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PCM-4153 User Manual
Appendix B
S
ystem
Assignments
B.2
1st MB Memory Map
B.3
DMA Channel Assignments
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
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
* Audio DMA select 1, 3, or 5
** Parallel port DMA select 1 (LPT2) or 3 (LPT1)
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Страница 8: ...PCM 4153 User Manual viii D 1 GPIO Function Its Call by Int15 Hook 66...
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Страница 45: ...37 PCM 4153 User Manual Chapter 5 Audio Setup 6 Click on continue anyway 7 Click on finish...
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Страница 53: ...Appendix A A Pin Assignments This appendix contains informa tion of a detailed or specialized nature...
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Страница 71: ...Appendix C C Mechanical Drawings...
Страница 73: ...Appendix D D Prog GPIO Watchdog Timer...
Страница 77: ...69 PCM 4153 User Manual Appendix D Prog GPIO Watchdog Timer...