If your device with PID 1234 is not recognized on screen, navigate to the tool's folder, open the AlcorMP.ini configuration file, and verify that the VID and PID parameters match 058F and 1234 . Alternatively, utilize the standalone tool to temporarily reset the identifier back to factory standards ( 058F / 6387 ).
This hardware profile typically indicates the following technical characteristics: 058F (Assigned to Alcor Micro Corp. )
0 MB on a 32GB USB stick - Storage Devices - Linus Tech Tips usb device id vid 058f pid 1234 full
Search for an Alcor Micro MPTool specifically matching your controller part number. Reliable databases for these utilities include sites like USBDev.ru or MyDigit.
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? If your device with PID 1234 is not
Files written to the drive disappear or become corrupted after a certain point.
The tool should detect the drive. If it does not, you may need to try different versions of the tool. ) 0 MB on a 32GB USB stick
The USB identifier 058f:1234 is one of the most common signatures for low‑cost, high‑volume USB flash drives built around Alcor Micro controllers. Understanding this identifier allows you to diagnose driver issues, perform successful data recovery, and when necessary, use mass production tools to resurrect drives that have suffered firmware corruption. While Alcor‑based drives are generally reliable, their sensitivity to improper removal and power fluctuations makes knowledge of their recovery procedures essential for any technician or advanced user.