[rescue] Sources of IRIX

[John Hudak]

Thank you.  Yep, got it...
>The Dallas clock-chip which, among other things, is the NVRAM that
stores the Ethernet MAC address has a lithium battery in it which is
already well beyond its life-span

Now I remember - I stayed clear of these things in my designs for that
exact reason.
The folks here have a reasonable work around and it looks straight forward
http://forums.nekochan.net/viewtopic.php?t=16723444
The 080009 is the OUI for SGI.

what is xx:yy:zz?
If my machine does not have the ROM monitor, and I do the battery fix, is
there a work around?
Thanks
J


On Sun, Feb 12, 2017 at 9:40 AM, Carl R. Friend <crfriend at rcn.com> wrote:

> On 02/11/2017 11:07 PM, John Hudak wrote:
>
>> 'Tis a pity that they all carry the time-bomb that is the Dallas
>>>>
>>> clock-chip...
>>
>> say what???!?!?!
>> Time bomb??  I know about DS, but, I vaguely recall something about the
>> timer chip..been too long,please refresh..
>>
>
>    The Dallas clock-chip which, among other things, is the NVRAM that
> stores the Ethernet MAC address has a lithium battery in it which is
> already well beyond its life-span -- the chip, of course, went
> unobtanium long ago, and even if you can find NOS for the things, the
> internal batteries will entirely likely be dead.
>
>   At issue with this, is that without the MAC address, an Indy won't
> boot properly (or at least the network will not work.  If you're lucky
> enough to have a late-model one, it's possible to get it into the
> ROM-based command monitor and reset the MAC address so the thing will
> boot -- and run properly -- until the next time its powered down.
>
> setenv -f eaddr 08:00:09:xx:yy:zz
>
> will set the thing for you using the serial number found on the back
> of the case.
>
>
>    Cheers!
>
> --
> +------------------------------------------------+---------------------+
> | Carl Richard Friend (UNIX Sysadmin)            | Boylston            |
> | Minicomputer Collector / Enthusiast            | Massachusetts, USA  |
> | mailto:crfriend at rcn.com                        +---------------------+
> | http://users.rcn.com/crfriend/museum           | ICBM: 42:20N 71:43W |
> +------------------------------------------------+---------------------+
> _______________________________________________
> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue