Are you dealing with (HPA) or disk size restriction (DCO)? Are you using it for forensics or data recovery ?

Identify if the drive's capacity is being restricted by DCO.

ATATOOL /SETHPA10GB \\.\PhysicalDriveX (Sets a temporary 10GB limit) Note: To completely reset an HPA to native, a full SETDCO or a "reset" command is usually required depending on how the HPA was set. Limitations and Important Notes

It lists attached SATA/PATA devices, reporting on model numbers, serial numbers, and existing limitations. Common Use Cases for ATATool

In the specialized world of digital forensics and IT storage management, having the right tools for low-level drive manipulation is crucial. While many tools exist for drive imaging, fewer handle the intricate details of ATA drive configuration with precision. stands out as a powerful, specialized freeware utility designed for professionals to display and modify ATA disk information directly from a Windows environment.

Use the SETHPA command to adjust or remove an existing HPA to access the hidden data area. 2. Device Configuration Overlay (DCO) Management

ATATool operates via the Windows Command Prompt. Below are some common usage scenarios provided by the developer: ATATOOL /LIST

When a seized hard drive seems to have less space than its label indicates, ATATool can reveal if an HPA or DCO was used to hide evidence.