Specifications

TME-EPIC-HURLX-R3V5.docx
Rev 3.5
Page 46 of 49
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)
Siz
e
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