System Memory Map

OOOFFFFFFh

0 0 0 F F 0 0 0 0 h

0 0 0 F E 0 0 0 0 h

0 0 1 0 0 0 0 0 h

0 0 0 F 0 0 0 0 h

0 0 0 E 0 0 0 0 h

0 0 0 C 8 0 0 0 h

0 0 0 C 0 0 0 0 h

System BIOS ROM: 64KB

Duplicated from 0F0000h

Reserved for system board: 64KB

Duplicated from 0E0000h

1 6 M B

( M a x i m u m system

m e m o r y )

Extended memory

1 M B

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

0 0 0 A 0 0 0 0 h

 

640KB

Conventional system memory: 640KB

0 0 0 0 0 0 0 0 h

Specifications A-5