[c-nsp] 7206 NVRAM issue

[Wilkinson, Alex]

    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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