The device in question is typically an internal (SD/MMC/MS) connected via the USB internal header. Under normal operation, the device identifies itself as VID_058F&PID_FA04 (Standard Alcor Card Reader).
The phrase "Unknown FA00" is a common sight in flash diagnostic tools like or Flash Drive Information Extractor . It usually indicates that the controller firmware is either corrupted, generic, or unrecognized by older software databases. alcor micro unknown fa00 f w fa04 fixed
Before downloading software, confirm your and PID . For Alcor Micro, these are typically 058F and 6387 or 1234 . Use ChipGenius to find the Flash ID (FID) code (e.g., 453E9803 ). This code is critical for picking the right tool version. 2. Find the Right Tool Version The device in question is typically an internal
This process will erase all data on the USB drive. Ensure you have no vital files on it before proceeding. Step 1: Prepare the Environment Use a Windows 7 or Windows 10 PC. It usually indicates that the controller firmware is
Among all USB controller errors, the Alcor FA00/FA04 code is one of the most recoverable. Unlike SandForce or Phison controllers that often require expensive shorting boxes, the Alcor chip’s ROM mode is easily triggered with a simple pair of tweezers.