The controller is a newer or "fake" variant not yet documented in older diagnostic databases.
To fix this error, you must use an Alcor Mass Production Tool ( or ALCOR U2 MP ). This software interacts directly with the controller at the circuit level to repartition the drive and flash fresh firmware. Navigate to the AlcorMP Firmware Archive on USBDev .
Do you have the or the Flash ID from a tool like ChipGenius to help narrow down the right software? Alcor Micro - USBDev.ru
Set the to "Full Scan" and MP Mode to "Capacity Optimize" for the best chance of recovering bad blocks. alcor micro unknown fa00 f w fa04
The Alcor Micro Unknown FA00 F/W FA04 may have various applications across different industries, including:
Reputable sources for these tools include USBDev.ru and FlashBoot.ru . :
Once complete, the square box will turn and display an "OK" status. If it turns Red , take note of the specific Alcor error code (e.g., Error 5040: Too many bad blocks ) to adjust your ECC tolerance settings. Troubleshooting Common Flashing Failures Root Cause Error 30100: No device plug The controller is a newer or "fake" variant
The FA04 code is a red flag for hardware. This often means the controller tried to communicate with the NAND flash and received no response. Possible causes include:
If your device is showing 0MB capacity or "No Media," you can attempt recovery using specialized Alcor tools:
Extract the AlcorMP archive. Open the folder, right-click AlcorMP.exe , and select . If your device does not appear in the grid, click the Driver button in the main window. Enter your recorded VID/PID combination (for example, 058F and 1234 ), click Add VID/PID , and then select Save InstallDrive . Re-insert the device to force driver mapping. Navigate to the AlcorMP Firmware Archive on USBDev
Locate the (the large rectangular chip with many small metallic pins on its side, distinct from the square Alcor controller chip).
⚠️ This step requires dismantling the physical casing of your USB drive. Proceed with caution.
If you are trying to recover a drive showing this status, repair communities like Scribd documentation suggest these steps: Use Modified Utilities : Standard AlcorMP often fails; search for "AlcorMP by NAT27"