图片：
刚买的开发板……想烧个linux进去？按下x后出现这样的情况？
请求解释？
3900000: is bad
3904000: is bad
3908000: is bad
390C000: is bad
3910000: is bad
3914000: is bad
3918000: is bad
391C000: is bad
3920000: is bad
3924000: is bad
3928000: is bad
392C000: is bad
3930000: is bad
3934000: is bad
3938000: is bad
393C000: is bad
3940000: is bad
3944000: is bad
3948000: is bad
394C000: is bad
3950000: is bad
3954000: is bad
3958000: is bad
395C000: is bad
3960000: is bad
3964000: is bad
