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Monday, April 30, 2012

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. HDAT2 program has 2 levels:

  • Drive level testing - main function is testing and repair (to regenerate) bad sectors for detected devices
    - you get much information about detected devices

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

  • fully implemented commands: SET MAX, SET SECURITY, Device Configuration Overlay (DCO)
  • device access with interrupt 13h, direct via ATA ports, with ASPI drivers
  • detects ATA/ATAPI/SATA devices with on-board and add-on controllers
  • detects devices on AHCI/RAID controllers (just only on ports 0-3)
  • 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 (so far version 4.5.3 only)
  • many different test-functions for hard drives
  • resize hard drives which supports SET MAX ADDRESS/EXT
    (supports 28/48-bits LBA addressing modes)
  • drive lock detection via security feature (Security Menu)
  • S.M.A.R.T. functions for ATA/SATA and SCSI 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)

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