Understand the memory requirement for a primary partition.
The minimum memory required by the primary partition may change if you install a new i5/OS™ software release. A logical partition configuration error may occur if the minimum memory value is insufficient. Use iSeries™ Navigator to change the minimum and maximum memory value for each partition.
Note - SRC Error B600 5390: When installing a new release to a partition, this error usually indicates that the partition to which you are installing does not have enough minimum memory to restart. To increase the minimum memory for the partition, you must reconfigure the partition's memory using iSeries Navigator or the character-based interface. When reconfiguring, the system will provide suggested memory minimums.
For more information on installing i5/OS, refer to Install the i5/OS release and related software.