MIO-2270 User Manual
80
C.1
System I/O Ports
C.2
First MB Memory Map
Table C.1: System I/O Ports
Addr. Range (Hex)
Device
000-02F
DMA controller
020–02D
Interrupt controller
040-04F
System resource
050–052
Timer / Counter
060-06F
8042 (keyboard controller)
070-07F
Real-time clock, non-maskable interrupt (NMI) mask
080-09F
DMA page register
0A0-0FF
System resource
0C0-0DF
DMA controller
0F0-0FF
System resource
12E-12F
System resource
2F8-2FF
Serial Port 2
3C0-3DF
System resource
3F8-3FF
Serial Port 1
400-4FF
System resource
500-5FF
System resource
680-6FF
System resource
800-8FF
System resource
B00-B3F
System resource
C00-CFF
System resource
Table C.2: First MB Memory Map
Addr. Range (Hex)
Device
F0000h - FFFFFh
System ROM
D0000h – E7FFFh
Unused (reserved for Ethernet ROM)
C0000h – CFFFFh
Expansion ROM (for VGA BIOS)
B8000h - BFFFFh
CGA/EGA/VGA text
A0000h - B7FFFh
EGA/VGA graphics
00000h - 9FFFFh
Base memory
Содержание MIO-2270
Страница 9: ...MIO 2270 User Manual viii...
Страница 30: ...Chapter 3 3 BIOS Settings...
Страница 52: ...Chapter 4 4 S W Introduction and Installation...
Страница 64: ...Appendix A A Pin Assignments...
Страница 74: ...63 MIO 2270 User Manual Appendix A Pin Assignments...
Страница 76: ...65 MIO 2270 User Manual Appendix A Pin Assignments...
Страница 78: ...67 MIO 2270 User Manual Appendix A Pin Assignments...
Страница 85: ...MIO 2270 User Manual 74...
Страница 86: ...Appendix B B WDT and GPIO...
Страница 89: ...MIO 2270 User Manual 78...
Страница 90: ...Appendix C C System Assignments...