Re: [foxboro] NVRAM revisited
- From: "Johnson, Alex (Foxboro)" <ajohnson@xxxxxxxxxxx>
- To: foxboro@xxxxxxxxxxxxx
- Date: Fri, 14 Jan 2005 13:48:29 -0500
At boot up, it's a general request for data.
However, certain other operation - FBM downloads, I think, are dependent on
the CP knowing the host's MAC address.
Regards,
Alex Johnson
Invensys Process Systems
Invensys Systems, Inc.
10707 Haddington
Houston, TX 77043
713.722.2859 (voice)
713.722.2700 (switchboard)
713.932.0222 (fax)
ajohnson@xxxxxxxxxxx
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On
Behalf Of Hicks, Gaylon F.
Sent: Friday, January 14, 2005 9:57 AM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] NVRAM revisited
I have also used the below procedure when upgrading AW51As to AW51Bs for
Y2K. You can set the HostID and Ethernet Address (MAC) to match the old
box relatively easily. You really want to keep the same MAC address as
before or you will have problems with your CPs booting. I believe (Alex
- please smack me if this is wrong) that the CPs are looking for a MAC
address for their boot host, and blast out a "Feed Me Seymour" message
to what it thinks is the proper MAC address on bootup. There is also a
way to work around this if needed, but it is a lot easier to just
maintain the same MAC address if you are doing this online.
Gaylon Hicks
TVA - Browns Ferry NP
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Jim Kahlden
Sent: Friday, January 14, 2005 9:42 AM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] NVRAM revisited
Rob,
Yes you can reconstruct a new NVRAM with the original HostID by using
the
link provided. I have used the procedure outlined in the following link
to
make a new chip for my AW51B so that I did not have to re-license my
applications.
http://www.squirrel.com/squirrel/sun-nvram-hostid.faq.html=20
Jim Kahlden
jim.kahlden@xxxxxxxx=20
Lower Colorado River Authority
Fayette Power Project
6549 Power Plant Road
La Grange, TX 78945
(979) 249-8514 (Ph)
(979) 249-8390 (Fax)
>>> rburnham@xxxxxxxxxxxxxx 1/14/2005 6:57:12 AM >>>
Thanks to whom ever sent me info on Sun FAQ's,
It was stated that Sun can reconstruct a new NVRAM
with the original HostID and Ethernet address.
Is this true?
And would it eliminate the issues involved with CP hosting,
eeprom levels, etc?
Rob Burnham
Systems Engineer
Glatfelter
<http://www.glatfelter.com>
Phone 920-727-2426
Fax 920-727-2638
rburnham@xxxxxxxxxxxxxx=20
=20
=20
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