Alcor Micro Au6989sn Mptool |top| Jun 2026
The computer detects the USB hardware interface, but the disk management console displays the storage capacity as 0 MB or 0 bytes.
| Error Code / Message | Description | Potential Solutions | | :--- | :--- | :--- | | | A generic error often due to a bad flash or problematic controller state. | Try low-level formatting; check flash seating if possible. | | Too many bad block error (50400) | Flash has exceeded the maximum tolerable number of bad blocks (often 2048/2048 full). | Use a newer version of the MPTool; apply a stronger or different ECC (Error-Correcting Code) algorithm. | | 30500: No support flash error | The exact flash chip isn't recognized by the tool's list. | Locate a newer version with an updated flash database. | | 30400: Unknown flash error | The flash chip isn't identified, likely missing from the database. | Find the correct MPTool version; try alternative tools like FC MPTool . | | Get Device Mode Error (0300) | The controller responds but is in an unexpected or locked state. | Select a different USB port (preferably 2.0) and re-insert the drive. | | 0x80003000 (purple text) | Hynix-specific flash error requiring a special handling routine. | Tick the "Special Flash" or "Hynix80003000Error" option in settings. | | Tool buttons greyed out | Tool won't recognize the drive. | Modify VID / PID in the INI file or run the tool as an administrator. | Alcor Micro Au6989sn Mptool
In the world of USB flash drive controllers, is a giant. You may not recognize the name, but if you have ever owned a budget-friendly or promotional USB 2.0 flash drive, chances are high it was powered by an Alcor chip. Among their most ubiquitous controller models is the AU6989SN . The computer detects the USB hardware interface, but
Standard software utilities operate at the file-system level. When a USB drive suffers from controller firmware corruption, the issues reside at the hardware abstraction level. The following symptoms indicate that a flash drive requires low-level intervention via the AU6989SN MPTool: | | Too many bad block error (50400)