| 软件版本 | 读取速度 | 写入速度 | 备注 | |:--------:|:--------:|:--------:|:----:| | CH341A 1.4版 | ~101,700 bytes/s | ~101,100 bytes/s | 官方原版，兼容性较好 | | AsProgrammer 2.1.0.13 | ~107,200 bytes/s | ~107,000 bytes/s | 性能较原版有明显提升 | | NeoProgrammer 2.2.0.3 | ~113,900 bytes/s | ~113,200 bytes/s | 社区优化版，读写效率最高 |

(specifically version 2.2.0.19 ) has emerged as the premier, updated fork of the classic ASProgrammer, offering better chip support, faster read/write speeds, and improved stability for the CH341A, especially on modern Windows 10/11 systems.

Optimized read and write algorithms significantly reduce waiting times.

NeoProgrammer is a community-developed, feature-rich software for the CH341A hardware. Version 2.1.0.19 is one of the most stable and popular releases, offering:

Plug your CH341A into the USB port; Windows should recognize it as an interface device. Step 2: Download and Launch NeoProgrammer

: Supports a vast range of 24-series (I2C) and 25-series (SPI) memory from manufacturers like Winbond, MXIC, and STMicroelectronics.

This comprehensive guide explores everything you need to know about setting up, troubleshooting, and mastering NeoProgrammer 2.1.0.19 with your CH341A programmer. Why Use NeoProgrammer 2.1.0.19?

: Download and run SETUP.EXE from the official WCH driver package to ensure Windows recognizes the USB device.

Whether you are desoldering the chip and placing it in the ZIF socket, using an SOP8 test clip (like a Pomona clip), or using a header cable, the software workflow remains identical. 1. Chip Detection

| 步骤 | 操作 | 说明 | |:----:|:----:|:-----| | 1 | 点击「检测」按钮 | 软件自动检测连接的芯片型号 | | 2 | 点击「读取」 | 将芯片内容读取到缓冲区 | | 3 | 点击「校验」 | 验证读取数据的准确性 | | 4 | 点击「保存」 | 将读取内容备份为.bin文件 | | 5 | 点击「擦除」 | 清除芯片中存储的数据 | | 6 | 点击「查空」 | 确认芯片已被完全清空 | | 7 | 点击「打开」 | 选择要写入的固件文件 | | 8 | 点击「写入」 | 将固件烧录到芯片 | | 9 | 再次点击「校验」 | 确认烧录数据与源文件一致 |

She soldered five thin wires to the GTX 980 Ti’s BIOS chip (clamp wasn’t an option—the chip was surface-mounted between two capacitors). She connected them to the CH341A’s test clip, then to a 1.8V level shifter, then to the programmer.

Complete Guide to the NeoProgrammer 2,1.0.19 and CH341A Programmer