存储器诊断单元使第二处理器执行存储器诊断程序来对主存储器进行诊断，并识别主存储器中的缺陷区。
The memory-diagnostic unit causes the second processor to execute a memory-diagnostic program to diagnose the main memory, and identifies a defective area in the main memory.
“二进制兼容性概述”中的最后一个示例涉及到了在不同的处理器类型中运行二进制代码——POWER 4处理器和POWER 5处理器。
The last example under "Overview of binary compatibility" involved running a binary on two different processor types — a POWER4 processor and a POWER5 processor.
POWER 5处理器包含了对POWER 4架构的改进，同时保持了两者间的二进制兼容性，这就使得您可以在这两个平台上运行相同的应用程序。
The POWER5 architecture contains enhancements to the POWER4 architecture while maintaining binary compatibility between the two, which allows you to run the same application on both platforms.
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