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)
: Use a tool like 7-Zip to extract the .7z archive. Download File CH341A_v1.43_22012022.7z
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
CH341A USB BIOS Programmer - Flashing EEPROM Chip Quick Guide Download - 7-Zip CH341A USB BIOS Programmer -
The CH341A is a low-cost USB interface chip that supports various communication protocols, including , USB to Printer Port , and USB to I2C/SPI . It is most frequently used as a programmer for 24-series EEPROMs and 25-series SPI Flash memory. 2. Installation & Setup
: If you are flashing new firmware (like a BIOS update), you must erase the chip before selecting the new file to program.
: Click Detect in the main window to identify the connected EFI or Flash chip.