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Thread: Restarting problem with GA-N650SLI-DS4L




  1. #1
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    Default Restarting problem with GA-N650SLI-DS4L

    I've had an issue with this mobo for some time now. It coldboots just fine, however it will not restart again for up to 15 minutes. All fans whir up, the dvd rom light blinks, but nothing happens. I have to hold the power button in for 5 seconds to switch it off again and then wait.

    Eventually, after 10-15 mins, it will successfully restart.

    There are no issues with it being up for days on end, long gaming sessions etc. The problem also occurs when either the cpu/fsb is over or under clocked.

    It has happened with both an x1950pro and the current hd4870 512mb.

    The processor is an 8400 Wolfdale, using 4*1024mb Corsair value select ram at 800 mhz and is powered by a Thermaltake toughpower 650watt. There is also a Xonar D2 pci card.

    Differing HDDs have had no effect either.

    Operating systems have been XP Pro and Win7 64bit Ultimate, though I don't suppose that's significant.

    Could anyone help? It's incredibly frustrating. Thanks in advance.

  2. #2
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    Default Re: Restarting problem with GA-N650SLI-DS4L

    I really can't help a lot with AMD, Artdrivers may have some tips for you though.

    What I can tell you that might help is you need to set your own memory voltage if you are not already, and you will need to increase your NB VID voltage for 4GB of memory.

    Hope that helps a bit, if not I am sure Artdrivers will offer you some tips

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    Default Re: Restarting problem with GA-N650SLI-DS4L

    Thanks for your reply. I have increased the voltage slightly to the ram, and Everest is reporting it within windows at 1.98v.

    I've been suspecting it's something to do with voltages and the motherboard - but when you say the VID voltage, I'm not sure what you mean.

    Any suggestions at all are very much appreciated.

  4. #4
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    Default Re: Restarting problem with GA-N650SLI-DS4L

    Well I don't know your BIOS at all, NB VID means Northbridge voltage, your BIOS might just call it that, or something similar.

    What is the rated voltage for your memory?

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    Default Re: Restarting problem with GA-N650SLI-DS4L

    It's rated at 1.9v. There is a Northbridge Voltage adjustment, which I haven't touched as of yet.

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    Default Re: Restarting problem with GA-N650SLI-DS4L

    That is what you will need to increase for 4GB of memory, try bumping it up a few notches and see if that helps

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    Default Re: Restarting problem with GA-N650SLI-DS4L

    I just tried bumping the NB up by +0.1v, the fsb by 0.05v and the mem went up to 2.0v. It booted, but Windows froze after about 10 mins.

    I suppose I shouldn't have tried all these things at once.

    Then I had severe problems with boot; it was hanging before the mem test.

    I disconnected the dvd drive, and the mem test worked, but it hung there.

    A couple of restarts later, it recognised the IDE drives and I got back into bios, so I've gone back to all the same settings as before.

    I also noticed under the pC Health section in bios that the +3.3v was showing 3.296 - Everest is reporting 3.31 in Win; and that the +12v was showing 11.795v - Everest is reporting 11.52.

    Ram is now showing 1.98v.

    I'm thoroughly confused.

    Edit:: I should add I'm running the ram at 400 5 5 5 18, the CPU at 9*400 for 3.6Ghz. Once up, it's totally stable. It's, er, getting it up that's the problem
    Last edited by Novotny; 05-28-2010 at 02:35 AM.

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    Default Re: Restarting problem with GA-N650SLI-DS4L

    Try +0.2-0.3 NB, this is normal for 4GB

    Those voltages you mention are all normal

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    Default Re: Restarting problem with GA-N650SLI-DS4L

    Switched to +0.2v on NB. First attempt to boot, nothing came up at all, though the gfx card fan whirred down - it completed it's own post test (normally it doesn't when I'm having the restart issue). Second time, the system posted and I'm into windows now.

    Will try running some intensive games and see what happens temps-wise.

    And thank you for your continuing help, much appreciated :)

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    Default Re: Restarting problem with GA-N650SLI-DS4L

    Nice to see!

    No problem, I am always here to help, when I can.

    If things still aren't fully working go ahead and try +0.3 or +0.25 if you have the .05 options

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