Alcor Micro Unknown Fa00 F W Fa04 Fixed [verified] Page

It looks like a short descriptor of a device/firmware entry. Interpreting it:

If the AlcorMP tool fails, try these standard Windows repairs: Diskpart Clean: Command Prompt select disk X alcor micro unknown fa00 f w fa04 fixed

Search for versions tagged specifically for AU6989SN on repositories like USBDev.ru or FlashDrive-Repair. It looks like a short descriptor of a device/firmware entry

Before downloading any fix, you must know exactly what is inside the plastic casing. Download and run ChipGenius. Locate your USB drive in the list. Check: "Erase All Blocks" (This will delete all data

controller when the tool fails to identify the hardware correctly. Common Fixes for Alcor Micro FA00 Errors

Check: "Erase All Blocks" (This will delete all data. Recovery is impossible after this).
Check: "Low Level Format."
Do NOT check: "Write CID" or "Write SN" unless you know hex.
Vendor/Product String: You can change the drive's name here (e.g., "My Fixed USB 2.0").

Ensure you run the utility before plugging in the flash drive. Configure Driver & VID/PID Open AlcorMP and click the Driver button. Enter the default Alcor VID: 058F and PID: 6387 (or 1234). Click Add VID/PID, then Save InstallDrive. Press Refresh(R) to see if the drive appears.

Missing Firmware/Blob: Some Alcor controllers require a firmware blob to be loaded by the OS driver upon initialization. If the generic Microsoft driver attempts to take control instead of the specific Alcor driver, the firmware load fails, and the device reverts to a basic state, reporting FA00.
Internal Flash Corruption: In rarer cases, the internal flash descriptor of the card reader has been corrupted (often by a failed BIOS update that interacted with the USB controller), causing the device to lose its identity.