Complex sentence: The first revenue shipments of Bulldozer-based Opteron processors was announced on September 7,2011, with announcement of Zambezi parts expected to occur later in 2011 or in Q1 of 2012.
Split into simpler sentences: The first revenue shipments of Bulldozer-based Opteron processors was announced on September 7,2011. Latter Zambezi parts expected to occur later in 2011 or in Q1 of 2012.