Advantech PCA-6185 Manuel D’Utilisation

101

Appendix B

B.16 System I/O Ports

Table B.16: System I/O ports
Addr. Range (HEX)

Device

020

021

Programmable interrupt controller

040

043

System timer

060

Standard 101/102 key or Microsoft Natural PS/2

061

System speaker

064

Standard 101/102 key or Microsoft Natural PS/2

070

073

System CMOS/real time clok

080

090

Direct memory access controller

094

09F

Direct memory access controller

0A0

0A1

Programmable interrupt controller

0C0

0DF

Direct memory access controller

0F0

0FF

Numeric data processor

170

177

Secondary IDE channel

1F0

1F7

Primary IDE channel

2F8

2FF

Communication port (COM2)

376

Secondary IDE channel

3F6

Primary IDE channel

378

37F

Printer port (LTP1)

3F8

3FF

Communication port(COM1)

444

Watchdog Timer

B.17 DMA Channel Assignments

Table B.17: DMA channel assignments
Channel

Function

Available

Floppy disk (8-bit transfer)

Available

Cascade for DMA controller 1

Available