Au87101a Ufdisk [2021] Review
The AU87101A controller handles sophisticated data transactions between your PC's USB port and raw storage components like SLC, MLC, or TLC NAND flash chips.
AU87101A (or related AU87100 series chipsets).
Navigate to the section and verify it accurately detects your specific NAND configuration. au87101a ufdisk
Disclaimer: This process erases EVERYTHING—including the controller’s internal bad-block tables. Use on junk drives only.
Extract the archive and launch the primary executable file ( AlcorMP.exe ). Click "Start" or "Run
Click "Start" or "Run." The tool will:
Supports Read-only mode and partitioned (dual-zone) USB flash drives. 2. When to Use "AU87101A UFDisk" Tools (Symptoms) proceed with the flashing guide below.
This is the most technical but often the only solution for the AU87101A error. A "Mass Production Tool" (MPTool) is software made by the controller manufacturer (often Alcor, Phison, or SMI) to force-flash the firmware back onto the drive.
The process takes 5–20 minutes.
In the flash configuration tab, input the precise VID and PID codes you discovered during your ChipGenius diagnostic scan.
⚠️ If your drive is showing AU87101A UFDISK and contains irreplaceable files, standard logical recovery programs like Disk Drill or Recuva will not work because they cannot communicate with the storage medium. If the data is absolutely vital, stop immediately and send the physical drive to a professional hardware data recovery service that can perform a "NAND chip-off" recovery. If you do not care about the data and simply want to restore the physical drive to a usable state, proceed with the flashing guide below. Step-by-Step Guide to Flashing and Repairing the Controller


