HDAT2 - Related Programs

HDAT2 7.4 ALL-IN-ONE BOOT version

HDAT2 7.4

  • Evaluate:
    51 Rated
  • Operating system:
    Windows XP, Vista, 7, 8, 10, 11
  • Language: English
  • Version: 7.4
  • Latest updated:
  • License: Freeware
  • Publisher: HDAT2
  • File size: 10 Mb
  • Download: 711

Download HDAT2 7 for Windows XP, Vista, 7, 8, 10, 11 - A program for test or diagnostics of ATA/ATAPI/SATA, NVMe, SSD and SCSI/USB devices


HDAT2 is program for test or diagnostics of ATA/ATAPI/SATA, SSD and SCSI/USB devices. It will not execute in a DOS session under Windows. You should make a DOS boot floppy disk or CD/DVD and boot your system for it and execute this program from that floppy disk or CD-ROM.

Features of HDAT2

  • Fully implemented commands: SET MAX, SET SECURITY, Device Configuration Overlay (DCO) and other
  • Device access with interrupt 13h, direct via ATA/AHCI ports, with ASPI drivers
  • Detects ATA/ATAPI/SATA/NVMe devices with on-board and add-on controllers
  • Detects devices on AHCI and some RAID controllers
  • Detects USB devices via USB ASPI driver or BIOS (if supported)
  • Detects SCSI hard drives via BIOS interrupt 13h or ASPI drivers
  • Other SCSI devices are detected via ASPI drivers only (must be loaded before);
  • With ASPI drivers you will get more information about SCSI devices
  • Test and repair device for bad sectors
  • Many different test-functions for hard drives
  • Resize ATA/SATA hard drives which supports SET MAX ADDRESS/EXT
  • (supports 28/48-bits LBA addressing modes)
  • Resize and change sector size of SCSI disks
  • Drive lock detection via security feature (Security Menu)
  • S.M.A.R.T. functions for ATA/SATA,SCSI and NVMe drives only
  • Information about devices (ATA/ATAPI, BIOS interrupt 13h, ASPI, EDD)
  • Sector viewer for devices (also for USB, ZIP, CD-data discs) to access ATA/SATA CD/DVD drive you don't need any driver or MSCDEX
  • Enable/disable some features for direct-access devices
  • Device Configuration Overlay (DCO) feature set
  • (you can restore a full capacity or allow/disallow some feature sets of hard drive)
  • SATA/NVMe: converts between 512e logical sector size and 4Kn, if supported.

HDAT2 program has 2 levels:

Device testing

  • Main function is testing and repair (to regenerate) bad sectors for detected devices
  • You get much information about detected devices

File system testing

  • R- read/find/check items (MBR, boot, directories, etc.) of file system FAT12/16/32
  • Check/remove (regenerates) bad sectors records, flags in FAT table.

Program notice:

  • HDAT2 is running in DOS protected mode and is compiled with a free 32-bits Free Pascal compiler v3.2.0.
  • Both program's level ('drive' and 'file') are integrated into one program.

Minimal configuration:

  • CPU 386/486 with co-processor or higher
  • RAM 1 MB or more
  • DOS boot system.
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