Many CH341A "Black Edition" programmers output 5V on data lines, while most modern BIOS chips (25 series) require 3.3V or 1.8V.
If you extended the ribbon cable, the signal might be degrading. Keep cables under 10cm.
This is where the "disagreement" usually pops up. If it fails here after a successful erase, the issue is likely electrical noise or a weak USB port. 💡 Quick Pro-Tips
If you are programming a chip while it is still on the motherboard, other components may be drawing power away from the programmer.
Many CH341A "Black Edition" programmers output 5V on data lines, while most modern BIOS chips (25 series) require 3.3V or 1.8V.
If you extended the ribbon cable, the signal might be degrading. Keep cables under 10cm.
This is where the "disagreement" usually pops up. If it fails here after a successful erase, the issue is likely electrical noise or a weak USB port. 💡 Quick Pro-Tips
If you are programming a chip while it is still on the motherboard, other components may be drawing power away from the programmer.
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