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DISK_INT13_INFO structure (winioctl.h)

Contains standard Int13 drive geometry parameters.

Syntax

typedef struct _DISK_INT13_INFO {
  WORD  DriveSelect;
  DWORD MaxCylinders;
  WORD  SectorsPerTrack;
  WORD  MaxHeads;
  WORD  NumberDrives;
} DISK_INT13_INFO, *PDISK_INT13_INFO;

Members

DriveSelect

The letter that is related to the specified partition or hard disk. For valid values, see the BIOS documentation.

MaxCylinders

The maximum number of cylinders per head. For valid values, see the BIOS documentation.

SectorsPerTrack

The number of sectors per track. For valid values, see the BIOS documentation.

MaxHeads

The maximum number of heads for this hard disk. For valid values, see the BIOS documentation.

NumberDrives

The number of drives. For valid values, see the BIOS documentation.

Requirements

Requirement Value
Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Header winioctl.h (include Windows.h)

See also

DISK_DETECTION_INFO