MHDD self-extracting floppy image

MHDD is the most popular freeware program for low-level HDD Diagnostics. MHDD supports these Interfaces: IDE, Serial ATA, SCSI. Also there is a possibility to access an USB storage, there are drivers for emulation (USB->SCSI). This software can make PRECISE diagnostic of the mechanical part of a drive, view SMART attributes, perform Low-level format, bad Sector repair, different tests and tens of other functions.