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13

Comments

  • lordbeanlordbean Ontario, Canada
    edited November 2009
    Gentlemen.

    HD5850 rendering + GTX 285 running interference (PhysX).

    I give you your moment of zen.

    attachment.php?attachmentid=27906&stc=1&d=1259642005
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited December 2009
    ATI 5970 running stock clocks. I attempted to install both the ATI 5970 & my GTX 295 to get some Physics action going, but my 1000Watt PSU isn't up to par to make that happen.

    attachment.php?attachmentid=27918&stc=1&d=1260000098

    Who in their right mind would have ever thought 1000 Watt PSU would not be enough? I knew overall it wouldn't power it but I couldn't resist trying. But if it did work that would have been bad ass.

    attachment.php?attachmentid=27917&stc=1&d=1259997362
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited December 2009
    Okay so I pushed my CPU to 4.1GHz on air with temps staying at 72C and push the GPU to a nice 825MHz core & 1100Mhz Memory.

    ati_2.png
  • lordbeanlordbean Ontario, Canada
    edited December 2009
    Keep pushing that thing... those Cypress cores should be able to get at least up to HD5870 speeds...
  • SerpSerp Texas Member
    edited December 2009
    Sledge are you running both cards off the modular pci-e cables?
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited December 2009
    If you mean 2 cables directly out of the PSU per card coming from different rails than yes. The problem is the ATI card card need 450+ Watts & the GTX295 needs about the same to really run.

    When trying to boot with both cards the mobo pops a power error "75" on the DFI board. But the error pertains to a Hard drive / SATA power error and not an error with the GPU.
  • _k_k P-Town, Texas Icrontian
    edited December 2009
    both cards are rated for under 400w max draw, idle both together have a draw under 300w. Combined full load would pull 60amps
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited December 2009
    I haven't looked at what my Corsair PSU can output... But here is what is listed.

    Brand: CORSAIR
    Model: CMPSU-1000HX
    Type: ATX12V 2.2 / EPS12V 2.91
    Maximum Power: 1000W
    Fans: 140mm Thermally Controlled
    PFC: Active
    Main Connector: 20+4Pin
    +12V Rails: 2
    PCI-Express Connector: 6 x 6+2-Pin
    SATA Power Connector: 10
    SLI Ready
    CrossFire Ready
    Modular: Yes
    Efficiency > 80%
    Energy-Efficient: 80 PLUS Certified
    Input Current: 13A
    Output: +3.3V@30A, +5V30A, +12V1@40A,
    +12V2@40A -12V@0.8A, +5VSB@3.5A
    MTBF: >100,000 Hours
    Approvals: UL, CE, CB, TUV, FCC, CCC
    Dimensions: 150mm(W) x 86mm(H) x 200mm(L)
  • _k_k P-Town, Texas Icrontian
    edited December 2009
    Have you tried using adapters, 4-pin to PCI-e?
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited December 2009
    It is a modular PSU.. each PCI-E plug has its own dedicated plug. Each plug is based upon a different 12v rail. in turn each card has a dedicated rail for power. In other news... I bumped up the OC on my system and on the GPU and got lower scores?

    CPU was 4.1GHz & is now 4.22GHz
    GPU was 825MHz & is now 840MHz
    GPU mem Clock was 1100MHz is now 1175MHz

    Score was 22579 is now 22044

    In looking at the break down The CPU score went up while the GPU score went down.

    GPU Test 1:
    65.24 - Now - 62.66
    GPU Test 2: 62.50 - Now - 60.13

    CPU Test 1: 3562.29 - Now - 3690.11
    CPU Test 2: 31.72 - Now - 32.43
  • SerpSerp Texas Member
    edited December 2009
    It looks like you're using one modular and one hardwired pci-e cable on each card. Try using both hardwired on one card and 2 modular on the other and see if it works.

    The hardwired pci-e cables are on the 12v1 rail and the modular are on the 12v2 rail.
  • SerpSerp Texas Member
    edited December 2009
    That new OC might be too much for your card to handle so it's throttling something to prevent damage or it's not able to run that fast with the current voltage.
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited December 2009
    So I put the GTX 295 back in with the ATI card and setup the power cables as noted above and the system is doing the same thing. Goes into bios screen and loads like it is going to get into windows & than resets and just loops around the bios load screen. I can access the bios etc.. but the system will not boot.

    If I unplug the power from the Nvidia card the system boots just fine.
  • lordbeanlordbean Ontario, Canada
    edited December 2009
    Definitely sounds like a power problem. Keep in mind, your current configuration has 4 GPU cores plugged in when your GTX 295 is connected, and NVIDIA cards are not known for going easy on power supplies.
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited December 2009
    Bah where is the 2nd PSU when you need it? lol
  • SerpSerp Texas Member
    edited December 2009
    I'm not so sure it's a power problem. With both cards under load it would really push the PSU hard but from a cold boot would they be drawing enough power to not boot into windows?
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited December 2009
    I am pretty sure full power is pushed during boot. Hence why most times when you start your PC all items/fans are running at full speed than drop down to idling speeds.
  • lordbeanlordbean Ontario, Canada
    edited December 2009
    It isn't quite maximum load, but during the BIOS POST phase, all power saving features of a PC are inactive. The CPU runs at maximum clock speed, so do the graphics cards, and all other power management techniques (such as selective USB shutdown, PCI express link state management, etc) are inactive.

    I'd be surprised if it constitutes full load draw, because technically the hardware isn't being made to work, but power management generally doesn't kick in until Windows drivers get loaded up.
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited December 2009
    Its all good. I ordered a new PSU for my buddies system... when it arrives I am going to barrow it for a day and use it as a dedicated power supply for one of the cards.
  • lordbeanlordbean Ontario, Canada
    edited December 2009
    You crazy, crazy man. ;D

    High-performance computers have to make me stop and think, though... How long is it going to be before you need more than a 15A circuit to run one? You're already pushing the envelope with draw exceeding 1000 watts.
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited December 2009
    No I am just a enthusiast who's hobby is trying new things & buying new hardware for his PC... everyone has a hobby mine is to spend money for 15% performance gains - lol
  • _k_k P-Town, Texas Icrontian
    edited December 2009
  • _k_k P-Town, Texas Icrontian
    edited December 2009
    The previous was at 2048x1152

    3.8GHz
    Untitled2.jpg

    stock clock on GPUs

    Untitled3.jpg


    Untitled.png
  • lordbeanlordbean Ontario, Canada
    edited December 2009
    Are you running two of those GX2s or are those scores from a single card?
  • _k_k P-Town, Texas Icrontian
    edited December 2009
    It says 4 so that is from two cards.
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited April 2010
    P26,539
    CPU: 87649
    GPU: 21534

    http://service.futuremark.com/compare?3dmv=2116957

    CPU 4.5GHz
    GPU: 904/2128/1808
  • _k_k P-Town, Texas Icrontian
    edited April 2010
    6 cores.............
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited April 2010
    _k_ wrote:
    6 cores.............

    Well my GTX 480 isn't the only thing new in my system :)
  • mas0nmas0n howdy Icrontian
    edited April 2010
    980X Boner.
  • Sledgehammer70Sledgehammer70 California Icrontian
    edited May 2010
    Settings: 902/1803/2153 1.125v
    Temps: Idle 35c - max load 46c

    Performance Mode w/ PhysX
    Overall: 44,203
    GPU: 37,786
    CPU: 90,123
    Link: http://service.futuremark.com/compare?3dmv=2150895

    Performance Mode without PhysX
    Overall: 38,884
    GPU: 37,886
    CPU: 42,051
    Link: http://service.futuremark.com/compare?3dmv=215091
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