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C120-E093-04EN
CHAPTER 4 Hardware Overview
4.3
CPU Module
This section describes the CPU module.
4.3.1
Overview of CPU Module
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The CPU module consists of a SPARC V9 architecture-conforming SPARC64 GP processor
and the external cache.
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One System Board allows up to four CPU modules.
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To improve the reliability of the system, Error Checking and Correction (ECC) is deployed.
ECC is also used to check errors in the primary cache and secondary cache of the CPU.
For CPU module expansion, contact a certified service engineer.
Figure 4.5 CPU Module
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