D.1 system i/o ports, Table d-1: system i/o ports – Advantech PCM-9570/S 2006957006 5th Edition User Manual

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PCM-9570/S User's Manual

D.1 System I/O ports

Table D-1: System I/O ports

Addr. range (Hex)

Device

000-01F

DMA controller

020-021

Interrupt controller 1, master

022-023

Chipset address

040-05F

8254 timer

060-06F

8042 (keyboard controller)

070-07F

Real-time clock, non-maskable interrupt (NMI) mask

080-09F

DMA page register,

0A0-0BF

Interrupt controller 2

0C0-0DF

DMA controller

0F0

Clear math co-processor

0F1

Reset math co-processor

0F8-0FF

Math co-processor

1F0-1F8

Fixed disk

200-207

Reserved (Game I/O)

278-27F

Reserved

2E8-2EF

Serial port 4

2F8-2FF

Serial port 2

300-31F

Prototype card

360-36F

Reserved

378-37F

Parallel printer port 1 (LPT 2)

380-38F

SDLC, bisynchronous 2

3A0-3AF

Bisynchronous 1

3B0-3BF

Monochrome display and printer adapter(LPT1)

3C0-3CF

Reserved

3D0-3DF

Color/graphics monitor adapter

3E8-3EF

Serial port 3

3F0-3F7

Diskette controller

3F8-3FF

Serial port 1

443

Watchdog timer

* MPU-401 select from 300 ~ 330H (2 bytes)

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