: Read, write, and backup critical firmware modules and ROM. This is essential for fixing "dead" drives where the PCB needs to be replaced and BIOS chips swapped.

| Family | Controller | ROM size | Key defect | |--------|------------|----------|-------------| | Legacy (pre-2008) | WD Rome | 128KB | Simple P-List | | Marvel (2008-2015) | 88i88xx / 88i93xx | 256KB+ | ROM locked, slow responding | | Newer (2015+) | US20SAB | 512KB | Encrypted SA |

: Provides a script editor to start, stop, and monitor factory-level self-tests. The Verdict WD Marvel Repair Tool – Utility to recover HDD WD Marvel