Advantech PCM-3353 User Manual download pdf (Page 50)

PCM-3353 User Manual 42

B.1 System I/O Ports

B.2 1st MB Memory Map

Table B.1: System I/O Ports

Addr. range (Hex) Device

000-01F DMA controller

020-021 Interrupt controller 1, master

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 (Parallel port 2,LTP3)

2E8-2EF Reserved (Series 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 Reserved (Series port 3)

3F0-3F7 Diskette controller

3F8-3FF Serial port 1

* PNP audio I/O map range from 220 ~ 250H (16 bytes)

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

Table B.2: 1st MB Memory Map

Addr. range (Hex) Device

F0000h - FFFFFh System ROM

*CC000h - EFFFFh Unused (reserved for Ethernet ROM)

C0000h - CBFFFh Expansion ROM (for VGA BIOS)

B8000h - BFFFFh CGA/EGA/VGA text

B0000h - B7FFFh Unused

A0000h - AFFFFh EGA/VGA graphics

00000h - 9FFFFh Base memory

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 69 70

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Advantech PCM-3353 User Manual Page 50

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