Overclocking a server CPU?


  1. Posts : 552
    Windows 8 Pro x64
       #1

    Overclocking a server CPU?


    I was thinking about doing something a bit different for my next build... overclocking a server CPU. Here is the spec of the CPU I was looking at:

    AMD Opteron 6344 @ 2.6 GHz (Turbo up to 3.2 GHz)
    Microarchitecture: Piledriver
    Cores: 12
    Memory channels: 4
    Supported memory: DDR3
    L2: 12 MB
    L3: 16 MB
    TDP: 115W
    Price: ~$415

    Are there motherboards which would allow me to do something like this? Before anyone asks why, I want as many cores as I can afford, with more than dual-channel (so the AMD desktop CPUs wont do, and the Intel 6-core i7s are expensive). This CPU would do that for me.
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  2. Posts : 3,487
    Win 7 Pro x64/Win 10 Pro x64 dual boot
       #2

    You would need a G34 socket motherboard, I think. I don't think they make those in desktop models (at least I couldn't find one), so you would need to get a server motherboard.

    In my limited experience, I have never run across a server motherboard with options for overclocking. Those servers were all Xeon based, however. Like I said, my experience is limited.
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  3. Posts : 552
    Windows 8 Pro x64
    Thread Starter
       #3

    Mellon Head said:
    You would need a G34 socket motherboard, I think. I don't think they make those in desktop models (at least I couldn't find one), so you would need to get a server motherboard.

    In my limited experience, I have never run across a server motherboard with options for overclocking. Those servers were all Xeon based, however. Like I said, my experience is limited.
    Yeah its a G34. Well, even if I cant OC a 3.2 GHz turbo is enough anyways... especially with that much cache and cores.
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  4. Posts : 3,487
    Win 7 Pro x64/Win 10 Pro x64 dual boot
       #4

    Windows i7 920 said:
    Yeah its a G34. Well, even if I cant OC a 3.2 GHz turbo is enough anyways... especially with that much cache and cores.
    Yeah. That does sound pretty powerful.

    Y'know, I was thinking... If the clock speed isn't locked by the MB, you might be able to OC it by increasing the FSB. The multi will probably be locked, except for the turbo speed setting, but the FSB may not be. You might get a modest OC that way...
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  5. Posts : 1,045
    Win8/8.1,Win7-U64, Vista U64, uncounted Linux distor's
       #5
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  6. Posts : 552
    Windows 8 Pro x64
    Thread Starter
       #6

    Mellon Head said:
    Windows i7 920 said:
    Yeah its a G34. Well, even if I cant OC a 3.2 GHz turbo is enough anyways... especially with that much cache and cores.
    Yeah. That does sound pretty powerful.

    Y'know, I was thinking... If the clock speed isn't locked by the MB, you might be able to OC it by increasing the FSB. The multi will probably be locked, except for the turbo speed setting, but the FSB may not be. You might get a modest OC that way...
    FSB... didn't that tech die like years ago? Do you mean the BCLK (or whatever AMD's equivalent is)?
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  7. Posts : 3,487
    Win 7 Pro x64/Win 10 Pro x64 dual boot
       #7

    Windows i7 920 said:
    FSB... didn't that tech die like years ago? Do you mean the BCLK (or whatever AMD's equivalent is)?
    Lol. Sorry, I'm an old guy and stuck in my ways.

    I believe that AMD terms it the HT clock, or the bus clock if you prefer.
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  8. Posts : 552
    Windows 8 Pro x64
    Thread Starter
       #8

    Mellon Head said:
    Windows i7 920 said:
    FSB... didn't that tech die like years ago? Do you mean the BCLK (or whatever AMD's equivalent is)?
    Lol. Sorry, I'm an old guy and stuck in my ways.

    I believe that AMD terms it the HT clock, or the bus clock if you prefer.
    Yeah I think HyperTransport is AMD's version of Intel Quick Path Interconnect. Well, on my system there is a separate QPI link speed, and bclk setting. Makes things a bit confusing.
      My Computer


  9. Posts : 4,466
    Windows 10 Education 64 bit
       #9

    lol, the words overclock and server in the same sentence will make most IT guys cringe. It sounds like a fun project though if you have one sitting around doing nothing anyway.
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  10. Posts : 7,466
    Windows 10 Home Premium 64bit sp1
       #10

    Windows i7 920 said:
    Mellon Head said:
    Windows i7 920 said:
    Yeah its a G34. Well, even if I cant OC a 3.2 GHz turbo is enough anyways... especially with that much cache and cores.
    Yeah. That does sound pretty powerful.

    Y'know, I was thinking... If the clock speed isn't locked by the MB, you might be able to OC it by increasing the FSB. The multi will probably be locked, except for the turbo speed setting, but the FSB may not be. You might get a modest OC that way...
    FSB... didn't that tech die like years ago? Do you mean the BCLK (or whatever AMD's equivalent is)?
    If you are using a AMD CPU they feed off of FSB they are different in regards to overclocking than intel

    AMD chips are able to use a combination of Multi and FSB Intel is just Multi when you use the BLCK on Intel Boards you normally crash AMD allows it and actually performs better
      My Computer


 

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