Справочник Пользователя для Intel 281809-003
Advanced/RH Technical Product Specification
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Page 28
Appendix C
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Memory Map
Address Range
Address Range
Size
Description
1024K-512M
100000-20000000
511M
Extended Memory
960K-1023K
F0000-FFFFF
64K
AMI System run time BIOS
944K-959K
EC000-EFFFF
16K
Main BIOS Recovery Code
936K-943K
EA000-EBFFF
8K
ESCD (Plug ‘N’ Play configuration area)
928K-935K
E8000-E9FFF
8K
OEM LOGO (available as UMB)
896K-927K
E0000-E7FFF
32K
BIOS RESERVED (Currently available as UMB)
800-895K
C8000-DFFFF
96K
Available HI DOS memory (open to ISA and PCI bus)
640K-799K
A0000-C7FFF
160K
Off-board video memory and BIOS
639K
9FC00-9FFFF
1K
Extended BIOS Data (moveable by QEMM, 386MAX)
512K-638K
80000-9FBFF
127K
Extended conventional
0K-511K
00000-7FFFF
512K
Conventional
Table C-1. Advanced/RH Memory Map
The table above details the Advanced/RH memory map. The ESCD area from EA000-EBFFF is not available for use
as an Upper Memory Block (UMB) by memory managers. The area from E0000-E7FFF is currently not used by the
BIOS and is available for use as UMB by memory managers. Parts of this area may be used by future versions of the
BIOS to add increased functionality.
as an Upper Memory Block (UMB) by memory managers. The area from E0000-E7FFF is currently not used by the
BIOS and is available for use as UMB by memory managers. Parts of this area may be used by future versions of the
BIOS to add increased functionality.