Alcor Micro Unknown Fa00 F W Fa04 Fixed May 2026

Hardware Review: Alcor Micro "Unknown FA00" (FA04 Fixed)

Product: Alcor Micro USB Flash Controller (Internal ID: FA00/FA04) Status: Fixed Firmware / Legacy Hardware Verdict: Functional budget controller with recovered stability, but limited by older technology standards.

(shorting specific pins on the NAND chip) to force recognition. Reflash the Firmware Once the tool recognizes the drive (it may still show alcor micro unknown fa00 f w fa04 fixed

: Resolves errors where the tool reports a generic Flash ID (like 898989898989 Hardware Review: Alcor Micro "Unknown FA00" (FA04 Fixed)

• Vendor/Product ID: Change nothing unless you know original values.
• Flash Type: Critical! Click "Auto Detect" or "Enhanced Detect." The tool might read the FA04 mode and suggest H27UCG8T2ATR or MT29Fxx based on NAND ID. If it shows "Unknown Flash," you need a different MPTool version.
• Partition Setting: Set "Mode" to Normal or Removable. Do NOT select "Fixed" again (ironic, given the error says "Fixed").
• Format: Check "Low Level Format" and uncheck "Quick Format."

He had spent the last four hours scouring the deepest, darkest corners of the internet. He tried rebooting his PC. He tried three different USB ports. He tried updating the drivers automatically. Vendor/Product ID: Change nothing unless you know original

A severed data line or fractured solder ball on the NAND chip prevents the controller from reading the FID. Requires hardware reflow or resoldering of the chip pins. Controller Logic Freeze