Here is the breakdown of what this software is, the significance of the number, and how to safely obtain the correct "proper" version.
NeoProgrammer is a widely-used, lightweight software for flashing BIOS and EEPROM chips using the CH341A programmer. Version 2.2.0.10 is currently the most recent stable update, succeeding older versions like 2.1.0.19. Key Features of Version 2.2.0.x neo programmer 21019 download updated
Safety Warning: Never write directly to a "patient" (original) ROM chip without first verifying you have a working backup. Download Neoprogrammer for CH341A - Facebook Here is the breakdown of what this software
The download wasn’t on any server he knew. But the unit seemed to know where to look. Limited support for certain devices : Some microcontrollers