Advantech PCM-3363, User Manual

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PCM-3363 User Manual 68
B.1 System I/O Ports
B.2 1st MB Memory Map
B.3 DMA channel assignments
* Audio DMA select 1, 3, or 5
** Parallel port DMA select 1 (LPT2) or 3 (LPT1)
Table B.1: System I/O Ports
Addr. Range (Hex) Device
000-01F DMA Controller
20h-2Dh Interrupt Controller
50h-52h Timer/Counter
060-06F 8042 (keyboard controller)
070-07F Real-time clock, non-maskable interrupt (NMI) mask
080-09F DMA page register
0A0-0BF 0A0-0BF
0C0-0DF DMA controller
170h-177h IDE Controller
1F0h-1F7h IDE Controller
2F8-2FF Serial port 2
3E8-3EF Serial port 3
3F8-3FF Serial port 1
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
Table B.3: DMA channel assignments
Channel Function
0 Available
1 Available (audio)
2 Floppy disk (8-bit transfer)
3 Available (parallel port)
4 Cascade for DMA controller 1
5 Available
6 Available
7 Available