Advantech PCM-5864L Manuel d'utilisateur Page 133

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Appendix D System Assignments 121
D.2 1st MB memory map
Table D-2: 1st MB memory map
Addr. range (Hex) Device
F000h - FFFFh System ROM
**DC00h - EFFFh Unused
*CC00h - DBFFh Ethernet ROM
C000h - CBFFh Expansion ROM (for VGA BIOS)
B800h - BFFFh CGA/EGA/VGA text
B000h - B7FFh Unused
A000h - AFFFh EGA/VGA graphics
0000h - 9FFFh Base memory
* If Ethernet boot ROM is enabled
** E0000 - EFFFF is reserved for Pentium
®
POST
D.3 DMA channel assignments
Table D-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
* Audio DMA select 1, 3, or 5
** Parallel port DMA select 1 or 3
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