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Buck's 4P F@H Build(s)

Discussion in 'Folding@Home' started by BUCK NASTY, Aug 28, 2012.

  1. [Ion]

    [Ion] WCG Team Assistant

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    :rockout:

    How much lower will this system be clocked? And how much of an impact do you expect it to have on PPD? And how much RAM do you have in these things?
     
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  2. BUCK NASTY

    BUCK NASTY F@H Mod & 4P Enthusiust Staff Member

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    Each CPU has 8Gb ram for a total of 32gb. Total Gb of memory is not as important as filling every ram slot so the CPU has max memory bandwidth. This is why I chose the 2gb Dimms as opposed to the 4gb.

    The current rig is running @ 2.825ghz and has a 13% O/C(2.5 ghz stock). The new rig will have a 20%+ O/C and run @ 2.76Ghz(2.3ghz stock). Because of the 7% higher base clock, the production of the rigs should be close. It will be interesting to see how this turns out.
     
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  3. [Ion]

    [Ion] WCG Team Assistant

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    Ahh, I was wondering why there were so many DIMMs. That makes a lot of sense though.
    850k PPD is absolutely amazing...the future is bright! :toast:
     
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  4. BUCK NASTY

    BUCK NASTY F@H Mod & 4P Enthusiust Staff Member

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    4P rig #2 update

    Everything has shipped and the last item to arrive will be the Mobo via UPS on Monday the 22nd. I will have everything prepped and ready to go. Should start dumping work 1 week from today.

    :toast:
     
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  5. [Ion]

    [Ion] WCG Team Assistant

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    :rockout:

    Depending on how things are aligned, it should be amazing the days that both systems dump two WUs :rockout:

    What are you thinking about rig #3?
     
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  6. BUCK NASTY

    BUCK NASTY F@H Mod & 4P Enthusiust Staff Member

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    Rig 3 may be a X-mas present to myself if the electric usage is not too bad with 2x 4P rigs. I'll let you know in a month;).
     
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  7. [Ion]

    [Ion] WCG Team Assistant

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    That's quite the XMas present!
    Presumably power usage should be lower than all of those GPUs, right?
     
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  8. BUCK NASTY

    BUCK NASTY F@H Mod & 4P Enthusiust Staff Member

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    Got all 4 cpu's today, but there is an issue. The guy I lowballed on ebay had the last laugh. One of the 6176's had some damage to the corner of the chip on the 2 ends. Chip cleaned up nice, but I will have to wait until Monday to test it and see if it still works. Not worried about cosmetics as long as it is functional.

    [​IMG]
     
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  9. [Ion]

    [Ion] WCG Team Assistant

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    :cry:
    At least all of the contact pads look OK--I really hope that the chip works fine. If not, do you have any course of action? :(
     
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  10. BUCK NASTY

    BUCK NASTY F@H Mod & 4P Enthusiust Staff Member

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    I think it will work as well(I hope he tested everything he sells). I have 2 weeks to return for full refund and I purchased through Bill Me Later/Paypal, so I have recourse if needed. Funny, bought 2 sets of chips from 2 different sellers. One comes in bubblewrap in a small USPS box(damaged one) and the other set comes in the OEM tray with all kinds of packaging with shrink wrapping around it. I thought it was a Mobo for a minute and took 2-3 minutes to cut through the packaging. It was impressive. Keeping fingers crossed.:rockout:


    :toast:
     
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  11. Solaris17

    Solaris17 Creator Solaris Utility DVD

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    that looks like it flexed. if something is wrong the traces are probably fubar.
     
  12. BUCK NASTY

    BUCK NASTY F@H Mod & 4P Enthusiust Staff Member

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    The crack does not run all the way through the PCB. The issue might be not enough contact pressure against the pads and socket pins.
     
    Last edited: Oct 18, 2012
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  13. Aquinus

    Aquinus Resident Wat-man

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    Even if it does work, the question is will it last and if it is broken but doesn't prevent it from working but what if those contacts up there go to? Maybe a PCI-E slot or a DRAM channel? I hope for the best but worse comes to worse you have things to fall back on. Nothing like having your ducks in a row. :cool:

    Also, you might want to check the bracket on the motherboard, if that is in the wrong place I could see tension from the socket on the mobo making it worse once you lock it into place. That is only speculation though.
     
  14. BUCK NASTY

    BUCK NASTY F@H Mod & 4P Enthusiust Staff Member

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    Yeah, I was thinking the same thing. When the mobo arrives, I will look at the pressure points on the cpu. Hopefully there is no limitations in functionality, as i got it for a great price and I can afford to make some aesthetic concessions.
     
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  15. BUCK NASTY

    BUCK NASTY F@H Mod & 4P Enthusiust Staff Member

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    Coolers and Ram are here. Gonna have fun building the brackets for the Coolers. Gotta shut down the 1st rig so I can copy the drive in preparation for the mobo arriving monday. It will be a busy, but productive weekend. If all goes well, Tuesday/Wednesday should be the 1st 800K+ PPD day. Gonna run the rig @ stock clocks to get a baseline, then I'll void the warranty:cry: and flash the bios for the overclock.

    :toast::toast:
     
    Last edited: Oct 19, 2012
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  16. [Ion]

    [Ion] WCG Team Assistant

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    :toast:

    How do you build the cooler brackets? And how long do you have to shutdown rig #1 for?

    Pictures of this new exciting hardware? :D
     
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  17. BUCK NASTY

    BUCK NASTY F@H Mod & 4P Enthusiust Staff Member

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    A pic of rig#2 minus the mobo.

    [​IMG]
     
    Last edited: Oct 20, 2012
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  18. Steevo

    Steevo

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    I must admit, I came.


    Now that winter is setting in and a few new systems are being built I will have to put some of my fold back to folding.
     
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  19. [Ion]

    [Ion] WCG Team Assistant

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    What sort of PSU(s) are you running this with? Two of the 750s again?
     
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  20. BUCK NASTY

    BUCK NASTY F@H Mod & 4P Enthusiust Staff Member

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    I am actually running rig#1 on a single PC Power & Cooling Silencer 750 Mk1(pre OCZ). Actually built by Seasonic. Currently pulling 890W from the wall which equates to 715W draw from the Mobo on a P8101. Temps are withing specs and I have a 12" fan blowing on the PSU. Been running it like this for 1-1/2 weeks and I'm confident it can handle it. Not bad for a $40.00 refurbished PSU, right?

    Room temp is 25C and Exhaust temp from the PSU is 38C.

    [​IMG]
     
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  21. [Ion]

    [Ion] WCG Team Assistant

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    Wow...nearly a 100% load on that PSU! :eek:

    IMO PCP&C was better pre-OCZ... :ohwell:

    Are you going to use the 2nd PCP&C for the 2nd 4P rig?
     
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  22. BUCK NASTY

    BUCK NASTY F@H Mod & 4P Enthusiust Staff Member

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    Yep, gonna run the 2nd rig on the matching PSU. Matter of fact, I bought both of them refurbished:laugh:. Although rated at 75Ow, they have an additional 15% headroom. If I was max'ing them out, the PSU fan speed would tell me.
     
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  23. [Ion]

    [Ion] WCG Team Assistant

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    That's nearly as good of a deal as the half-dozen Antec 650w PSUs I got for $10 each :toast:
     
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  24. BUCK NASTY

    BUCK NASTY F@H Mod & 4P Enthusiust Staff Member

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    EA-650's?
     
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  25. [Ion]

    [Ion] WCG Team Assistant

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    About half EA-650s, about half TruePower New 650s (650w, semi-modular, 80+ bronze) :toast:
     
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