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Thread: EP45-UD3R boot loop




  1. #11
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    Default Re: EP45-UD3R boot loop

    Code:
    -Optimized BIOS default settings loaded  
    -PCI-E FREQ, and X.M.P. changed per request (100MHz, Disabled) 
    -tRFC left untouched  
    -Virtualization disabled  
    -DRAM Voltage upped to 2.12V, seemed to bring it into 2.1-2.11V when monitored, nice call.  
    -MCH Core upped to 1.32V  
    -Checked 12v in BIOS, it reports 12.239V
    Going to do some more testing, after I had applied BIOS changes it had went into the loop it normally went into.

    I had to CAP discharge to get machine to boot.

    Will try shutting down then powering back up again, this time without doing CAP discharge, to see if loop happens again.

    If it does, not sure what the problem could still be.

    If it still happens:
    -I could try running Memtest like originally suggested, with the recommended settings in topic
    -Remove all but 1 stick of memory, then re-test If anyone has more feedback, please let me know. Thank you so much to those who have already provided suggestions and feedback so far.
    Last edited by HyperEX; 02-09-2010 at 01:27 AM.
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  2. #12
    profJim's Avatar
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    Default Re: EP45-UD3R boot loop

    It's not clear if you have loaded optimized bios settings first before making the other bios changes.
    You must initially load optimized settings if you want maximum stability. Doing this should help eliminate the boot loop issue.

    Just to clarify things, booting with only one memory module is so that you can hopefully post and enter the bios without going through the boot looop.

    Running Memtest86+ for 8 - 12 passes with 4GB and 8GB is recommended. Testing with 4GB can be skipped IF you feel lucky.
    The 8GB test will take a really long time.

    Once your system runs error free with Memtest86+ and 8GB, you will need to perform additional extended stress testing with Prime95, OCCT, or Orthos.
    With "only" 4GB of memory, MCH Core = 1.22 - 1.24 should be fine.

    I run Intel BurnTest (IBT) for 10 loops before I run the remaining tests. This test runs for a much shorter time, but cpu core temperatures should be watched, as the temps will be at least 10 C hotter than with other stress tests. Depending on the ambient room temperature, core temps in the 60 - 70+ C range are normal if you have a decent cpu heatsink/fan setup. IBT testing with threads = 2 (for your dual core processor) and using the maximum amount of available memory will generate the highest GFlops scores and maximum heat and stress.

    Happy testing!
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  3. #13
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    Default Re: EP45-UD3R boot loop

    Yeah, I didn't save optimized defaults then make changes afterwards. I just went to the option to load them, once I saw they were loaded properly, I made further tweaks then saved it.

    I didn't know I should have loaded optimized first, saved, then went back in to make tweaks.

    If it turns out that RAM tests fine, but system only boots without loops on one stick, what does that mean exactly?
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  4. #14
    Chike is offline Senior Member
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    Default Re: EP45-UD3R boot loop

    Disabling XMP set memory to run at DDR-800.
    Try MCH Core in the range of 1.2-1.28v.
    Try just one pair of memory sticks in slots 1 & 3 and then 2 & 4 and see if the problem persists, in what slots and with which pair.
    You may try to clear CMOS as described in the second part of this post for at least 20 minutes and possibly overnight, with both battery out and a jumper on CLR_CMOS.
    Next thing I'd check is the video card. If you have one or can borrow one that is not of the HD5000 series to test with.

  5. #15
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    Default Re: EP45-UD3R boot loop

    The video card is brand new, not even a week old yet, my old one is a 8800GT 512MB.
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  6. #16
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    Default Re: EP45-UD3R boot loop

    It's best if you post your bios settings and include the screen-shot when you're having problems. This way we can verify that you've applied the correct bios settings.

    Chike's suggestions are good.
    Multiple tests with 2x2GB will help narrow down the problem.
    The main problem might be that your system can't do 8GB at 1066 speeds, but it might do fine with somewhat slower memory speeds.

    Keep in mind that MCH Core that is too high or too low (for the amount of memory that you are using) can cause instability and/or boot loops.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
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    Asus VH242H 24" monitor [1920x1080]
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    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
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    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  7. #17
    Chike is offline Senior Member
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    Default Re: EP45-UD3R boot loop

    Quote Originally Posted by HyperEX View Post
    The video card is brand new, not even a week old yet, my old one is a 8800GT 512MB.
    Just to exclude (or prove) the problem is compativility issue with the card.
    Did you have the same problem with the 8800GT?

    Just trying to narrow down the possibilities. It may be a problem with a sepcific ram stick, or a ram slot, or it might be a poblem with dual-channel mode.

  8. #18
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    Default Re: EP45-UD3R boot loop

    Quote Originally Posted by HyperEX View Post
    Yeah, I didn't save optimized defaults then make changes afterwards. I just went to the option to load them, once I saw they were loaded properly, I made further tweaks then saved it.

    I didn't know I should have loaded optimized first, saved, then went back in to make tweaks.
    Load Optimized Defaults, Save, and then reboot into BIOS. Then you can make changes. Loading and saving does nothing without rebooting!
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  9. #19
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    Default Re: EP45-UD3R boot loop

    Had same problem with 8800GT.

    As for clearing the CMOS, any other way you recommend other than using a jumper? (I don't have a jumper to use for it) I figure I should try that first since it will be faster than running Memtest passes on 8GB of RAM.

    To those who say the RAM isn't running stable at 1066, I'm not so sure about that. I can't even remember the last time I had a BSOD/crash/lockup on my system, I've had this machine for around a year now.

    CPU-Z also reports memory is running in correct speed (even when under 5-5-5-15 timings), so I'm not sure about the memory being unstable.

    Anyways, I once again reset BIOS to optimized defaults, this time changing no other settings before or after, I saved right after loading optimized defaults.

    I had a loop after I had rebooted after loading defaults, going to run a few more tests to see if it continues looping - I suspect it will, I am beginning to think I may need to clear CMOS. I have a hunch the memory isn't the problem.

    P.S. It's funny, I just thought of something...I (naturally) don't recall this problem always existing, but I couldn't pinpoint the time around when it started happening...

    That is, until I remembered I wasn't always running 8GB, I started off using 1 of the 2x2 kits - then later got another one. That might have been around the time it started happening.

    It would certainly make SOME sense. The the thing is, I have had no crashing/BSODs/weird problems except for the boot looping if I don't discharge CAPS before trying to power on.

    I just wish I knew why this is happening, I'm still confident I can find the root of this with more investigation...
    Last edited by HyperEX; 02-09-2010 at 04:18 AM.
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  10. #20
    Chike is offline Senior Member
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    Default Re: EP45-UD3R boot loop

    I guess you can cinsider testing another video card as done then :-)
    So loading optimized defaults cause a boot loop? After you discharge and go back in MIT do you get a red warning? Do thCPU/PCI-E Clock drives remain as optimized defaults (800/900 respectively)?

    You can remove the battery without a jumper, however I have seen at least one user that only both removing the battery and placing a jumper over-night clear worked for him. You may find a jumper on IDE hard drives or CD/DVD-ROM.

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