The identifier typically appears in AlcorMP mass production tools when a USB flash drive's controller is corrupted or incorrectly identified. This specific error often maps to the Alcor AU6989SN-TA or AU6989SNCS-TA controller series. Core Technical Profile
What is the printed on the internal square microchip?
: Along with the FA00 code, diagnostic tools often show Flash ID (FID): None or 898989898989 . This means the controller has lost its connection pathway to the storage cells due to corrupted file tables, a broken firmware loop, or mechanical contact failures. Step-by-Step Repair Guide for Alcor Micro [FA00] alcor micro unknown fa00 f w fa04 work
Additionally, OEMs like Hewlett Packard (in their USB CCID Smart Card Reader Keyboard) or Cherry (in their smart card terminals) rebadge Alcor chips. Therefore, the driver is not hosted on Alcor's public site, but buried in an OEM support package.
If your drive successfully completes the flash process, close the AlcorMP tool, unplug the USB drive, and plug it back into a standard Windows port. The drive should now display its corrected storage size, fully ready to format and use normally. The identifier typically appears in AlcorMP mass production
Alcor Micro mass production tools ( AlcorMP ) rely on low-level kernel drivers that struggle with modern security configurations.
Verify that the device is compatible with your computer's operating system. Sometimes, specific devices may have issues with certain OS versions. : Along with the FA00 code, diagnostic tools
: This tool identifies the specific controller vendor and part number. Locate the "Flash ID" and "Controller"
Once you have installed the correct driver:
: The production tool (AlcorMP) is looking for a specific controller ID (like AU6989SN), but the chip returns a generic or corrupted "FA00" code.