UEFI support from command line

[Kevin Wilson]

Hi,
What do you mean by telling "if UEFI is active you can't run
dmidecode". What happens when you run "dmidecode" on a console of a
machine where UEFI is active? do you get an an
error ?
rgs
Kevin

On Tue, Feb 19, 2013 at 11:41 PM, Bill Davidsen <davidsen at tmr.com> wrote:
> Kevin Wilson wrote:
>>
>> Hi,
>> Is there a way to know without entering BIOS, whether your machine
>> supoports
>> UEFI or not ? I would appreciate if someone with a machine with UEFI
>> support will check whether when running "dmidecode" you see UEFI in the
>> output.
>>
> Based purely on what I have observed, as opposed to standards, claims, or
> official pronouncements (which may be more correct), if you can boot Linux
> now you do not have a UEFI enabled system.
>
> I have seen claims that FC18 will boot on UEFI, based on a sample size of
> one and Live-CD (x86_64) booting off a USB thumb drive, that is not the
> case. It seems that UEFI is not required to recognize the token MS sold
> Linux, so some don't.
>
> If UEFI is active you can't run dmidecode, so the question may boil down to
> if anything shows when UEFI is present but not enabled, like SElinux in
> advicory mode.
>
> --
> Bill Davidsen <davidsen at tmr.com>
>   "We have more to fear from the bungling of the incompetent than from
> the machinations of the wicked."  - from Slashdot
>
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