[MinnowBoard] How can I set MAC address in EFI shell!?
gerard.b at tekmagic.net
Fri Jul 10 18:31:00 UTC 2015
Thanks John (sort of! ;) )!
So this implies that there are some confidential "Realtek tools/utilities"
that allow one to "program" a MAC address into their NIC chips! Right!?
So which conferences will you be in early August!!?
[mailto:elinux-minnowboard-bounces at lists.elinux.org] On Behalf Of John
Sent: Friday, July 10, 2015 2:18 PM
To: MinnowBoard Development and Community Discussion
Subject: Re: [MinnowBoard] How can I set MAC address in EFI shell!?
If you've got a board with a MAC address of all 0s you'll need to RMA it to
have the MAC address set, or if you happen to be at a conference where I'll
be, let me know, and bring your bored and I can fix it for you.
- John 'Warthog9' Hawley
On 7/10/2015 10:59 AM, Dave Smith wrote:
> This was true on one of my boards as well.
> I was told it was because it was one of the first production boards
> built. Still waiting on a resolution/utility to fix it.
> Dave Smith, PE
> On Friday, July 10, 2015 at 11:57 AM, Gerard Bucas wrote:
>> Yes - all zeros!
>> Anything I can do to fix this!?
>>> On Jul 10, 2015, at 7:56 PM, John 'Warthog9' Hawley
>>> <warthog9 at eaglescrag.net <mailto:warthog9 at eaglescrag.net>> wrote:
>>>> On 07/10/2015 10:27 AM, Gerard Bucas wrote:
>>>> Somehow my MAC address on one of my minnowBoard MAX's got screwed up.
>>>> Does anyone know how to write a new address into nvram (or wherever
>>>> it is
>>>> stored) using the EFI shell?
>>>> I am using latest 0.81 firmware.
>>>> While on this topic, how is the MAC address initially created
>>>> during manufacturing (is there some utility the factory runs to set
>>>> the MAC address for each new minnow board produced)? Also where
>>>> exactly is it stored?
>>>> My firmware got corrupted (so I "bricked" this board) and had to
>>>> use my DediProg SF100 to write a new (0.81) firmware to the flash chip.
>>>> After that
>>>> it boots fine and everything seems back to normal but somehow my
>>>> MAC address got screwed up in the process.
>>>> I own a number of minnowMAX boards and have noticed that the MAC
>>>> address is normally "retained" even when one completely erases and
>>>> re-writes the flash memory chip (using a DediProg SF100), so this
>>>> says to me that the MAC address is not stored in the same flash
>>>> memory chip that contains the firmware/BIOS.
>>>> Would like to learn more about this...
>>> The MAC address for the NIC isn't stored in the nvram firmware, and
>>> the process of writing it into the NIC itself is permanent. What
>>> exactly are you seeing with your MAC address? Is it all 0's?
>>> - John 'Warthog9' Hawley
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