![](http://pdfasset.owneriq.net/1/1c/11ccd0a8-6f4e-43ac-a50f-4c024c82b5b8/11ccd0a8-6f4e-43ac-a50f-4c024c82b5b8-bg79.png)
System Memory Map
000FFFFFFh
00FF0000h
000FE0000h
00100000h
000F0000h
000C8000h
000A0000h
00000000h
System BIOS ROM: 64KB
Duplicated from 0F0000h
Reserved for system board: 64KB
Duplicated from 0E0000h
Extended memory
System BIOS ROM: 64KB
Default Shadow RAM
Duplicated at FF0000h
Reserved for system board: 64KB
Duplicated at FE0000h
I/O Expansion ROM: 96KB Reserved
for ROM on I/O adapters
VGA BIOS ROM: 32KB
Default Shadow RAM
Video memory: 128KB
Reserved for graphics display
buffer
Conventional system memory: 640KB
16MB
(Maximum
system
memory)
1MB
640KB
Specifications A-5