1St Mb Memory Map; Dma Channel Assignments - EMAC PCM-9340F-0CA1 User Manual

D.4 1st MB memory map
Table D.4: 1st MB memory map
Addr. range (Hex)
F000h - FFFFh
E000 - EFFF
CC00 - DFFF
C800 - CBFF*
C000h - C7FFh
B800h - BFFFh
B000h - B7FFh
A000h - AFFFh
0000h - 9FFFh
*default setting
D.5 DMA channel assignments
Table D.5: DMA channel assignments
Channel
0
1
2
3
4
5
6
7
* Audio DMA select 1, 3, or 5
** Parallel port DMA select 1 (LPT2) or 3 (LPT1)
Device
System ROM
Unused
available
Ethernet ROM
VGA BIOS
CGA/EGA/VGA text
Reserved for graphic mode usage
EGA/VGA graphics
Base memory
Function
Available
Available (audio)
Floppy disk (8-bit transfer)
Available (parallel port)
Cascade for DMA controller 1
Available
Available
Available
105 Appx. D