Inside the setup menu, configure the following tabs to ensure a successful format:
: Ensure it automatically detects your NAND flash memory. If it does not, manually select the Flash ID that matched your ChipGenius reading. MP Mode : Set this to Product Mode or Normal Mode .
: In the capacity settings, leave it on Auto so the controller can accurately map out bad sectors and isolate stable memory blocks. 4. Flash the New Firmware
Alcor Micro USB Repair Tool (often found as AlcorMP) is a specialized "Mass Production" (MP) utility used to fix corrupted flash drives by reflashing their firmware. These tools are highly chip-specific, meaning you must use a version that matches your controller exactly—such as the AU6989SN-GTC Essential Repair Tools AlcorMP (Mass Production Tool):
| | Meaning | Recommended Action | |---|---|---| | "No flash found" | Tool cannot detect flash memory | Try different AlcorMP version | | "Supported Flash Not Found" | Flash ID not in tool's database | Find version with your flash ID supported | | "30S00" | Tool version incompatible | Switch to different version family | | "Bad block over limit" | Too many defective sectors | Increase ECC value or replace drive | | "ISP failed" | Firmware update error | Retry with different USB port | | Red highlighted entry | Operation failed | Check settings and retry | | Green highlighted entry | Success | Drive repaired | alcor micro usb repair tool au6989sngtc au6998sn free
The Alcor Micro USB repair tool, particularly AlcorMP for AU6989SN-GTC and AU6998SN controllers, represents one of the most effective methods for resurrecting seemingly dead USB flash drives. While the process requires patience, careful version matching, and attention to detail, success rates are high for drives with firmware corruption rather than physical hardware failure.
These are not like typical consumer software. They are bare-bones Windows applications with a technical interface. However, their power to repair broken drives is unmatched.
, you must use the (Mass Production Tool) . This process, often called "flashing," involves re-writing the firmware to resolve issues like "Write Protected," "No Media," or 0MB capacity. Phase 1: Identify Your Hardware
Based on community expertise from USBDev.ru and technical teardowns from Gough's Tech Storage : Inside the setup menu, configure the following tabs
When these chips encounter critical data corruption or a power interruption during write operations, they drop into a safe or "RAW" state. Standard Windows partition managers cannot access the internal logic of the chip to reset this state, making the specialized tool mandatory. 2. Step 1: Identify Your USB Controller and Flash ID
series, including variants like AU6989SN-GTC, AU6998SN, and AU6989AN. Deep Error Correction
When a USB flash drive using an Alcor controller fails, it often displays errors like "Disk is Write Protected," "Please Insert a Disk," or shows up with
Don't rely on guesswork. Download (free) or USBDeview . Run it, insert your dead drive, and look for: : In the capacity settings, leave it on
: Resolves severe issues such as "The disk is write protected," "No Media," or drives showing "0 bytes" of capacity. Bad Block Management
This confirms your target chipset. Note down the exact controller string.
: Plug the broken flash drive directly into your computer's motherboard (rear ports on a desktop). Avoid external USB hubs, extension cables, or front-panel ports, as minor voltage drops can cause the flashing process to fail. Step 1: Identify Your Chipset with ChipGenius