If you get "IC not responding," check your physical connection or the orientation of Pin 1. The Flashing Process: Backup First: Always click to create a backup of your original BIOS. "X" (Erase IC)
is a free, feature-rich software application designed specifically for USB-based programmers like the CH341A, CH347, and FTDI devices. Version 2.1.0.19 represents a significant milestone in the software's evolution. It was released to address bugs from earlier versions (e.g., 2.1.0.18) and to expand chip support. neoprogrammer 2.1 0.19 ch341a