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The DISK_INT13_INFO structure is used by the BIOS to report disk detection data for a partition with an INT13 format.
DriveSelectCorresponds to the Device/Head register defined in the AT Attachment (ATA) specification. When zero, the fourth bit of this register indicates that drive zero is selected. When 1, it indicates that drive one is selected. The values of bits 0, 1, 2, 3, and 6 depend on the command in the command register. Bits 5 and 7 are no longer used. For more information about the values that the Device/Head register can hold, see the ATA specification.
MaxCylindersIndicates the maximum number of cylinders on the disk.
SectorsPerTrackIndicates the number of sectors per track.
MaxHeadsIndicates the maximum number of disk heads.
NumberDrivesIndicates the number of drives.
Contains standard Int13 drive geometry parameters.
DriveSelectThe letter that is related to the specified partition or hard disk. For valid values, see the BIOS documentation.
MaxCylindersThe maximum number of cylinders per head. For valid values, see the BIOS documentation.
SectorsPerTrackThe number of sectors per track. For valid values, see the BIOS documentation.
MaxHeadsThe maximum number of heads for this hard disk. For valid values, see the BIOS documentation.
NumberDrivesThe number of drives. For valid values, see the BIOS documentation.