PPC405S_err_10
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Errata Notice
PowerPC 405-S Embedded Processor Core
Version 1.0
June 16, 2008 - IBM Confidential
Page 1
Introduction
This document describes errata and provides design notes that affect designs using the IBM PowerPC® 405-
S Embedded Processor Core. Each erratum includes an overview, a description of the system impact, and a
description of possible workarounds. Design notes cover items that are not considered errata, but need a
description beyond what is provided in the published documentation.
Table 1 on page 2 identifies errata
affecting cores by version. Table 2 on page 2 and Table 3 on page 3 contain a summary of all errata and
design notes.
Errata are listed in numeric order. Gaps in the numeric sequence are intentional; only applicable items are
included in this document.
Category Definitions
Errata are classified according to system impact and availability of a workaround.
1. Major impact; no workaround is available. A problem is said to have a major impact if it results in a system
crash, a hard failure, an unrecoverable soft failure, significant performance degradation, or the storage of
incorrect data.
2. Major impact; a workaround is impractical to implement, or a substantial risk of encountering the same or
additional problems, including performance issues, exists after the workaround is implemented.
3. Major impact; a workaround is available. Application of the workaround either eliminates the problem, or
reduces it to a minor impact issue.
4. Minor impact; no workaround is available. Minor impact problems result in slight to moderate performance
degradation, or are a functional variance from specification.
5. Minor impact; a workaround is available. Minor impact problems result in slight to moderate performance
degradation, or are a functional variance from specification.
6. Design enhancement.
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