: Click "Verify IC" to compare the data on the chip with your local file. If they match, the process is complete. How to program the bios chip using ch341a bios programmer

| 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 |

If you get a verification error, it usually points to a poor connection on the SOIC8 clip pins or insufficient voltage. Troubleshooting Common Errors "Device not found" or Greyed-out Options The computer does not recognize the CH341A hardware.

The CH341A chip can operate in two modes: Serial (COM port) or Parallel/Interface (EPP/MEM). For flashing BIOS and EEPROMs, it must operate in (often designated by a jumper on pins 1-2 of the programmer). Download the CH341PAR.EXE driver package. Plug your CH341A programmer into a USB port.

The CH341A is a USB-based chip programmer based on the CH341A USB bus converter chip. It is primarily used for programming I2Ccap I squared cap C (24 Series) and SPI (25 Series) Flash memory chips.

NeoProgrammer是一款专为CH341A编程器设计的，其前身是开源项目AsProgrammer。开发者社区在原有基础上进行了大量优化和功能增强，最终推出了更加强大和完善的NeoProgrammer。

: It allows users to view and modify binary data directly before writing it back to the chip. Automatic Detection

SPI Flash memory cannot be overwritten directly; existing data sectors must be wiped clean first. Click the button.

NeoProgrammer 2.1.0.19 an advanced, community-developed software utility specifically designed to interface with the ubiquitous CH341A USB programmer