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Thread: Gigabyte EP45-UD3P - memory issues




  1. #11
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    Default Re: Gigabyte EP45-UD3P - memory issues

    Quote Originally Posted by Chike View Post
    Have you made any changes in BIOS M.I.T or are you just using defaults?
    All defaults. Let me know what BIOS settings you'd like captured - I'll do that once this latest run of Memtest86+ completes.

  2. #12
    Chike is offline Senior Member
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    Default Re: Gigabyte EP45-UD3P - memory issues

    Higher MCH Core normally required for high speed/large memory configurations, some other tweaks like Performance enhance tRD(Static tRead Value in BIOS, Performance Leve in MemSet) and tRFC may help too.

  3. #13
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    Default Re: Gigabyte EP45-UD3P - memory issues

    Hi Chike,

    My BIOS settings are as follows.

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster -------------- : [Auto]
    CPU Clock Ratio ---------------------- : [8]
    CPU Frequency ---------------------: 2.83GHz (333x8.5)
    
    
    Clock Chip Control
    CPU Host Clock Control ---------------- : [Disabled]
    PCI Express Frequency (Mhz) ----------- : [Auto]
    C.I.A.2 ------------------------------- : [Disabled]
    
    
    DRAM Performance Control
    Performance Enhance ------------------- : [Turbo]
    Exreme Memory Profile (X.M.P) --------- : [Auto]
    System Memory Multiplier -------------- : [Auto]
    Memory Frequency (Mhz) ---------------- : 1066
    DRAM Timing Selectable ----------------- : [Auto]
     
    Standard Timing Control
    tRRD -------------------- 4  ---------- : [Auto]
    tWTR -------------------- 4  ---------- : [Auto]
    tWR --------------------- 8  ---------- : [Auto]
    tRFC -------------------- 68 ---------- : [Auto]
    tRTP -------------------- 4  ---------- : [Auto]
    Command Rate ------------ 0  ---------- : [Auto]
    
    
    Advanced Timing Control
    
    
    Channel A
    Static tRead Value --------------------- : 8 [Auto]
     
    Channel B
    Static tRead Value --------------------- : 8 [Auto]
    
    
    Motherboard Voltage Control
    CPU
    Voltage Types------------ Normal -------- Current -----
    Load-Line Calibration ----------------- : [Disabled]
    CPU Vcore --------------- 1.25000V ---- : [Auto]
    CPU Termination --------- 1.200V ------ : [Auto]
    CPU PLL ----------------- 1.500V ------ : [Auto]
    CPU Reference ----------- 0.760V ------ : [Auto]
    
    
    MCH/ICH
    MCH Core ---------------- 1.100V ------- : [Auto]
    MCH Reference ----------- 0.760V ------- : [Auto]
    MCH/DRAM Reference ------ 0.900V ------- : [Auto]
    ICH I/O ----------------- 1.500V ------- : [Auto]
    ICH Core ---------------- 1.100V ------- : [Auto]
    
    
    DRAM
    DRAM Voltage ------------ 1.800V ------- : [Auto]
    DRAM Termination -------- 0.900V ------- : [Auto]
    Channel A Reference ----- 0.900V ------- : [Auto]
    Channel B Reference ----- 0.900V ------- : [Auto]

  4. #14
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    Default Re: Gigabyte EP45-UD3P - memory issues

    Well, both slots passed the tests and both sets of DIMMS passed all of the tests as well (on both slots).

    What should I do next? Update the BIOS?

    Also, something strange is happening with my Logitech G110 keyboard since this memory issue started. The keyboard light colour used to be red but suddenly switched to blue, and now after the PC powers off, the num light remains on! Does this point to a corruption of the BIOS or unrelated to the memory issue?

  5. #15
    Chike is offline Senior Member
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    Default Re: Gigabyte EP45-UD3P - memory issues

    Run memtest86+ with all DIMMs installed.
    BTW install each matched kit in it's own chanel, one matched pair in slots 1 & 2, and the other in slots 3 & 4.

    If you decide to update BIOS read http://forums.tweaktown.com/gigabyte...ash-guide.html
    Do it with one memory module, Performance Enhance standard and XMP disabled.
    In Q-Flash disable "Keep DMI Data"

    Would the same happen with the keyboard if you turn the power off and back on or just after windows shutdown?
    Last edited by Chike; 07-09-2011 at 07:47 PM.

  6. #16
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    Default Re: Gigabyte EP45-UD3P - memory issues

    Quote Originally Posted by Chike View Post
    Run memtest86+ with all DIMMs installed.
    Will do that now.

    BTW install each matched kit in it's own chanel, one matched pair in slots 1 & 2, and the other in slots 3 & 4.
    Yes, that's how I had them originally and will do so again now.

    If you decide to update BIOS read http://forums.tweaktown.com/gigabyte...ash-guide.html
    Do it with one memory module, Performance Enhance standard and XMP disabled.
    In Q-Flash disable "Keep DMI Data"
    Thanks, followed that and have updated to the F10 BIOS now.

    Would the same happen with the keyboard if you turn the power off and back on or just after windows shutdown?
    No, when Windows was still working, this wouldn't happen. I wonder if the keyboard profile is stuffed somewhat. Hoping that once I get back onto Windows, it'll resolve itself.

  7. #17
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    Default Re: Gigabyte EP45-UD3P - memory issues

    Hmm, just noticed something strange. On the day the memory errors appeared, Memtest86's screen showed the RAM timings as 5-7-7-24, whereas now it's 5-5-5-15.

    I also noticed that the 2nd set of DIMMs showed the 5-7-7-24 timings as well, even though the sticker on it says 5-5-5-15. Voltage and versions are the same for both sets.

    At the moment I'm not specifying the RAM timings manually in the BIOS. Should I be doing that?

    Also, I don't mind running the RAM at 400MHz (DDR2800) if that'll help with things.

  8. #18
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    Default Re: Gigabyte EP45-UD3P - memory issues

    Ok, errors have popped up on Memtest with all 4 DIMMs populated.

  9. #19
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    Default Re: Gigabyte EP45-UD3P - memory issues

    After flashing the BIOS and loading optimal settings, etc, I had a look under M.I.T settings and noticed the DRAM voltage was still set to 1.8V (DIMMs reported running at 2.08V). I've now gone back into the BIOS and manually set 2.1V for the DRAM voltage.

    So far, 1 successful pass of Test 5 (that's where the only failure was from).

    Do I need to increase MCH voltage to compensate?

  10. #20
    Chike is offline Senior Member
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    Default Re: Gigabyte EP45-UD3P - memory issues

    BIOS only shows the default settings, 2.08 means they probably were set at 2.1v and what you will see after setting manual 2.1v. That's because XMP is on and it take the info from the EPP.
    Are timings set to 5-5-5-15 and DDR to 1066(533)?
    You can set MCH Core 1.16v that may help a bit, when you have windows and able to run Prime95 we'll see if more is needed or you can stay with default.

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