Find a fine metal tool, like a sewing needle or precision tweezers.
Based on user reports across tech forums (Reddit r/techsupport, Tom’s Hardware, and Microsoft Answers), the FA00 error appears in these specific devices:
: Ensure that you correctly identify the device and its specifications to find compatible firmware or software tools.
Before solving the error, we must understand the manufacturer. is a Taiwanese semiconductor company founded in 1989. While names like Intel, AMD, or Nvidia dominate headlines, Alcor Micro works in the trenches of peripherals. alcor micro unknown fa00 f w fa04 top
Because the controller is misreporting its identity, the software might not see the drive immediately. Follow this configuration sequence to force recognition:
One of the most elusive of these is the string: .
Click on the or Configuration button within AlcorMP (the default password is usually left blank; simply press Enter). Find a fine metal tool, like a sewing
The FA00 chip is often a masked variant of the or AU6371 series. You can try the driver for those:
to re-flash the firmware. This will wipe all data but typically restores the drive's functionality. Technical Summary Table Typical Value Reported Controller Unknown [FA00] Actual Chipset Alcor AU6989SN-TA / AU6989SNCS-TA USB Version 2.0 High Speed Standard VID/PID 058F / 1234 Common Firmware FA04, F103, F507 Are you trying to recover data from this drive, or just trying to it to make it usable again? Alcor [Fa00] Aka Au6989sn-Ta - Usb Flash Drive - Scribd
This is the most interesting part of the string. In hardware design, memory chips often come in "stacks." You might have a controller chip with a memory die stacked on top of it to save space. is a Taiwanese semiconductor company founded in 1989
Warnings:
Here’s a sample review for the — a piece likely related to a USB device, smart card reader, or embedded controller (common Alcor Micro products). Since the exact product isn’t widely documented, the review is written from the perspective of a technical user troubleshooting or evaluating the component.