User Guide Desktop PC Equity 386SX/16 PLUS

System Memory Map
OOOFFFFFFh
000FF0000h
000FE0000h
00100000h
000F0000h
000E0000h
000C8000h
000C0000h
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