If you are performing inband updates to firmware on blade servers operating as a single partition in a scalable blade complex, updates made to the firmware on the primary blade server are also applied to the secondary blade server.
You can obtain the firmware updates from the http://www.ibm.com/support/ fixcentral/systemx/groupView? query.productGroup=ibm%2FBladeCenter.
The firmware updates that were made to the primary blade server are applied to the secondary blade server.