Alcor Micro USB drive showing as an device or reporting firmware (often equivalent to the AU6989SN-TA controller), you must Mass Production Tool (MPTool) to reflash the firmware 1. Identify the Controller with ChipGenius
Technical reviews and community discussions suggest the following regarding these specific identifiers: alcor micro unknown fa00 f w fa04 work
| Code | Likely Meaning | Action | |------|----------------|--------| | FA00 | Unknown NAND / flash ID | Replace USB drive or re-run MPTool with correct DB | | FA04 | Write/read failure at block 0x04 | Bad sector – low-level format or discard device | | F.W. | Firmware | Re-flash or update | | “work” | Workaround mode | Driver is trying to bypass error – may cause slow speed | Alcor Micro USB drive showing as an device
Alternative Tools: For stubborn "Unknown" errors on Alcor chips, try FC MpTool (specifically versions like FC_MpTool_FC8308), which is often more effective for generic or fake-capacity drives. Firmware Mismatch: Some expert sources note that an
Firmware Mismatch: Some expert sources note that an Alcor controller with the specific model FA00 does not officially exist in manufacturer catalogs, often indicating a hardware failure or a misreading by diagnostic tools. Common Fixes:
Flash Type Tab: Set this to "Auto" unless you have the specific datasheet for your Samsung or Micron memory.
. This will allow you to find the specific mass production (MP) tool needed for your chip. 2. Use Alcor Micro Recovery Tools