Large Disk mini-HOWTO: Kernel disk translation for IDE disks

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If the Linux kernel detects the presence of some disk manager on an IDE disk, it will try to remap the disk in the same way this disk manager would have done, so that Linux sees the same disk partitioning as for example DOS with OnTrack or EZ-Drive. However, NO remapping is done when a geometry was specified on the command line – so a `hd=cyls,heads,secs‘ command line option might well kill compatibility with a disk manager.

The remapping is done by trying 4, 8, 16, 32, 64, 128, 255 heads (keeping H*C constant) until either C

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