HP server : DL 380 G6 (only four netcard)
OS: netware 6.5 sp8
error:
TCPIP-6.82-356
Either Link is down for board 4 or board is having some major problem
Either Link is down for board 5 or board is having some major problem
Either Link is down for board 6 or board is having some major problem
Either Link is down for board 7 or board is having some major problem

if i not insert Cable,it tips :no board is ok

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why? thanks