MBR 状态混乱

MBR 状态混乱

EB58 90 6D 6B 64 6F 73 66 73 00 00 02 08 20 00 02 00 00 00 00 F8 00 00 3E 00 83 00 00 00 00 00 94 88 7E 00 98 1F 00 00 00 00 00 00 02 00 00 00 01 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 29 A9 38 B1 34 57 61 76 65 20 20 20 20 20 20 20 46 41 54 33 32 20 20 20 0E 1F BE 77 7C AC 22 C0 74 0B 56 B4 0E BB 07 00 CD 10 5E EB F0 32 E4 CD 16 CD 19 EB FE 54 68 69 73 20 69 73 20 6E 6F 74 20 61 20 62 6F 6F 74 61 62 6C 65 20 64 69 73 6B 2E 20 20 50 6C 65 61 73 65 20 69 6E 73 65 72 74 20 61 20 62 6F 6F 74 61 62 6C 65 20 66 6C 6F 70 70 79 20 61 6E 64 0D 0A 70 72 65 73 73 20 61 6E 79 20 6B 65 79 20 74 6F 20 74 72 79 20 61 67 61 69 6E 20 2E 2E 2E 20 0D 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 AA

学习磁盘记录,这是我的 USB MBR 记录,在 ubuntu 上用 bless 查看,使用磁盘实用程序格式化为 MBR 表和 FAT 分区,参考这个维基百科第一条记录

状态(0x80 = 可启动(活动)、0x00 = 不可启动、其他 = 无效)

但我的 MBR 显示第一个偏移量为EB。 (第一个字节)

什么此记录代表什么?另外,您能为我提供有关 MBR 和其他磁盘记录的良好表格/图像教程吗 :)

答案1

你混淆了主引导记录分区表

维基百科页面关于主引导记录您链接到的详细解释了布局:

  • 第一个440字节构成代码区域,其中包含引导加载程序。

    引导加载程序是一个可以被 BIOS 调用的小程序。

  • 接下来的6字节完全是选修的

    它们可能包含磁盘签名(通常是4字节)和(通常是2)尾随00字节。

  • 只有接下来的64字节(16四个可能的主分区中的每个分区的四个字节条目)构成分区表

  • 最后两个字节始终55 AAMBR 签名

在您的示例中,分区表完全由00字节组成,这意味着您的设备不包含分区。

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