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Thread: Known issues with GA-EP45-UD3P HW rev 1.6?




  1. #1
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    Default Known issues with GA-EP45-UD3P HW rev 1.6?

    I ordered a GA-EP45-UD3P before Christmas and received it yesterday. I put the system together, and it POSTed with no issues.

    However... it won't boot into Windows 7--it blue screens as soon as the OS begins loading. I can't reinstall Windows 7 either; if I boot from the DVD, WinPE loads and the wallpaper shows up... before it blue screens again. If I disconnect all the drives except the optical drive, it doesn't blue screen during setup, but setup doesn't go anywhere either: it locks up before the first dialog ever shows up.

    I think the stop code is 0x7f (unhandled kernel mode trap). It seems like it's usually bad hardware that triggers this stop code, so I tried:
    - running memtest. No failures.
    - moving the DIMMs from slots 2 and 4 to 1 and 3.
    - removing one of the DIMMs and leaving one DIMM in slot 1.
    - moving the DIMM from slot 1 to slot 2.
    - adjusting the voltage on the DIMMs to the max recommended (2.1v).
    - using the fail-safe BIOS defaults
    - using the optimized BIOS defaults
    I tried quite a few other things as well, but nothing worked.

    The specs are fairly unremarkable, as it's a fairly old computer and not overclocked:
    Intel C2D E6700
    Corsair TWIN2X2048-6400C4
    Gigabyte GVNX86S256H 8600 GTS
    WD1500ADFD Raptor
    4x WD5000AAKS

    Looking at Newegg, it seems like quite a few other people have had trouble with HW rev 1.6. Is there a known bad run of 1.6 boards or is there something simple I'm overlooking?

  2. #2
    Chike is offline Senior Member
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    Default Re: Known issues with GA-EP45-UD3P HW rev 1.6?

    How was Windows 7 installed?
    No memtest errors with optimized defaults?
    Things you may try:
    Check PC Hea;th status for any suspesious reading.
    Performance Enhance standard.
    XMP disabled
    MCH Core up to 1.2v, 1.05v down to 0.95v if more does not help.
    Different memory if you can get one.
    Different video card.

  3. #3
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    Default Re: Known issues with GA-EP45-UD3P HW rev 1.6?

    Quote Originally Posted by Chike View Post
    How was Windows 7 installed?
    No memtest errors with optimized defaults?
    Things you may try:
    Check PC Hea;th status for any suspesious reading.
    Performance Enhance standard.
    XMP disabled
    MCH Core up to 1.2v, 1.05v down to 0.95v if more does not help.
    Different memory if you can get one.
    Different video card.
    Win7... was installed on the HD? Sorry, not sure what you're asking. Either way, the Win7 setup still bluescreens.
    No memtest errors using optimized defaults.
    PC Health page in the BIOS shows no obvious anomalies (voltages are all in normal ranges, no abnormal temperatures)
    Performance enhance standard/turbo made no difference.
    XMP doesn't show up in the memory settings once I swapped out the 6400C4's for some plain old 6400's.
    MCH core 1.2v, 1.05v, .95v made no difference.
    Swapping RAM with another system didn't help.
    The only thing I didn't try is swapping video cards, but I don't /think/ the video card is defective. It worked fine in the past.
    Upgrading the BIOS from FB to FD didn't fix it either.

    At this point, I guess I might as well RMA and hope I don't get another bad board.

    Edit: found an Ubuntu live CD lying around. It boots... but that really doesn't help me very much.
    Last edited by zetafunction; 01-06-2010 at 11:11 AM.

  4. #4
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    Default Re: Known issues with GA-EP45-UD3P HW rev 1.6?

    I purchased the same motherboard rev 1.6 from Newegg along with an HIS 4670 and a Q9650. Put it together on New Years eve. I installed XP Pro Sp3 and everything is running fine no problems so far.

  5. #5
    SolidBladez's Avatar
    SolidBladez is offline Member
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    Default Re: Known issues with GA-EP45-UD3P HW rev 1.6?

    Are you running in AHCI?

    Have you disabled any other connections? (Floppy, IDE, etc.) If not, try that.

  6. #6
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    Default Re: Known issues with GA-EP45-UD3P HW rev 1.6?

    I set all the onboard devices to AHCI. Floppy is disabled.

    In any case, I've given up. I'm dismantling the system and doing an RMA replacement with Newegg (luckily I haven't sent in the rebate yet).

  7. #7
    Acebmxer's Avatar
    Acebmxer is offline Gigabyte Elite
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    Default Re: Known issues with GA-EP45-UD3P HW rev 1.6?

    1.6 boards were know to have a problem with ram working in the defaults slots and required less mch voltage. But if your having trouble installing Win7 how did you get Win 7 installed before? You said you ran Memtest but for how long how many passes? Did you run it on each stick separately?
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  8. #8
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    Default Re: Known issues with GA-EP45-UD3P HW rev 1.6?

    Quote Originally Posted by Acebmxer View Post
    1.6 boards were know to have a problem with ram working in the defaults slots and required less mch voltage. But if your having trouble installing Win7 how did you get Win 7 installed before? You said you ran Memtest but for how long how many passes? Did you run it on each stick separately?
    This was a motherboard upgrade to solve issues with my old motherboard. That's how Win7 is already installed.

    I've tried slots 1 + 3, 2 + 4, and 1 only and 2 only. None prevented the blue screen. I'm also as sure as one can reasonably be about the RAM; none of the DIMMs I'm using have been overclocked/volted, and in the past, I ran the memory through 10 hours of memtest or so.

  9. #9
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    Default Re: Known issues with GA-EP45-UD3P HW rev 1.6?

    Did you do a fresh install of Win 7 on the new board or try and |"re-use" the old install? if the latter then this explains with near certainty why you get BSOD's.

    Unfortunately it seems that you have RMA'd the board rather prematurely. There were many things thet needed to be done before concluding the board was at fault. You may well find the exact same issue with the replacement, or if you're really unlucky it will be tested and returned to you as working, along with a bill/service charge.

    Setting legacy IDE and trying an install, followed by installing Intel Matrix drivers, then switching to AHCI via the registry and the BIOS may have cured the issue. I notice you have 4 WD SE16/Cav. Blue's. Are they in RAID or all single disks? This alters how you'd set up the ICH SATA ports too.

    Little thing like making sure the optical drive is on the yellow ports at position 6 (SATA_5) and not on the purple ports can effect Windows installs too. I was unable to install 7 using the purple ports.

    There's not much I can do to help now, but if you have the same issue when the replacement arrives, post back here and we can help further.

    The one thing that you didn't post that would have been extremely hlpful was a full BIOS template. If you have problems with the next board, load optimized defaults, followed by entering your custom settings, then post these settings using the template bellow:

    Code:
     MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............:Fast
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio.....................:.+0.5
    CPU Frequency ...........................: 401x8.5 3400
     
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 401Mhz
    PCI Express Frequency (Mhz) .........:100
    C.I.A.2 .................................:[Disabled]
     
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800mv
    PCI Express Clock Drive.................: 900mv
    CPU Clock Skew (ps)....................: ops
    MCH Clock Skew (ps)...................: 0ps
     
    DRAM Performance Control
    Performance Enhance...................: Standard
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: 2.66D
    Memory Frequency (Mhz) ..............:1066
    DRAM Timing Selectable ................: [Manual]
    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................15
    Advanced Timing Control
    tRRD...........................................4
    tWTR..........................................4
    tWR............................................5
    tRFC...........................................57
    tRTP...........................................4
    Command Rate (CMD) ....................:2
    Driving Strength Profiles A & B
    Driving Strength ............................1066
    Channel A
    Static tRead Value.........................:9
     tRD Phase0 Adjustment...................:Auto
    tRD Phase1 Adjustment...................:Auto
     tRD Phase2 Adjustment .................:Auto
     tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto
    Twr2wr(Different Rank)...................:Auto
    Twr2rd(Different Rank)...................:Auto
    Trd2wr(Same/Diff Rank)..................:Auto
    Dimm1 Clock Skew Control...............:Auto  ps
    Dimm2 Clock Skew Control...............:Auto  ps
    Channel B
    Static tRead Value.........................:9
     tRD Phase0 Adjustment...................:Auto
    tRD Phase1 Adjustment...................:Auto
     tRD Phase2 Adjustment .................:Auto
     tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto
    Twr2wr(Different Rank)...................:Auto
    Twr2rd(Different Rank)...................:Auto
    Trd2wr(Same/Diff Rank)..................:Auto
    Dimm1 Clock Skew Control...............:Auto  ps
    Dimm2 Clock Skew Control...............:Auto  ps
    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................:1.16250V
    CPU Termination…..... 1.200V*.......: 1.240v
    CPU PLL…………………....1.500V*.......: Auto
    CPU Referen.…………....0.760V*.......: Auto
    MCH/ICH
    MCH Core…………….....1.100V...........: 1.240V
    MCH Reference….…….0.760V...........; Auto
    MCH/DRAM Ref.…......0.900V...........: Auto
    ICH I/O……………….....1.500V............: 1.500V
    ICH Core…………...……1.100V............: 1.100V
    DRAM
    DRAM Voltage ……....1.800V............: 2.100V
    DRAM Termination .…0.900V............: Auto
    Channel A Reference 0.900V............: Auto
    Channel B Reference 0.900V............: Auto
    Advanced Settings
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled]
    Please replace all the values in the above template with your own. The data in the above template is just for demonstration purposes and will not apply completely to your components.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  10. #10
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    Default Re: Known issues with GA-EP45-UD3P HW rev 1.6?

    Quote Originally Posted by Psycho101 View Post
    Did you do a fresh install of Win 7 on the new board or try and |"re-use" the old install? if the latter then this explains with near certainty why you get BSOD's.

    Unfortunately it seems that you have RMA'd the board rather prematurely. There were many things thet needed to be done before concluding the board was at fault. You may well find the exact same issue with the replacement, or if you're really unlucky it will be tested and returned to you as working, along with a bill/service charge.

    Setting legacy IDE and trying an install, followed by installing Intel Matrix drivers, then switching to AHCI via the registry and the BIOS may have cured the issue. I notice you have 4 WD SE16/Cav. Blue's. Are they in RAID or all single disks? This alters how you'd set up the ICH SATA ports too.

    Little thing like making sure the optical drive is on the yellow ports at position 6 (SATA_5) and not on the purple ports can effect Windows installs too. I was unable to install 7 using the purple ports.

    There's not much I can do to help now, but if you have the same issue when the replacement arrives, post back here and we can help further.
    I tried a couple things with Windows 7:
    - Booting to the existing install. BSOD. Not entirely unexpected.
    - Booting to the existing install in recovery mode. This works, but well, there's not much you can do there.
    - Booting off the Windows 7 setup disk. This results in a BSOD before anything useful happens.

    I've tried every possible combination of legacy/native IDE/AHCI available in the BIOS. All resulted in a BSOD when attempting to install Windows 7 (I don't have XP or Vista install discs handy). I even disconnected all the drives except for the optical drive and one of the hard drives while testing (I tried both the Raptor and one of the Caviars for this), and still got the BSOD.

    The one thing I didn't think of was moving the optical drive from the Gigabyte port (purple port) to one of the ICH10R ports; the reason is it seemed like the optical drive was working fine--I booted an Ubuntu live CD without problems. It's an interesting suggestion, so since I haven't sent out the RMA, I'll try it out when I get home from work today if I'm not feeling too lazy.

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