Download File Ch341a_v1.43_22012022.7z May 2026

: Click Detect in the main window to identify the connected EFI or Flash chip.

Improper voltage settings (e.g., using 5V on a 1.8V chip) can permanently damage your hardware. Always verify the chip's voltage requirements before connecting. Download - 7-Zip

Download * Download 7-Zip 26.01 (2026-04-27) for Windows: * Download 7-Zip 23.01 (2023-06-20): * Download 7-Zip 19.00 (2019-02-21) Download File CH341A_v1.43_22012022.7z

: If you are flashing new firmware (like a BIOS update), you must erase the chip before selecting the new file to program.

CH341A USB BIOS Programmer - Flashing EEPROM Chip Quick Guide : Click Detect in the main window to

: Run the driver installer (often labeled as CH341PAR.EXE or similar) to ensure your computer recognizes the programmer when plugged into a USB port.

: Use a tool like 7-Zip to extract the .7z archive. Download - 7-Zip Download * Download 7-Zip 26

The standard procedure for using the v1.43 software typically follows these steps: