Alcor — Micro Unknown Fa00 Fw Fa04 Hot

"Unknown FA00 FW FA04" is a specific firmware corruption status reported by Alcor Micro USB controller

6. Example Case (Real-world observation)

The error code (sometimes accompanied by ) in Alcor Micro mass production tools like alcor micro unknown fa00 fw fa04 hot

Heat usually indicates a hardware failure (a shorted capacitor or NAND chip). "Unknown FA00 FW FA04" is a specific firmware

What Exactly is "Alcor Micro"?

First, let’s demystify the manufacturer. Alcor Micro Corp is a Taiwanese semiconductor company. You may not know their name, but you almost certainly use their hardware. They are the world’s leading supplier of USB 2.0 and USB 3.0 card reader controllers. The error code (sometimes accompanied by ) in

  1. Modify the .ini file directly: Open the MP.ini file in Notepad.
  2. Search for [Flash] or [Setting].
  3. Look for a line resembling CheckFlashID=1. Change this to CheckFlashID=0. This forces the tool to accept the flash memory even if it reports a weird ID (like FA00).
  4. Save the file and restart the MP Tool.
  5. Run the process again.

If the heat persists, the NAND flash chip is likely dead, and the drive should be discarded for safety.

: Generic "Unknown" firmware error, usually solved by a correct MPTool version.

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