Some ASUS chips (especially on the X200MA) are 1.8V . Using a standard 3.3V programmer without a 1.8V Adapter will permanently damage the chip.
The BIOS binary ya4a194v0.bin is from major consumer motherboard brands. Treat it as unverified until you can: ya4a194v0 bios bin
The machine runs flawlessly but shows an "Activation Error" inside Windows. Some ASUS chips (especially on the X200MA) are 1
hexdump -C ya4a194v0.bin | head -n 20