MIO-5270 User Manual
58
B.1
System I/O Ports
B.2
1st MB memory map
Table B.1: System I/O Ports
Addr. Range (Hex)
Device
000-01F
DMA Controller
20h-2Dh
Interrupt Controller
50h-52h
Timer/Counter
060-06F
8042 (keyboard controller)
070-07F
Real-time clock, non-maskable interrupt (NMI) mask
080-09F
DMA page register
0A0-0BF
0A0-0BF
0C0-0DF
DMA controller
170h-177h
IDE Controller
1F0h-1F7h
IDE Controller
299h-29Ah
EC HM Index port and Data port
29Ch-29Dh
EC Index port and Data port
2E8-2EF
Serial port 4
2F8-2FF
Serial port 2
3E8-3EF
Serial port 3
3F8-3FF
Serial port 1
Table B.2: 1st MB memory map
Addr. Range (Hex)
Device
F0000h - FFFFFh
System ROM
D0000h - EFFFFh
Unused (reserved for Ethernet ROM)
C0000h - CEFFFh
Expansion ROM (for VGA BIOS)
B8000h - BFFFFh
CGA/EGA/VGA text
B0000h - B7FFFh
Unused
A0000h - AFFFFh
EGA/VGA graphics
00000h - 9FFFFh
Base memory
Summary of Contents for MIO-5270
Page 1: ...User Manual MIO 5270 ...
Page 8: ...MIO 5270 User Manual viii ...
Page 11: ...Chapter 1 1 General Information ...
Page 17: ...Chapter 2 2 Hardware Installation ...
Page 25: ...Chapter 3 3 BIOS Settings ...
Page 42: ...MIO 5270 User Manual 32 ...
Page 43: ...Chapter 4 4 MIOe Installation ...
Page 45: ...Appendix A A Pin Assignments ...
Page 66: ...MIO 5270 User Manual 56 ...
Page 67: ...Appendix B B System Assignment ...
Page 70: ...MIO 5270 User Manual 60 ...
Page 71: ...Appendix C C Watchdog Timer Sample Code ...
Page 73: ...Appendix D D AMD G Series ...
Page 75: ...65 MIO 5270 User Manual Appendix D AMD G Series ...