Strange booting problem

[Gordon Messmer]

On 06/26/2015 02:51 PM, jd1008 wrote:
> Just wondering about the bytes in the first sector which
> you thought might be boot code that is confusing BIOS
> to think that my usb drive is bootable.
> The bytes you already saw are obviously not boot code. 

What is obvious to you is not obvious to the CPU, which simply executes 
instructions.  Everything in bytes is 0-446 is boot code, whether it 
does anything useful or not.