Prepare to convert the expansion unit

Describes how to prepare for the expansion unit conversion.

1. Resequence SPCN addressing.
2. Document and prepare the server.

• Resequence SPCN addressing
  Resequence the system power control network (SPCN) addressing, before generating any printouts. This ensures that when the IBM^® service representative performs the SPCN address resequencing after the expansion unit conversion, minimal sequencing changes occur.
• Document and prepare the server
  Ensure that the currently installed server and logical partitions are fully documented before the service representative arrives to perform the expansion unit conversion. Make sure that these documents represent the most recent configuration of the server and that no hardware changes have been made since printing the documentation. If changes are made before the service representative arrives, print the server and LPAR partition documentation again.