TME-104P-CSR-LX800-R1V11.doc
Rev 1.11
47 (50)
5
Address Maps
This section describes the layout of the CPU memory and I/O address spaces.
Note
Depending on enabled or disabled functions in the BIOS, other or more
resources may be used
5.1
Memory Address Map
Address range (dec)
Address range (hex)
Size
Description
1024K - 16384K
100000 - FFFFFF
15360K
Extended memory
896K - 1024K
E0000 - FFFFF
128K
System BIOS
800K - 896K
C8000 - DFFFF
96K
Mapped to ISA (default)
768K - 800K
C0000 - C7FFF
32K
Graphics BIOS
736K - 768K
B8000 - BFFFF
32K
Color text memory
704K - 736K
B0000 - B7FFF
32K
Monochrome text memory
640K - 704K
A0000 - AFFFF
64K
Graphics memory
639K - 640K
9FC00 - 9FFFF
1K
EBDA
0K - 639K
0 - 9FBFF
639K
Conventional memory