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Thread: SLI Crashing




  1. #1
    Join Date
    Sep 2004
    Posts
    14

    Default SLI Crashing

    System Specs:
    Athlon 64 3200+
    ASUS A8N Deluxe SLI
    1 GB (2x512) OCZ Premier Memory
    120 GB SATA Western Digital
    Soundblaster Audigy 2
    eVGA 6600GT x 2 in SLI
    Antec NeoPower 480W Power Supply
    CPU and GFX cards all watercooled on 2 seperate radiators and pumps

    Okay so this computer has been running fine for about 2 weeks now, until today.
    It used to run in SLI mode fine. The CPU is not overclocked. I had installed RivaTuner and overclocked the graphics cards a little and everything was fine. Then I decided to reformat again and start from fresh because there was too much residual junk from installing unnecessary junk that came with the motherboard. So everything works fine and dandy until last night where I decided to reinstall RivaTuner again and I over clocked the core by 10 Mhz and the memory by 50 Mhz. It ran, but an hour later the bottom half of my screen blacked out and looked staticy. So I restarted and it went away. Then I tried to play Counter-Strike: Source. It went fine for about 15 minutes and then just froze. I restarted, Windows detected a new VGA adapter and screen blacked out. So another restart, same thing. So restart into safe mode, uninstall the drivers and rivatuner, restart, reinstall drivers, enable SLI and everythings good. Then I try CS again and the exact same thing happens. So I repeat and this time it doesnt even detect SLI being an option. So reinstall drivers and did the whole driver cleaner. SLI is detected and enabled but now my computer freezes after it boots into windows no matter what I do. So reformat and installed drivers, but it still freezes after booting into windows with SLI. Sorry for the long post, but I can't seem to resolve this problem. Can anybody help?

  2. #2
    Join Date
    Nov 2003
    Location
    Minnesota, United States
    Posts
    4,543

    Default Re: SLI Crashing

    You could try resetting the CMOS in case something in the BIOS got screwed up, but it sounds more like a hardware problem than a software problem or even BIOS problem since reinstalling Windows doesn't fix it.

    The thing about you specs that jumps out at me is the PSU. A 480W PSU is the minimum I'd recommend for a socket 939 system, but you're using an SLI system with a GB of RAM, PCI sound card, and two fairly power-hungry GPUs. I can't say for sure that the PSU is insufficient, becasue it is a good PSU, but I'd say there's a decent chance that a 480W won't cut it for that system.

  3. #3
    Join Date
    Oct 2004
    Location
    British Columbia, Canada
    Posts
    870

    Default Re: SLI Crashing

    Sounds like it's not getting enough power and cutting out to me, happens with hard drives downstairs sometimes when under load.
    My Current Rigs:
    Antec P180, OCZ Powerstream 520W, DFI nF4 SLI-DR Expert, AMD X2 4400 w/XP120(2.6GHz@1.45v), 2x1GB OCZ Platnium PC3200, BFG 7900GT@592/800(1.6), WD 250GB SATA, Maxtor 120GB IDE, LG DVD/CD Combo(black), Sony DRU-810 DL DVD Burner(black)
    3DMark01:25379, 3DMark03:19746
    3DMark05:9294, 3DMark06:5340

    Raidmax Cobra, Fortron PN-400W, ASUS A8N-E(nF4 Ultra), X2 3800 w/AMD heatpipe cooler, 2x 512MB Crucial Balistix, ATI X300, WD 250GB IDE, Samsung 16x DVD/RW

  4. #4
    Join Date
    Sep 2004
    Posts
    14

    Default Re: SLI Crashing

    Hey thanks for the suggestions guys, but it turns out the second card just kind of crapped out
    ...
    So I'm gonna return that and hope they don't tell that I pulled the heat sink off, stuck a waterblock on it, stuck ramsinks on it, overclocked it, etc. =P
    And according to the ASUS manual, it said that a 400 Watt powersupply was sufficient for my set up
    ...
    *shrug*

  5. #5
    Join Date
    Nov 2003
    Location
    Minnesota, United States
    Posts
    4,543

    Default Re: SLI Crashing

    Quote Originally Posted by xm8
    And according to the ASUS manual, it said that a 400 Watt powersupply was sufficient for my set up
    Are you sure you read it right? It more likely would have said 400W is the minumum for your setup. It's irrelevant anyway, since that's just plain wrong either way. You had a 480W PSU, which is the minimum I would recommend for a regular socket 939 system. I recommend well over 500W for any SLI system.

  6. #6
    Join Date
    Sep 2003
    Location
    USA
    Posts
    925

    Default Re: SLI Crashing

    After reading a P.C. magazine artical about PSU's powerfull enough for SLI. It looks like special huge units are coming into the picture. 850 watters with 4 seperate 12v rails, 1 for the CPU, 1 for devices, and 1 each for both video cards. Seems as if 2 power hunger cards are really going to suck up the juice. I'm curious to know if your system is really going to be stable with that unit your using........ please update becuase I'm thinking of doing this soon also.

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