[c-nsp] 7206 NVRAM issue

[Tom Storey]

Correct me if I am wrong, but NVRAM is non-volatile RAM, i.e. it doesnt
need power to retain its contents.

If that is failing, I would suspect something worse than a dud battery.


On 27 December 2012 11:52, Wilkinson, Alex <alex.wilkinson at cba.com.au>wrote:

>     0n Thu, Dec 27, 2012 at 09:09:48AM +1100, Joseph Mays wrote:
>
>     >Got a used 7206 I am trying to bring back to life. It seems to be
> able to
>     >read the PCMCIA card in the slot okay, but after a power cycle it
> loses
>     >config and claims the NVRAM is corrupt, throwing me to rommon. From
> there I
>     >can tell it to boot from disk0 and it boots alright from the PCMCIA
> card
>     >into the default config. Needless to say, any config I have entered
> gets
>     >lost. Which NVRAM is it referring to? The 4 meg on the motherboard? Is
>     >there anyway to clear and reset that, or does it just need to be
> replaced?
>     >
>     >Warning: monitor nvram area is corrupt ... using default values C7200
>     >platform with 131072 Kbytes of main memory
>     >
>     >[after a power cycle....]
>     >
>     >System Bootstrap, Version 12.2(4r)B, RELEASE SOFTWARE (fc1) TAC
> Support:
>     >http://www.cisco.com/tac Copyright (c) 2002 by cisco Systems, Inc.
>     >
>     >Warning: monitor nvram area is corrupt ... using default values C7200
>     >platform with 131072 Kbytes of main memory
>     >
>     >rommon 1 > boot disk0
>
>
> I have seen a very similar hardware bug on 65K-SUP720s:
> http://www.cisco.com/en/US/ts/fn/200/fn27595.html
>
>    -Alex
>
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