Appendix c system assignments, C.1 system i/o ports, Table c.1: system i/o ports – Intel CELERON PCI-6886 User Manual

Page 94: System i/o ports, Table c.1:system i/o ports

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PCI-6886 User’s Manual

84

Appendix C System Assignments

C.1 System I/O Ports

Table C.1: System I/O ports

Addr. range (Hex)

Device

00-0F

Master DMA controller

20-21F

Master Interrupt controller

40-5F

Timer/Counter

60-6F

Keyboard controller

(60h)

KBC Data

(61h)

Misc Funtions & Spkr Ctrl

(64h)

KBC Command/Status

70-77

RTC/COMS/NMI-Disable

78-7F

-available for system use-

80

-reserved-(debug port)

81-8F

DMA Page Registers

90-91

-available for system use-

92

System Control

93-9F

-available for system use-

A0-A1H

Slave Interrupt Controller

C0-DF

Slave DMA Controller

E0-FF

-available for system use-

100-1EF

-available for system use-

170-178

Secondary IDE Control

1F0-1F8

Primary IDE Control

200-20F

Game Port

295-296

Hardware Monitor

2E8-2EF

COM4

2F8-2FF

COM2

378-37F

Parallel Port(Standard & AFF)

3C0-3CF

EGA

3D0-3DF

VGA

3E8-3EF

COM3

3F0-3F1

Configuration Index/Data

3F0-3F7

Floppy Controller

3F8-3FF

COM1

778-77A

Parallel Port(ECP Extensions)(Port 378+400)

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