C.2 1st mb memory map, Table c.2: 1st mb memory map, C.3 dma channel assignments – Advantech INTEL PCM-9587 User Manual
Page 75: Table c.3: dma channel assignments, 1st mb memory map, Dma channel assignments, Appendix c s ystem assignments
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PCM-9587 User Manual
Appendix C
S
ystem
Assignments
C.2
1st MB memory map
* If Ethernet boot ROM is disabled (Ethernet ROM occupies about 16 KB)
* E0000 - EFFFF is reserved for BIOS POST
C.3
DMA channel assignments
* Audio DMA select 1, 3, or 5
** Parallel port DMA select 1 (LPT2) or 3 (LPT1)
Table C.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 C.3: DMA channel assignments
Channel
Function
0
Available
1
Reserved (audio)
2
Floppy disk (8-bit transfer)
3
Available (parallel port)
4
Cascade for DMA controller 1
5
Available
6
Available
7
Available