An approximation of the life span of your disk drive is an invaluable piece of information. SMART ( Self-Monitoring Analysis & Reporting Technology ) is an interface between a computer's BIOS (basic input/output system) and the computer hard disk, which provides information about various 'attributes' of a drive, such as 'Power on hours' and 'Temperature'. DiskCheckup uses this data to determine the overall health of your drive. DiskCheckup is licensed as freeware, full size of the download is .04 MB. You can download a free copy of DiskCheckup by following download link at Free Downloads section of this page. DiskCheckup is developed or distributed by PassMark Software and is listed under utilities disk.