The AU87101A is a USB mass storage controller chip. Think of it as the tiny brain inside a cheap USB drive that translates between the USB port and the raw NAND flash memory chips.
If you’ve recently dug out an old USB stick, a no-name MP3 player from 2008, or a bargain-bin SD card reader that refuses to format, you might have run into two cryptic terms: AU87101A and UFDisk. au87101a ufdisk
These aren’t viruses or random error codes. They are the ghosts of flash memory past. The AU87101A is a USB mass storage controller chip
In the world of low-level storage repair, the AU87101A chip and the UFDisk formatting tool are a legendary (if frustrating) duo. Here is what you need to know if you encounter them. These aren’t viruses or random error codes
Once you have revived your drive from the AU87101A state, keep it healthy: