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Epson EL 4S/33+
System Memory Map
System l/O Address Map
000FFFFFFh
000FF0000h
000FE0000h
00100000h
000F0000h
000C8000h
000C0000h
000A0000h
System BIOS ROM: 64KB
Dupliated from 0F0000h
Reserved for system board: 64KB
Duplicated from 0E0000h
Extended memory
System BlOS ROM: 64KB
Default Shadow RAM duplicated at FF0000h
Unused or l/O expansion ROM 160KB
Reserved for ROM on I/O adapters
VGA BlOS ROM: 32KB
Default shadow RAM
VGA text
(color): 32KB
Unused or VGA text
(monochrome): 32KB
Video memory: 64KB
Reserved for graphics display buffer
16MB (Maximum
system memory)
1MB
640KB
12/93
Epson EL 4S/33+ - 7