problem booting from 2nd drive

Thu Sep 7 09:23:00 UTC 2017

> Sorry, I meant hex dump of GPT. I suspect you might find they are the same, but at different locations. See my post giving the possible reasons why the boot code gives the messages you are getting. Its got to be one of those, but which? I'd compile a new version of the loader that printed out the reason for failure, but this is not suitable for everyone.
> 
> I'm just guessing. Mr Block of this parish is the expert on the GPT loader.

What command I can use for this?