Processor Memory Address Map - Digital Equipment 3100R Series Service Maintenance Manual

Device Mapping

Processor Memory Address Map

Address Range
00000 to 9FFFF
A0000 to BFFFF
C0000 to C7FFF
C8000 to DFFFF
E0000 to EFFFF
F0000 to FFFFF
7-2
Function
Main memory
PCI/EISA/ISA video buffer
memory
Video memory BIOS
PCI/EISA/ISA expansion board
BIOS and buffer memory
EISA/ISA adapter RAM (non-
shadow)
System BIOS memory
Size
640 KB
128 KB
32 KB
96 KB
64 KB
64 KB