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Missing a CPU in my dual set up

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  • 23-05-2018 1:35pm
    #1
    monkeyslayer
    Registered Users Posts: 928 ✭✭✭


    Hey, wondering if anyone could help...


    Iv a HP z800 with windows 10 running two Intel Xeon X5675 (3.07ghz 6 cores) and I noticed today that one of them isn't showing up anymore its coming up in dxdiag and cinema 4d as just a 6 core machine. My dual 8 core z820 is still coming up as 16. Anyone know what I can do to figure out what wrong? I opened it up and nothing loose anyway and ran intel processsor diagnostic app and its only recognizing CPU 1... any thoughts?


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    #2
    K.O.Kiki
    Registered Users Posts: 18,707 ✭✭✭✭K.O.Kiki


    AFAIK it's a 6-core / 12 thread CPU, with only 1 die.
    Can you validate the machine with CPU-Z or Speccy?


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    #3
    monkeyslayer
    Registered Users Posts: 928 ✭✭✭monkeyslayer


    Yea socket 0 is turning up blank, socket 1 is showing cores threads etc in CPU-Z. I reset the CMOS for the hell of it and no joy with that. Do processors just die sometimes?


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    #4
    K.O.Kiki
    Registered Users Posts: 18,707 ✭✭✭✭K.O.Kiki


    Guess you'll need to do the following tests:

    Swap CPU0 with CPU1
    Keep CPU0, Remove CPU1
    Remove CPU0, Keep CPU1

    That should let you know if either of the CPUs failed, or just a motherboard socket.


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    #5
    ED E
    Registered Users Posts: 36,167 ✭✭✭✭ED E


    QS?
    ES?

    Forget software, go to the horses mouth: BIOS.


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