1.1 Highlights of the zBC121.1.1 Processor and memory1.1.2 Capacity and performance1.1.3 I/O subsystem and I/O features1.1.4 Virtualization1.1.5 Increased flexibility with z/VM-mode partitions1.1.6 IBM System z Advanced Workload Analysis Reporter1.1.7 The zAware mode logical partition1.1.8 Flash Express1.1.9 10GbE RoCE Express1.1.10 IBM zEnterprise Data Compression Express1.1.11 IBM Mobile Systems Remote1.1.12 Reliability, availability, and serviceability1.2 A technical overview of zBC121.2.1 Models1.2.2 Model upgrade paths1.2.3 Frame1.2.4 Processor drawer1.2.5 I/O connectivity: PCIe and InfiniBand1.2.6 I/O subsystems1.2.7 Coupling and Server Time Protocol connectivity1.2.8 Special-purpose features1.2.9 Reliability, availability, and serviceability1.3 Hardware Management Consoles and Support Elements1.4 IBM zEnterprise BladeCenter Extension Model 0031.4.1 Blades1.4.2 IBM WebSphere DataPower Integration Appliance XI50 for zEnterprise1.5 Unified Resource Manager1.6 Operating systems and software1.6.1 Supported operating systems1.6.2 IBM compilers