HDINFO is a tool which provides information about ATA devices installed on your system.
Features:
Can help determine whether 48-bit LBA device is properly connected to your system.
Includes BIOS test for 48-bit LBA which will run on any system with any OS.
Works with hard drives which have not been partitioned.
Reports OS information you need to know for 48-bit LBA support.
Provides information about various ATA modes useful to determine if BIOS has configured your hard drive for maximum performance.