If after using the tool your drive shows only 4MB or 8MB capacity, you have successfully revived the controller but failed to map the NAND. Re-run the tool with "Erase All Blocks" (not just "Erase Bad Blocks").
Finding the correct version may require some trial and error, but the key is knowing which versions are known to work well. Based on user reports and extensive testing, the following versions are frequently cited as successful for repairing AU6989SN-GTC and AU6998SN drives:
To fix the chip, you need a special factory software tool called . You must match the tool to your exact chip version. alcor micro usb repair tool au6989sngtc au6998sn link
Using the Alcor Micro USB Repair Tool is relatively straightforward. Here are the steps:
Fortunately, mass production flashing utilities can reinitialize the controller, map out bad memory blocks, and flash the internal firmware to make the drive functional again. This comprehensive guide walks you through the recovery process using the official software database link resources. Phase 1: Identify Your USB Controller and Flash ID If after using the tool your drive shows
When a flash drive using these controllers fails (e.g., "Please Insert Disk" error, 0 bytes capacity, or write protection errors), it is typically due to firmware corruption or a mismatch between the controller and the NAND flash parameters. The repair tool re-flashes the firmware and reconfigures the controller parameters.
: You must match the tool version to your specific "Controller Part Number" (e.g., AU6989SN-GT ) and "Flash ID". Fixes Common Errors : Specifically effective for drives that are unreadable or stuck in a write-protected state Advanced Features : The tool allows for In-System Programming (ISP) Based on user reports and extensive testing, the
series chips, allowing you to bypass logical locks or bad blocks that prevent standard Windows formatting. Controller Specificity
[Insert USB Drive] ➔ [Run AlcorMP as Admin] ➔ [Load Setup Profile] ➔ [Execute "Product" Flash] ➔ [Safe Disconnect] Step 1: Operating System Configuration