, , or similar USB Vendor/Product IDs , you are likely dealing with a broken, corrupted, or improperly identified flash memory controller, commonly an Alcor Micro AU6989SN-TA or similar variant. Alcor [Fa00] Aka Au6989sn-Ta - Usb Flash Drive - Scribd
is a modern firmware revision, you should look for the latest versions of ALCOR U2 MP (e.g., v23.08 or later). Manual Driver Configuration Open AlcorMP and click the
Gently pop open the outer plastic casing of your USB drive using a flat-head tool or plastic pick to access the green internal circuit board.
For detailed tool downloads and specific firmware files, the USBDev.ru Alcor Micro Section is the primary resource for these utilities.
If you completed these phases and AlcorMP still returns an explicit No Flash ID or 89898989 code, the hardware connection between the controller and the NAND flash is permanently broken. In this specific case, the physical drive must be replaced. alcor micro unknown fa00 f w fa04 work
: Click the Driver button on the interface. Type in your drive's unique VID and PID numbers gathered from ChipGenius, click Add , and save the setting. This forces the software tool to communicate directly with the peripheral interface, even without an active Windows drive letter.
Here are the most effective solutions to get your Alcor Micro device working again, ranked from easiest to most advanced. 1. Run Windows Update (Driver Update)
The controller chip (the "brain") has lost its configuration data.
Before attempting complex firmware flashes, try a clean driver reset: Open (Win + X). Expand Universal Serial Bus controllers or Memory technology devices . Right-click the Alcorlink USB 2.0 Card Reader or the "Unknown Device" and select Uninstall device . , , or similar USB Vendor/Product IDs ,
Understanding and Fixing Alcor Micro "Unknown [FA00] F/W FA04" USB Errors
Let us know which AlcorMP version worked for your specific chip!
displaying the specific software signature "Unknown [FA00] F/W FA04" suffer from a critical firmware crash or low-level hardware failure. When diagnostic tools like Flash Drive Information Extractor or AlcorMP return Alcor [FA00] alongside an invalid hardware Flash ID (FID) like 898989898989 , it indicates the controller cannot communicate with the NAND memory chips.
Flashing your Alcor controller requires a . This is specialized factory software meant to rewrite firmware directly onto the IC chip. For detailed tool downloads and specific firmware files,
: The USB's Vendor ID (VID) and Product ID (PID) became corrupted (e.g., changing to 0000 or 7777 ), locking out standard Windows recognition. Step-by-Step Restoration Protocol
The solution lies in using Alcor's Mass Production tools, primarily AlcorMP, and finding the correct version for your specific drive configuration. While the process can be time-consuming and sometimes frustrating, community resources and a methodical approach can often succeed. Remember to prioritize data recovery before any repair attempts. With the right tools, patience, and perhaps a little luck, you can make that "unknown" Alcor Micro drive work again.
Open , go to the ECC configuration block, and increase the ECC threshold to 12 or 15 to compensate for degraded sectors. Drive Capacity Halved After Flash
: If the drive is not recognized instantly, click the Driver button inside the AlcorMP interface, add your specific VID/PID combination (e.g., VID 058F , PID 1234 or 6387 ), and press Save InstallDrive .