: The "Black Edition" CH341A often has a design flaw that sends 5V to the data lines. For 3.3V chips, it is highly recommended to perform a "volt mode" modification (connecting pin 28 to the 3.3V regulator) to prevent damaging sensitive BIOS chips .
: If you are trying to read a 1.8V chip (common in newer laptops) without a 1.8V adapter , the chip will likely overheat and may be destroyed by the 3.3V/5V power. 2. Software Setup: NeoProgrammer 2.1.0.19 neoprogrammer 21019 ch341a hot
: Connecting the programmer to a BIOS chip while it is still on the motherboard can cause the "hungry" board to attempt to draw power through the programmer, leading to rapid overheating and a possible burning smell. : The "Black Edition" CH341A often has a