[BBLISA] MBR that reboots machine

[Theo Van Dinter]

Can you alter the BIOS config to not boot off local disk?

On Fri, Oct 7, 2016 at 10:55 AM, Alex Aminoff <alex at basespace.net> wrote:

>
> We need a MBR that reboots the machine. Surely this must exist?
>
> Our systems boot from the network. If, after a power outage say, that does
> not work, the BIOS goes on to boot from the local HD. Since the local HD
> has no OS on it, the boot sequence endsand the machine sits forever waiting
> for manual intervention.
>
> If the local HD had a MBR that caused the boot process to start over
> again, then our machines would retry network booting forever, until the
> network boot servers (and all switches along the path to them) were up
> again.
>
> I have googled extensively for this, I have found assembly source code for
> the standard Windows MBR, and I think I have seen explanations on how to
> get a machine to reboot in assembly, so I may attempt to compile my own bit
> of code, but it seems likely that someone else has done this before.
>
> Thanks,
>  - Alex
>
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