(Russian site) The most comprehensive database for USB firmware. Use a browser translator to navigate to the ChipsBank section. Step 3: How to Use the CBM2199E MPTool

A: Ensure you are running the tool as administrator. Try using a different USB port. Also, some custom-built or "expanded" drives may require you to short two specific pins on the controller chip to force it into "test mode." Research your specific drive's PCB (Printed Circuit Board) for guidance.