Allen-Bradley 1784-KT/B - Page 18

Communication Interface Module
Cat. No. 1784KT/B
Installation Data
18
IBM PC XT System Memory Allocation W orksheet
Memory Address IBM PC XT Assignments Your System
0000:0000
3F00:0FFF
128256K Read/Write
Memory on System Board
4000:0000
9F00:0FFF
384K Read/Write Memory
Expansion in I/O Channel
A000:0000
A400:0000
A800:0000
AC00:0000
B000:0000 Monochrome
B400:0000
B800:0000 Color/Graphics
BC00:0000
C000:0000
C400:0000
C800:0000 Fixed Disk Control
CC00:0000
D000:0000
D400:0000
D800:0000
E000:0000
E400:0000
E800:0000
EC00:0000
F000:0000
FF00:0FFF
64K Base System ROM
BIOS and BASIC