: This refers to a specific firmware (F/W) version or error code generated during a failed boot or read cycle. Hardware Mapping
[USB Port] -> [Alcor Micro Controller] -> Blown Firmware / Bad Blocks -> Returns: Unknown [FA00] F/W FA04 alcor micro unknown fa00 f w fa04 top
If your drive is showing these "Unknown" or "0 Byte" errors, you likely need a specific repair utility to re-flash the firmware: Identify the Exact Hardware : Use a tool like ChipGenius to confirm your VID (usually ) and PID (usually Download AlcorMP (Mass Production Tool) Search for a version compatible with the AU6989SN-TA controller. Reliable community repositories like host various versions of the Alcor Micro MP tools. Basic Troubleshooting Registry Edit : Clear write protection attributes via : This refers to a specific firmware (F/W)
The OS (Windows/Linux) issued a vendor-specific SCSI command or USB control transfer to the Alcor device. The device responded with a pattern the host driver did not recognize—either a malformed response or a debug stub left active in production firmware. Basic Troubleshooting Registry Edit : Clear write protection