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POD-6552 A2 User Manual
Appendix D
S
ystem
Assignment
D.2
1st MB memory map
D.3
DMA channel assignments
Table D.2: 1st MB memory map
Addr. Range (Hex)
Device
F0000h-FFFFFh
System ROM
D0000h-EFFFFh
Unused(reserved for Ethernet ROM)
C0000h-CFFFFh
Expansion ROM(for VGA BIOS)
B8000h-BFFFFh
CGA/EGA/VGA text
B0000h-B7FFFH
Unused
A0000h-AFFFFh
EGA/VGA graphics
00000h-9FFFFh
Base memory
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
Содержание POD-6552 A2
Страница 1: ...User Manual POD 6552 A2...
Страница 6: ...POD 6552 A2 User Manual vi...
Страница 10: ...POD 6552 A2 User Manual x...
Страница 29: ...Chapter 3 3 BIOS Operation Sections include BIOS Introduction BIOS Setup...
Страница 46: ...POD 6552 A2 User Manual 36...
Страница 47: ...Chapter 4 4 S W Introduction Installation...
Страница 60: ...POD 6552 A2 User Manual 50...
Страница 61: ...Chapter 5 5 Extension I O Installation...
Страница 63: ...Appendix A A Pin Assignments...
Страница 81: ...Appendix B B Optional Extras for the POD 6552...
Страница 83: ...Appendix C C Watchdog Timer...
Страница 86: ...POD 6552 A2 User Manual 76...
Страница 87: ...Appendix D D System Assignment...
Страница 91: ...Appendix E E Electrical Specifications...
Страница 93: ...83 POD 6552 A2 User Manual Appendix E Electrical Specifications...