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On Sunday 21 November 2010 16:22:15 David W Noon wrote: |
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> What I suspect is in the remainder of that space is a hidden primary |
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> partition containing a "transparent" bootstrap that augments the BIOS |
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> and permits booting from a logical/extended partition. This would be |
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> similar to the old OS/2 Boot Manager, although that was hardly |
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> transparent. This hidden partition was probably placed there by |
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> cfdisk when you first partitioned the drive and started it with an |
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> extended partition. The OS/2 FDISK.COM did something similar when |
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> the first partition on a drive was not a primary (including Boot |
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> Manager). |
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> |
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> A forensic examination of that area would be of interest. |
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Including attempting creation of three more primary partitions. If your |
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hunch is right, the last will not be created as the allowable four exist |
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already. |
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I don't believe your hunch is right though - it's just too complex to be |
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worthwhile for any but a very few customers. |
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Nobody's answered my parenthetical question though: why do SCSI and IDE |
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interfaces allow different total numbers of partitions? Has one of them |
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stolen a bit for more urgent use elsewhere? |
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-- |
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Rgds |
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Peter. Linux Counter 5290, 1994-04-23. |
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