Use this field to change the processor-availability priority for the logical partitions selected in the list of partitions. To change the processor-availability priority for a logical partition, select the logical partition in the list of partitions, change the processor-availability priority setting here, and click Apply.
You can select any of the following processor-availability priority levels:
Alternately, you can select Use entry from below and enter a custom processor-availability priority into the field below this field.