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ATAboy Launches: Open-Source Bridge Lets PCs Read CHS‑Era IDE Drives

The RP2350-based tool ships on GitHub with optional prebuilt hardware, with experimental firmware limited to USB 1.1.

Overview

  • ATAboy presents classic IDE disks to modern hosts as standard USB Mass Storage, requiring no special drivers on Windows, Linux or macOS.
  • Support extends to the oldest CHS-only, PIO Mode 0 drives that many modern LBA‑only adapters cannot handle.
  • A BIOS‑style serial interface offers Auto Detect & Set Geometry, manual CHS entry, and EEPROM saves for automatic mounting.
  • The board’s USB‑C connector does not provide power delivery, so legacy hard drives must be powered by an external supply.
  • The project is GPLv3/CERN‑OHL‑W licensed, available with source and docs plus prebuilt units via ObsoleteTech, and the author warns of an IPC re‑entry bug and generally slow, experimental firmware.