Chip Main Memory With The Contents Are In Disagreement Ch341a Top Info

Cheap CH341A boards have soldering defects. Reflow the pins of the CH341A IC and the ZIF socket. On TOP boards, check the voltage regulator’s output under load (while writing).

Sometimes you don’t need to fix the disagreement—you just need to know which content is real. Here’s a trick: Cheap CH341A boards have soldering defects

Read the chip using two different programmer softwares on the same CH341A hardware. If two of the three agree with each

If two of the three agree with each other, and the third disagrees, trust the two. The odd one out has a bug. and the third disagrees

If all three disagree, your hardware (wires, socket, chip, or CH341A itself) is faulty. Replace the $5 programmer before you blame the $1 chip.

The standard CH341A programmer (the "Black" version) operates at 5V logic. Many modern BIOS chips (especially Winbond W25Q128) operate at 3.3V.