Strange booting problem - Off list

[jd1008]

On 06/30/2015 04:32 PM, Gordon Messmer wrote:
> On 06/30/2015 03:04 PM, jd1008 wrote:
>> dd if=/dev/sdb bs=2 count=1 skip=255 2>/dev/null | od -x
>> 0000000 aa55
>>
>> If these are the bytes that indicate a boot signature,
>> can they be "null'ed" safely??
>
> Doing so worked for me, when testing under SeaBIOS.
>
> dd if=/dev/zero bs=2 count=1 seek=255 of=/dev/sdb
Well, as I just replied, nulling those 2 bytes wipes out
partitioning info.