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发表于 2010-5-15 23:46:08
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http://en.wikipedia.org/wiki/Master_Boot_Record
By convention, there are exactly four primary partition table entries in the MBR Partition Table scheme
The partition table may also contain entries for other, secondary partitions which are stored in extended boot records (EBRs), BSD disklabels, and Logical Disk Manager metadata partitions that are described by those primary entries.
http://en.wikipedia.org/wiki/Extended_boot_record
In that system, when one (and only one) partition record entry in the Master Boot Record (MBR) is designated an "extended partition," then that partition can be subdivided into a number of logical drives. |
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