User`s guide

Device Mapping
B-2
CPU Memory Address Map
Address Range Function
Size
00000 to 7FFFF Main memory
512 KB
80000 to 9FFFF Main/PCI/EISA/ISA memory
128 KB
A0000 to BFFFF PCI/EISA/ISA video buffer
memory
128 KB
C0000 to C7FFF Video memory BIOS
32 KB
C8000 to DFFFF PCI/EISA/ISA expansion
board BIOS and buffer
memory
96 KB
E0000 to E7FFF EISA/ISA/PCI adapter RAM
after POST completes
Used by BIOS Setup during
POST
32 KB
E8000 to EFFFF EISA/ISA and buffer memory
32 KB
F0000 to FFFFF System BIOS memory
64 KB