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Thread: EP45-UD3P have a few problems... ; ;




  1. #81
    Lsdmeasap's Avatar
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  2. #82
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    Default Re: EP45-UD3P have a few problems... ; ;

    I don't know about you peeps but I myself like to always install the latest bios from the bios sticky page here. I see the latest version (beta?) for your 1.6 revision board is http://forum.gigabyte.de/forumdownlo...8/P45UD3P2.zip

    You could try flashing your bios to that and then load optimized defaults, reboot and put in your rams timings and voltages along with manually setting to vcore to the default setting.
    Last edited by Conners; 08-24-2009 at 02:41 AM.

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    Default Re: EP45-UD3P have a few problems... ; ;

    Ok well what other things could I try tweaking to get it running stable? I do have latest BIOS FB. I have never flashed a BIOS before cause everything I have read says that you could screw your whole system up if you do it so I'm real worried about trying that. I just dont want to try that if I dont have too to be on the safe side, unless its my last option><

    I have everything set manualy(the important stuff like timings and DRAM voltage etc.) I have the right voltage for this ram I am using 2x1 GB 800MHz and they recommend 1.8-2.0v I have it set at 1.9v. I assume I dont have to tweak with much like McH (McH @ 1.1v) cause I am not running 2x2 memory, not sure wheat else I could tweak; I re-seated the heatsink and my degrees dropped some which is good. Kinda lost from here, idk if I should lower the voltage on my Cpu core; It's currently at 1.25 in BIOS but HWMonitor says its at 1.2v(I just thought of this cause I read a thread where somone lowered their cpu voltage to gain stability while still maintaining the stock 2.83Ghz)

    thanx again guys, I just cant stop obsessing about this because its not right yet ><
    Last edited by Brigs; 08-24-2009 at 03:53 AM.
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  5. #85
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    Default Re: EP45-UD3P have a few problems... ; ;

    You may need the full 2.0V for your ram, don't decide 1.9v is enough while you are still unstable.

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    Default Re: EP45-UD3P have a few problems... ; ;

    Actually the link I provided is the latest (FDa) although it beta i think.

  7. #87
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    Default Re: EP45-UD3P have a few problems... ; ;

    also you may need more then 1.1 Mch voltage. you may still need up 1.2 still every board and ram are different. Bump up a notch or 2 at a time till you get to 1.2 unless you see no change. To much here or not enough can cause instablity.

    As LSD and conners suggest I would update the bios to the latest beta. Yes things can happen while updating but Gigabytes Q-flash is for the most part flawless. Yes things can still happen but pretty much only if you lose power to computer. Even then the board has 2 bios's, so if something happens to the first one doiring a flash and gets corrupted it will boot off second one and either reflash the first one or you can redo the flash not sure never had it happen.

    Second I would not lower Cpu Vcore untill your stable. If your not stable now you probly wont be stable at a lower vcore. If anything push it up a notch or 2 and see if it is any better if not then put it back to where you had it. you could try turning on Load Line Calibration maybe you have to much Vdrop/Vdroop happening and either turning this feature on or uping cpu vcore will help against this.
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    Default Re: EP45-UD3P have a few problems... ; ;

    The only circumstance I can think of that lowering Vcore would help is if heat was causing instability.

    As suggested, play with MCH voltages up to around 1.26V. You do only have 2x1GB but all components react differently.

    Your CPU cooler IMO, isn't up to the job of cooling a quad. It wasn't a great cooler when it first came out. No amount of re-seating will improve your temps much. You may well be better off with the stock Intel cooler. Any included with a Quad are slightly thicker and copper cored. A good recent after market cooler would be a better idea though.

    If Prime went fine and the PC only froze when you started doing "stuff" then maybe this stuff or the program(s) used is/are the problem(s). What exactly were you doing when the PC froze?

    To eliminate OS issues I'd use msconfig to disable all the non essential startup items (don't disable any services). In the past I've recommended testing on a clean install with just the basics necessary for stress testing and if testing 3D for gaming too (GPU drivers, sound, chipset drivers, lan). A freeze can be so many things, and may be nothing to do with your hardware.

    While you still have the chance, maybe download Windows 7 RC and give it a try. You can dual boot it with XP just fine and see if the PC freezes in a 64bit Windows 7 environment.
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    Default Re: EP45-UD3P have a few problems... ; ;

    Thanx for input guys, well I decided to run the HCI Memtest in windows as opposed to the other bootable memtest86+ and It went over 6 hours and 1400% coverage and finaly got a failure, but when I have ran memtest86+ I have gone 19 hours with 31 passes and 0 failures, I'm not sure why I got an error with the HCI memtest in windows?

    I will play with the McH and DRAM voltages manually and see what I get. Maybe I should throw on the stock cooler that came with my Q9550 even though people say its horrible, maybe it will be better than my older Zalman.

    When prime95 froze this morning I was surfing the web and then I started downloading and installing adobe acrobat reader, and thats when computer froze 8/

    The funny thing about this whole build problem I am having is, when I have built computers in the past I just put it together, set some BIOS stuff I wanted or didnt want, but never touched voltage or frequency, just let everything run on auto and I never had a problem(although I never stress tested any of those builds like I am doing this one). This is the first build I have to tweak all sorts of stuff and I dont understand why I have to since I never had to with other builds; Just dont get it 8/

    thanx again guys for all the responses, its much appreciated 8)
    Core 2 Quad Q9550 E0 step; OC @ 3.61Ghz (425x8.5) ~ stable
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  10. #90
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    Default Re: EP45-UD3P have a few problems... ; ;

    After seeing some of the other EP45-UD3P 1.6 post and some of the problems Im thinking these boards need either better bios support or you just may have a glitchy board. I know my board 1.1 version was pretty much plug and play.

    The memory test in windows could have error or any number of reasons b/c the os could have been doing something in memory.
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    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
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    Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
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    CORSAIR CMPSU-850TX PSU
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