Installation guide

Addressing 2-3
2.2 LSB Address Space
Figure 2-2 Virtual Address Space Layout
Figure 2-3 Physical Address Space Layouts
Figure 2-3 shows 30-bit addressing mode on the left and 32-bit addressing
mode on the right.
0000 0000


3FFF FFFF
4000 0000

7FFF FFFF
8000 0000
P0
Region

P1
Region



System
Region

Reserved Region
BXB-0199A-92
Length of P0 Region in pages (P0LR)
P0 Region growth direction
P1 Region growth direction
Length of P1 Region in pages (2**21-P1LR)
Length of System Region in pages (SLR)
System Region growth direction
FFFF FDFE
FFFF FDFF

FFFF FFFF
0000 0000

1FFF FFFF





DFFF FFFF
E000 0000

FFFF FFFF
Physical Memory
Space
(3.5 Gbytes)






I/O Space
(512 Mbytes)
0000 0000







DFFF FFFF
E000 0000

FFFF FFFF
Physical Memory
Space
(512 Mbytes)


Inaccessible
Region


I/O Space
(512 Mbytes)
BXB-0198-92