Apollo 150 III, 120 III user manual Address range Hex Device, Apollo 120/150 155

	User Manual version 2305
D: First MB Memory Map
Address range (Hex)	Device
F000h-FFFFh	System ROM
CC00h-EFFFh	Unused
C000h-CBFFh	Expansion ROM
B800h-BFFFh	CGA/EGA/VGA text
B000h-B7FFh	Unused
A000h-AFFFh	EGA/VGA graphics
0000h-9FFFh	Base memory
D000-D7FFH	DiskOnChipâ(Default)

APOLLO 120/150 III 8-155