Advantech PCM-3362 user manual System I/O Ports, 1st MB Memory Map, DMA channel assignments

B.1 System I/O Ports

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)
070-071	Real-time clock, non-maskable interrupt (NMI) mask
87-8A	DMA page register
0A0-0A1	Interrupt controller 2
0C0-0DF	DMA controller
1F0-1F8	Fixed disk
278-27F	Reserved (Parallel port 2,LTP3)
2E8-2EF	Reserved (Series port 4)
2F8-2FF	Serial port 2
378-37F	Parallel printer port 1 (LPT 2)
3B0-3BF	Monochrome display and printer adapter (LPT1)
3D0-3DF	Color/graphics monitor adapter
3E8-3EF	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)

B.2 1st MB Memory Map

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

*If Ethernet boot ROM is disabled (Ethernet ROM occupies about 16 KB)

*E0000 - EFFFF is reserved for BIOS POST

B.3 DMA channel assignments

Table B.3: DMA channel assignments

ChannelFunction

0Available

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