Hardware Information; Power7 Chip - IBM Power Systems 775 Manual

Because most of the nodes are diskless nodes, the service nodes provide the operating
system to the diskless nodes. The HFI network also is used to boot the diskless utility nodes.
The Power 775 Availability Plus (A+) feature allows processors, switching hubs, and HFI
cables immediate failure-recovery because more resources are available in the system.
These resources fail in place and no hardware must be replaced until a specified threshold is
reached. For more information, see 5.4, "Power 775 Availability Plus" on page 297.
The IBM Power 775 cluster solution provides High Performance Computing clients with the
following benefits:
Sustained performance and low energy consumption for climate modeling and forecasting
Massive scalability for cell and organism process analysis in life sciences
Memory capacity for high-resolution simulations in nuclear resource management
Space and energy efficient for risk analytics and real-time trading in financial services

1.4 Hardware information

This section provides detailed information about the hardware components of the IBM Power
775. Within this section, there are links to IBM manuals and external sources for more
information.

1.4.1 POWER7 chip

The IBM Power System 775 implements the POWER7 processor technology. The PowerPC®
Architecture POWER7 processor is designed for use in servers that provide solutions with
large clustered systems, as shown in Figure 1-1 on page 5.
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IBM Power Systems 775 for AIX and Linux HPC Solution