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2004 Feb 27
14
BIOS disk geometry and Linux 2.6
I am working on a Linux-based boot disk for my project (http://unattended.sourceforge.net/), and I have hit a snag. Under Linux 2.6, the kernel (via HDIO_GETGEO) always reports the C/H/S geometry of an IDE drive as X/16/63. But most BIOSes want to use the geometry Y/255/63. Most partitioning tools (including Parted) will take clues from an existing partition table and adapt to the BIOS values.