The following lists the release history of this document:
October 2015, Added Sun Fire X4150, X4250, and X4450 server firmware update section.
September 2015, Change title to Sun Fire X4150, X4250, and X4450 Server Product Feature Updates. Added Sun Fire X4150, X4250, and X4450 server firmware updates.
November 2012, initial publication. Legacy product documentation is still available (archive mode only as of February 2010) at: http://docs.oracle.com/cd/E19121-01/sf.x4150/index.html