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Appendix A
ROBO-8713 Series User’s Manual
System Memory Address Map (Only for ROBO-8713UGA)
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.
Memory Area
Size
Device Description
0000 – 003F
1K
Interrupt Area
0040 – 004F
0.3K
BIOS Data Area
0050 – 006F
0.5K
System Data
0070 – 0483
16K
DOS
0484 – 085B
15K
Program Area
085C – 9F7F
604K
[Available]
9F7F – 9F7F
0.1K
Unused
= Conventional memory ends at 638K =
9F80 – 9FFF
2K
Extended BIOS Area
A000 – AFFF
64K
VGA Graphics
B000 – B7FF
32K
Unused
B800 – BFFF
32K
VGA Text
C000 – CFFF
64K
Video ROM
D000 – D8FF
36K
ROM
D900 – DA49
5.2K
Unused
DA4A – DFFE
22K
High RAM
DFFF – E800
32K
Unused
E801 – EAFF
11K
High RAM
EB00 – EFFF
20K
Unused
F000 – FFFF
64K
System ROM
HMA
64K
First 64K Extended
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