Strange booting problem

[jd1008]

On 06/25/2015 03:32 PM, Gordon Messmer wrote:
> On 06/25/2015 11:33 AM, jd1008 wrote:
>> I bought the usb drive brand new and had not installed anything
>> on it. Just partitioned it and used it.
>> So, how could it contain any boot code?
>> Is this what manufacturers do by default? I had not encountered
>> this issue you raise before.
>
> Have a look at it:
>
> dd if=/dev/sdb bs=446 count=1 | od -c
>
> Does it have anything other than nul bytes?
>
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 about disk label?
Could those bytes be a disk label?