[cisco-nas] NVRAM problem

[John Shults (jshults)]

In some older Cisco devices, if the processor board (where the NVRAM is
located)
is placed in Anti-static bags, the NVRAM was erased and/or the battery
power was
drained due to the bag. I don't remember the models off hand, it's been
too long...


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John Shults                    Irvine 3 (1760) Lab Admin
Linksys Voice Engineering -  Linksys Product Development
121 Theory Dr    ..:|:...:|:..   Linksys Product Engineer 
Irvine, CA 92617                Cisco Systems (IRV3)
jshults at cisco.com               (949) 823-1291
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-----Original Message-----
From: cisco-nas-bounces at puck.nether.net
[mailto:cisco-nas-bounces at puck.nether.net] On Behalf Of Aaron Leonard
(aaron)
Sent: Friday, October 05, 2007 9:43 AM
To: David Lin
Cc: cisco-nas at puck.nether.net
Subject: Re: [cisco-nas] NVRAM problem

 From a case survey, this is almost surely an NVRAM hardware problem.  I

had said "flash" because I was mistakenly thinking that on the 5350, 
NVRAM is part of main flash, but in fact it's a separate 512KB card on 
the motherboard.  I believe the NVRAM is soldered on the mainboard, so 
the FRU would be the chassis.

I suppose you could just load the config from TFTP instead.

Aaron

----

> The flash looks good, I can load any file into the flash and never 
> lost. Only nvram, I always got 0x101 after reboot.
> Is it battery problem?
>
>
> > Date: Thu, 4 Oct 2007 14:18:49 -0700
> > From: Aaron at cisco.com
> > To: david.lin at msn.com
> > CC: cisco-nas at puck.nether.net
> > Subject: Re: [cisco-nas] NVRAM problem
> >
> > My guess: bad flash.
> >
> > Aaron
> >
> >
------------------------------------------------------------------------
> >
> > > Hi all,
> > > I have a AS5350, the NVRAM can't save the configuration whatever I

> set
> > > the config-register as 0x2102 or 0x2142. Once I restart the box,
the
> > > configuation is missing. Sometime I reload it from CLI, the boot
can
> > > be processed, it stopped at self-test.
> > > When I restart it, I saw " the NVRAM area is corrupt...it is using
> > > default value...".
> > > Any thing could be the problem? Thank you.
> > >
> > >
> > > David
> >
>
>
>
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