Appendix A
NANO-8045 User’s Manual
System Memory Address Map
Each On-board device in the system is assigned a set of memory addresses, which
also can be identical of the device. The following table lists the system memory
address used for your reference.
Memory Area
Size
Device Description
0000-003F 1K
Interrupt
Area
0040-004F 0.3K
BIOS
Data
Area
0050-006F 0.5K
System
Data
0070-040A
14K
DOS
040B-04C6
2.9K
Program Area
04C7-9FBF
619K
[Available]
= Conventional memory ends at 639K =
9FC0-9FFF
1K
Extended BIOS Area
A000-AFFF 64K
VGA
Graphics
B000-B7FF 32K
Unused
B800-BFFF 32K
VGA
Text
C000-CE5F 57K
Video
ROM
CE60- EFFF
134K
Unused
F000-FFFF 64K
System
ROM