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Appendix B. I/O Address Map
•
I/O Address Map
I/O address
Description
000-00F DMA
Controller
020-021 Interrupt
Controller
040-043 System
time
060-060
Standard 101/102 Keyboard Controller
061-061 System
Speaker
070-071
System CMOS/Real time Clock
081-083 DMA
Controller
0A0-0A1 Interrupt
Controller
0C0-0DF DMA
Controller
0F0-0FF
Numeric data processor
1F0-1F7
Primary IDE Channel
2F8-2FF Communications
Serial Port 2 (COM2)
378-37F
Parallel Printer Port 1 (LPT1)
3B0-3BB
Intel (R) 82852/82855GM/GME Graphics
Controller
3C0-3DF
Intel (R) 82852/82855GM/GME Graphics
Controller
3F6-3F6
Primary IDE Channel
3F7-3F7
Standard floppy disk controller
3F8-3FF Communications
Serial Port 1 (COM1)
1
st MB Memory Address Map
Memory address
Description
00000-9FFFF
SYSTEM MEMORY
A0000-BFFFF
VGA BUFFER
E0000-FFFFF
SYSTEM BIOS
100000
EXTEND MEMORY
*Default setting
Summary of Contents for ROCKY-6160
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