Right-click the .exe → Run as Administrator . If you do not, the USB 3.0 host controller detection will fail.
| Feature | ChipGenius v5.5x (Modern) | ChipGenius v421 Top | | :--- | :--- | :--- | | | Excellent | Good (Works in compatibility mode) | | USB 4.0 / Thunderbolt | Yes | No | | SSD Controller Detection | Yes (NVMe) | No (USB only) | | Counterfeit Drive Accuracy | Moderate (Firmware spoofing works) | Excellent (Older parser ignores spoofing) | | MP Tool Recommendation | Often "Generic" | Specific version numbers | | False Write-Protect Removal | Unreliable | 100% reliable for old controller | | File Size | 450 KB+ | 160 KB | chipgenius v421 top
Device Name: [F:]USB Mass Storage Device(Generic Flash Disk 2.0) Controller: Alcor Micro AU6989SN-GT [F700] - F/W EF01 Possible MP Tool: v16.04.01.00 (ALCOR_U2_MP_v16.04.01.00.zip) NAND Chip: Micron MT29F256G08CECAB Newer versions often output "MP Tool: Unknown." v4.21 Top provides the literal file name you need to search for. This is why Chinese repair forums still link to as the prerequisite for any repair guide. Part 5: Step-by-Step Guide – How to Use ChipGenius v421 Top Using the tool is simple, but interpreting the results requires skill. Right-click the