ3) 0xF7

   Setting parameter or cancle for interrupt sequence in communicate with com port    

Mask IRQ Tabel

Com Port Mask IRQ Value
Com1(IRQ4) 0x10
Com2(IRQ3) 0x08
Com1(IRQ4) 0x10
Com2(IRQ3) 0x08

 



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