第一级MMU条目可能包含一个无效的条目或它包含了2 第二级页表的访问时，给出了一个的总线错误的地址。

The first level MMU entry may contain an invalid entry or it contains a 2nd level page table address that gives a bus error when accessed.

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根据这一章节所做的个别通知，须以第一级别邮件发送给管理员文件上的名字和地址。

Individual notifications made pursuant to this paragraph shall be by first class mail to the name and address on file with the administrator.

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