The device is manufactured by , a prominent Taiwanese IC design house specializing in USB flash drive controllers and card reader controllers. The string indicates a generic controller firmware state, often associated with the AU6989 or similar USB 2.0/3.0 flash controller families.
The most common cause for FA00 . The NAND flash chip on the USB drive or the EEPROM on the card reader has lost its bootloader. This can happen if you unplugged the device during a write operation, a low-level format failed, or the flash memory simply wore out.
I can then provide the specific steps or tools (like USBDev ) needed for your situation. Alcor [Fa00] Aka Au6989sn-Ta - Usb Flash Drive - Scribd
In the context of hardware detection tools (like lsusb on Linux or Windows Device Manager), the string FA00 is a crucial part of the USB Vendor ID (VID) and Product ID (PID) pair. alcor micro unknown fa00 f w fa04
The keyword phrase itself tells a story. Let’s break it down:
For the technically inclined, FA00 and especially FA04 can be physical.
While keeping the pins shorted, plug the USB drive into a computer port. The device is manufactured by , a prominent
Alcor Micro is a well-known Taiwanese semiconductor company. They specialize in USB flash drive controllers and card reader chipsets. Their chips are widely used by computer manufacturers (like Dell, HP, and Lenovo) because they are cost-effective and reliable for handling communication between a computer's USB bus and flash memory cards.
Sometimes the controller needs to be forced into test mode. This involves shorting specific pins on the USB controller chip while plugging it in. Note: This is an advanced step that requires opening the casing.
The "Alcor Micro Unknown FA00 F W FA04" is a valid USB mass storage device utilizing an Alcor Micro controller. It is not malicious hardware, but it may be malfunctioning or unformatted. In 90% of cases, the string appears because the generic firmware string is not matched to a friendly name in the OS driver database. The device is salvageable via low-level formatting if The NAND flash chip on the USB drive
Increase bad block allowance to 30%-50% in settings, or select depth optimization. Looping Code "FA04"
The light on the silver thumb drive didn't blink; it glowed a steady, sickly amber.