IBM XT 5160 Technical Reference page 30

Start Address Function
Decimal
I
Hex 64/256K
&
256/640K
640K
AOOOO
656K
A4000
672K A8000 128K Reserved
688K ACOOO
704K BOOOO Monochrome
736K
B8000 Color/Graphics
752K
BCOOO
768K
COOOO Enhanced Graphics
784K C6000 Professional Graphics
800K c8000 Fixed Disk Control
816K CCOOO PC Network
832K DOOOO Cluster
848K D4000
864K D8000
192K Read Only Memory
880K DCOOO Expansion and Control
896K EOOOO
912K E4000
928K E8000
944K
ECOOO
960K
FOOOO
976K
F4000 64K Base system
992K
F8000
BIOS and BASIC ROM
1008K FCOOO
System Memory Map (Part 2 of 2)
System
Board
1-9