Strange booting problem

[jd1008]

On 06/30/2015 04:56 PM, Gordon Messmer wrote:
> On 06/30/2015 03:32 PM, jd1008 wrote:
>> So, with this kind of change, it destroys the partition table. 
>
> So it does. :(
>
> Well, that's disappointing.  Educational, but disappointing.
>
> I missed that in testing because the bootable media I was using wrote 
> both an MBR and GPT labels to the USB drive.  After invalidating the 
> MBR, the GPT still described the location of the partition.
>
So, how can I proceed with a brand new drive,
dd /dev/zero into the first ... say 4K bytes, partition
it with fdisk, do not mark any partition bootable, so
that bios will skip over it ?