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2-1
CHAPTER
2
System Features and Capabilities
This chapter provides information on hardware and domain configuration, resource
management, and reliability, availability, and serviceability (RAS).
■ Section 2.1, “Hardware Configuration” on page 2-1
■ Section 2.2, “Partitioning” on page 2-5
■ Section 2.3, “Resource Management” on page 2-6
■ Section 2.4, “Reliability, Availability, and Serviceability” on page 2-8
2.1 Hardware Configuration
This section describes the hardware configuration. It includes these topics:
■ CPU Module
■ Memory Subsystem
■ I/O Subsystem
■ System Bus
■ System Control
2.1.1 CPU Module
The M4000 server supports up to two CPU modules and the M5000 server supports
up to four CPU modules. The CPU module consists of two processors per module.
The CPU modules are high-performance multicore processor chips which contain an
on-chip secondary cache to minimize memory latency. These processor chips also
support the instruction retry function that enables continuous processing by retrying
instructions when any error is detected.