Thus, tells us the manufacturer, and PID 1234 tells us the exact device model.
1234 is not a real product code . Normally, a functioning Alcor flash drive carries a valid Product ID like 6387 . When the Product ID reads 1234 , it means the controller has booted into its factory bootloader state. Why Does This Happen?
0 MB on a 32GB USB stick - Storage Devices - Linus Tech Tips
Based on community speed tests and technical logs from NirSoft and DeviceHunt : Common Details Generic USB Flash Disk, Mass Storage Device, JetFlash Read Speed usb device id vid 058f pid 1234 full
Every USB device uses unique identification codes so the operating system can load the correct drivers.
If you want, I can analyze a descriptor dump from your system (paste the lsusb -v output or a USBView dump) and explain the fields and recommended drivers.
In the complex ecosystem of Universal Serial Bus (USB) communication, every peripheral device is required to identify itself to the host computer through a pair of unique numerical identifiers: the Vendor ID (VID) and the Product ID (PID). The specific combination of VID 0x058F and PID 0x1234 belongs to Alcor Micro Corp., a Taiwanese semiconductor company. This essay examines the technical role of this identifier pair, its most common hardware implementations, and its significance in the broader context of driver management and system interoperability. Thus, tells us the manufacturer, and PID 1234
The word in the search query often refers to either:
If your computer reads this exact hardware ID, it usually signals one of two distinct scenarios: either your USB drive is completely normal but experiencing a firmware glitch, or you have accidentally purchased a counterfeit "fake capacity" flash drive. When an Alcor controller encounters a fatal read/write loop, flash cell corruption, or a mismatch in its memory configuration, it defaults its Vendor ID (VID) to 058F and its Product ID (PID) to 1234 as a fallback structural failsafe mode. Anatomy of the Hardware ID
In the case of flash drives, this controller manages wear leveling, error correction, and bad block management. However, Alcor controllers with this PID are often found in —for instance, a USB drive that contains both a public partition and a secured, encrypted partition accessible only via a vendor-provided utility. The PID 1234 may indicate the base firmware configuration without encryption, or a "bridge" mode awaiting firmware update. When the Product ID reads 1234 , it
. These identifiers are critical for technicians attempting to recover data or repair "dead" flash drives that are no longer recognized by operating systems. Technical Specifications
The technical profile of an Alcor flash drive presenting this hardware combination typically includes the following specifications: Specification Details Alcor Micro Corp. Common Controller Models AU6986, AU6989, AU6998, SC908, or FC8908 variants Default Protocol / Speed USB 2.0 (High Speed) Default Fallback Name Generic USB Flash Disk / Alcor Mass Storage Device Compatible NAND Chips SanDisk, Toshiba, Samsung, or Intel MLC/TLC Flash Memory Step-by-Step Restoration Strategy
If your drive is showing "0 MB" or "No Media," standard formatting usually won't work. You likely need a specifically designed for Alcor Micro controllers.
The drive cannot be read and asks to be formatted.
When a device with these IDs is connected, it generally reports the following hardware profile: Vendor ID (VID): (Alcor Micro Corp.) Product ID (PID): Manufacturer: Product Model: USB Flash Disk / Mass Storage Device Common Controllers: Alcor Micro AU6986, AU6988, or AU6989SN series USB Version: USB 2.0 (High Speed) Common Use Cases and Problems