[c-nsp] Unrecognized midplane in chassis 7200

[Karol Mares]

Hi Brian,


On Fri, 2006-09-15 at 16:25 +0200, Brian Turnbow wrote:
> Hello all, 
> I have an issue on a 7200(non vxr) with an npe 300 that's driving me
> nuts.
> The router was running 12.0.22S and all was fine. An upgrade was
> attempted into 12.3.x  , for x we  tried  17 18 19 20 ecc.. 
> 
> At boot with any 12.3.x train I get a message 
> 
> %%Error: Unrecognized midplane in chassis
>  
> If I boot the 12.0.22S , life is good. I tried 12.0.32S and that will
> boot as well.
> Is it possible that the eprom does not support 12.3.X ?
> 
> On the web I cannot find anything related to this error message, besides
> a bug on the npe-g1.
> 
> Here is the actual midlane  eprom version info 
> 
> C7200 Midplane EEPROM:
>         Hardware revision 1.3           Board revision M0
>         Serial number     18283396      Part number    73-1539-03
>         Test history      0x0           RMA number     00-00-00
>         MAC=0001.97de.7800, MAC Size=1024
>         EEPROM format version 1, Model=0x6
>         EEPROM contents (hex):
>           0x20: 01 06 01 03 01 16 FB 84 49 06 03 03 00 01 97 DE
>           0x30: 78 00 04 00 00 00 00 00 00 01 8A B0 FF FF 00 FF
> 
> 
> Thanks 
> Brian
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As far as i know, npe 300 will work properly only in vxr platforms, the
12.3 train has some operation codes that is not supported on npe300 in
non vxr chassis. Likely you will see some PC in memory where the failer
has occured.

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