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Intel "Zappa" Motherboard

Appendix D Memory Map

Address Range (Decimal)
Address Range (hex)
Size
Description
1024K-131072K
100000-8000000
127M
Extended Memory
960K-1023K
F0000-FFFFF
64K
AMI System BIOS
952K-959K
EE000-EFFFF
8K
FLASH Boot Block (Available as UMB)
948K-951K
ED000-EDFFF
4K
ESCD (Plug and 'Play configuration area)
944K-947K
EC000-ECFFF
4K
OEM LOGO (available as UMB)
896K-943K
E0000-EBFFF
48K
BIOS RESERVED (Currently available as UMB)
800K-895K
C8000-DFFFF
96K
Available HI DOS memory (open to ISA and PCI bus)
640K-799K
A0000-C7FFF
160K
Available HI DOS memory (open to ISA and PCI bus)
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 D-1. Advanced/ZP Memory Map

The table above details the Advanced/ZE memory map. The ESCD area from ED000-EDFFF is not available for use as an Upper Memory Block (UMB) by memory managers. The area from E0000-EBFFF 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.


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Intel Corporation disclaims all warranties and liabilities for the use of this document and the information contained herein, and assumes no responsibility for any errors which may appear in this document. Intel makes no commitment to update the information contained herein, and may make changes at any time without notice. There are no express or implied licenses granted thereunder to any intellectual property rights of Intel Corporation or others to design or fabricate Intel integrated circuits or integrated circuits based on the information in this document. Contact your local sales office to obtain the latest specifications before placing your order.

Information in this document is provided in connection with Intel products. Intel assumes no liability whatsoever, including infringement of any patent or copyright, for sale and use of Intel products except as provided in Intel's Terms and Conditions of Sale for such products. Intel retains the right to make changes to these specifications at any time, without notice. Microcomputer Products may have minor variations to this specification known as errata.

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