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?
>
OK, here is the output.
Is the    ;  \0 305 033     the cause of the problem for BIOS?

# dd if=/dev/sdb bs=446 count=1 | /usr/bin/od -c
1+0 records in
1+0 records out
446 bytes (446 B) copied, 4.7578e-05 s, 9.4 MB/s
0000000  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0 \0
*
0000660  \0  \0  \0  \0  \0  \0  \0  \0   ;  \0 305 033  \0  \0
0000676