: These tools work best on Windows 7 (32-bit) . If you are on Windows 10 or 11, try running the application as an Administrator in Compatibility Mode . Open the Tool : Launch AlcorMP.exe .
: This is the Controller Part-Number , which is specific to the chip itself. The "Unknown" label is common when the software cannot definitively map FA00 to a known model. However, community experience indicates that FA00 is typically used for Alcor controllers in the AU6989SN series, such as the AU6989SN-TA or AU6989SN-GT.
The "Unknown [FA00]" status is often a generic placeholder for a hardware or software communication failure between the USB controller and the NAND flash memory.
When a USB flash drive suddenly stops working, shows , becomes write-protected, or fails to register a valid capacity, technicians and DIY repair enthusiasts turn to specialized low-level flashing software. For flash drives built on Alcor Micro controllers , the gold standard is the AlcorMP Production Tool .
Unplug all external USB storage drives to prevent accidental formatting. alcor micro unknown fa00 f w 3613 updated
The key to success is finding an AlcorMP version that supports your specific combination of controller and flash memory. You may need to try several versions. Common versions mentioned in forums include:
Insert the faulty Alcor Micro flash drive into a directly connected to your motherboard. Avoid using front-panel case ports or unpowered external hubs.
This article provides an updated, comprehensive guide on identifying, downloading, and installing the correct drivers to fix this error. What is Alcor Micro FA00 F W 3613?
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. : These tools work best on Windows 7 (32-bit)
If your USB flash drive has suddenly become unrecognized, displays of space, or shows a "Write Protected" error, you are likely dealing with a corrupted controller firmware. When checking the device using a low-level diagnostic tool like ChipGenius or Flash Drive Information Extractor , it often surfaces with the specific error: Controller Part-Number: Unknown [FA00] accompanied by an internal firmware string like F/W 3613 or similar (e.g., F/W F103, FD00).
Understanding the "Alcor Micro Unknown [FA00] F/W 3613" Error: A Guide to USB Repair
Verify the Scan Level is set to Low Level Format if the drive has severe bad sectors.
Disclaimer: This process will completely wipe any remaining data on the flash drive. It is a tool for hardware recovery, not data recovery. : This is the Controller Part-Number , which
Every Alcor Micro chip needs a very specific tool to flash new software onto it. You cannot guess which tool to use.
: Advanced diagnostic tools (e.g., ChipGenius) often report the firmware version as or show a "Firmware Error" status during such failures. III. Root Causes
AlcorMP – инструкция по восстановлению флешек
Download and run ChipGenius or as an Administrator. Plug in the corrupted Alcor Micro USB drive. Look for the following fields in the generated text log: Controller Vendor: Alcor Micro Controller Part-Number: AU6989SN... or Unknown [FA00]