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M8256 in PDP11/84 OK, in 11/04 fails (Grant)

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Hi All,

I've tried to transfer a RX211 with RX02 from a PDP11/84 to a PDP11/04. When it works in 11/84 it boots without problems, but in the PDP11/04 (core) then the RUM light remains ON same time as a forgotten G727A or an open NPG. When i remove the M8256 and put a G7273 on that slot 6 then the machine works fine. There's also be three M7856 inside, one right and two at left side of the apropriate card. Can it be a AC load problem?

yours sincerly,

Braids.

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