摘要： 介绍Ｓｕｎ工作站ＩＯＭＭＵ的组成及其机制，在此基础上论述了Ｓｕｎ工作站的ＩＯＭＭＵ的检测过程和算法，并指出Ｓｕｎ工作站加电自检（ＰＯＳＴ）的ＩＯＭＭＵ检测功能的不足，给出了ＰＯＳＴ对ＩＯＭＭＵ的检测原则，以及完整的检测步骤．

关键词: 加电自检, 输入输出存储管理部件, 检测

Abstract: This article introduces the construction and mechanics of IOMMU,one of the most important components within Sun SPARC, gives details of the method employed by POST in SPARC's BOOTPROM to test it and points the deficiency out of it.Finially we present a more integral way to test IOMMU and present the procedure.

中图分类号: 

• TP316