Service manual

2-8 Getting Started with Logical Partitions
2.4 Memory Allocation
2.4.1 Two Partitions
The console firmware assigns memory to partitions such that an as-
near-to-equal-as-possible amount of memory is given to each partition.
Figure 2–4 Memory Allocation with Two Partitions
A. Two (or four) memories of the same size: 1 (or 2) memories to each partition.
B. Three or five memories of same size: largest amount of memory to partition 0,
next-largest to partition 1.
2-Gbyte
2-Gbyte
2-Gbyte
2-Gbyte
2-Gbyte
1-Gbyte
4-Gbyte
Partition 0
Partition 0
Partition 0
Partition 0
Partition 1
Partition 1
Partition 1
Partition 1
2-Gbyte
2-Gbyte
2-Gbyte 2-Gbyte
2-Gbyte
1-Gbyte
2-Gbyte
2-Gbyte
1-Gbyte
1-Gbyte
1-Gbyte
2-Gbyte
Partition 0
Partition 1
Two to five memories of varying size: largest module to partition 0,
smallest module to partition 1, the rest allocated as equally as possible.
BX-0199D-99
(Partition 1 has
more memory)
(Partition 1 has
more memory)
(Partition 0 has
more memory)
C.
(1)
(2)
(1) (2)
(3)