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Thread: EP45-DS3L Dual Ch. RAM Issue




  1. #21
    Chike is offline Senior Member
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    Default Re: EP45-DS3L Dual Ch. RAM Issue

    If not 3.GHz than 2.83, the heatsink should hold without a problem.
    FSB 333 might (or might not) be the cure for you memory problems, who knows.
    You can try with CPU Ratio 8 for minoe 2.66GHz OC with none or 2-3 ticks more vcore max.
    Bfore attempting to raise FSB read this post and set voltages manually as explained.

  2. #22
    profJim's Avatar
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    Default Re: EP45-DS3L Dual Ch. RAM Issue

    DDR2 memory prices have soared!!
    I bought my memory (see my sig) for $60 (after MIR) 9 months ago, now it's selling for $102. I checked my DDR2-1066 Newegg browser tab and most of these kits are between $90 - $110 now. DDR2 prices will only go higher.
    I mention this because you'll probably need to upgrade your memory if you want to overclock much higher. Watch for rebates to help bring the cost down.

    You've done a good job in zeroing in the MCH Core volt setting.
    Keep in mind that the lowest memory multiplier that you can use is 2.0, so the maximum memory speed that you can run your ram will limit your highest overclock. For example, if 720MHz is the highest you can go with your ram, this means that 360MHz (720 divided by 2.0) is the highest FSB (aka Cpu Host Frequency) that you can use. 9.5 x 360 = 3.420GHz isn't at all shabby. You'll have to decide if it's worth spending about $100 more for a new kit of memory that will possibly let you o/c to about 3.8GHz or a bit higher.

    Leave your PCI Express Clock Drive setting at the current default optimized value.
    If you're into gaming, run your most demanding game for several hours as an additional stress test at your current stable settings. Then we will find the limits of your memory.

    Let us know when you're ready to o/c higher.
    Keep up the excellent work.
    Q9650 @ 4.10GHz [9x456MHz]
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  3. #23
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    Default Re: EP45-DS3L Dual Ch. RAM Issue

    Just checked the BIOS I listed an earlier post and realised that I had made a mistake. correction below:

    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….....1.05000V..........: 1.05000v<o:p></o:p>
    <<set manually>>
    CPU Termination…..... ..1.200V..............: 1.200V <<set manually>>
    CPU PLL…………………1.550V.............: 1.550V <<set manually>>
    CPU Referen.…………....0.805V…….......: [Auto]
    MCH/ICH
    MCH Core…………….....1.100V...........:1.05V
    <<set manually>>
    MCH Reference….…….0.760V...........: [Auto]
    ICH I/O……………….....1.550V............: 1.550V<o:p></o:p>
    <<set manually>>
    <o:p> </o:p>
    DRAM
    DRAM Voltage ……....1.800V............: 1.920V<o:p></o:p>
    <<set manually>>

    ......sorry.. another cut and paste failure :(

    Gigabyte GA-EP45-DS3L rev 1.0 (BIOS F10)
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  4. #24
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    Default Re: EP45-DS3L Dual Ch. RAM Issue

    Thanks again for the advice :)

    RAM @800 single channel runs crysis and COD4 fine, but it was dual ch. that started me looking into this issue ..

    My local PC store does not stock the ram you mentioned earlier, will try to find my current max Dual Ch RAM speed then make a decision regards some new RAM.

    Cheers

    Gigabyte GA-EP45-DS3L rev 1.0 (BIOS F10)
    Intel E7200 Core2Duo 2.53Ghz, Intel HSF
    Kingston 2x2G DDR2-800
    KVR800D2N5/2G
    nVIDIA GeForce 9800GT 512MB
    Cooler Master Centurion 5 Case w/Cooler Master 460W PSU
    XP Pro (32 bit) SP3



  5. #25
    Chike is offline Senior Member
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    Default Re: EP45-DS3L Dual Ch. RAM Issue

    Quote Originally Posted by Vcore View Post
    RAM @800 single channel runs crysis and COD4 fine, but it was dual ch. that started me looking into this issue ..
    You didn't have the right MCH Core then though.
    Cut it some slack and set tRAS 18 insetad 15.
    Would still be worth another go when you try 333FSB (I myself don't like the mid frequencies) even if you can't make it work at 266.

  6. #26
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    Default Re: EP45-DS3L Dual Ch. RAM Issue

    Yeah, MCH core has always been set to 1.05V single ch. one stick and then with the addition of 2nd stick.

    Gigabyte GA-EP45-DS3L rev 1.0 (BIOS F10)
    Intel E7200 Core2Duo 2.53Ghz, Intel HSF
    Kingston 2x2G DDR2-800
    KVR800D2N5/2G
    nVIDIA GeForce 9800GT 512MB
    Cooler Master Centurion 5 Case w/Cooler Master 460W PSU
    XP Pro (32 bit) SP3



  7. #27
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    Default Re: EP45-DS3L Dual Ch. RAM Issue

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="ProgId" content="Word.Document"><meta name="Generator" content="Microsoft Word 11"><meta name="Originator" content="Microsoft Word 11"><link rel="File-List" href="file:///C:%5CUsers%5CBrendan%5CAppData%5CLocal%5CTemp%5Cms ohtml1%5C01%5Cclip_filelist.xml"><!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:PunctuationKerning/> <w:ValidateAgainstSchemas/> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:Compatibility> <w:BreakWrappedTables/> <w:SnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> <w:DontGrowAutofit/> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--><!--[if gte mso 9]><xml> <w:LatentStyles DefLockedState="false" LatentStyleCount="156"> </w:LatentStyles> </xml><![endif]--><style> <!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0pt; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} @page Section1 {size:612.0pt 792.0pt; margin:72.0pt 90.0pt 72.0pt 90.0pt; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> </style><!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0pt 5.4pt 0pt 5.4pt; mso-para-margin:0pt; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} </style> <![endif]--> More changes and testing…<o:p></o:p>
    <o:p> </o:p>
    Disabled HPET and left RAM @ 667 (266 x 2.5): stable with prime (blend > 2hrs)<o:p></o:p>
    <o:p> </o:p>
    HPET Disabled and set RAM @ 800 (266 x Auto): system freeze, retest – system freeze<o:p></o:p>
    <o:p> </o:p>
    Left ram @ 800 and changed tRAS to 18: system freeze, retest – system freeze<o:p></o:p>
    <o:p> </o:p>
    RAM @ 745 (298 x 2.5; CPU 8.5 for 2.53) tRAS 18: system freeze<o:p></o:p>
    <o:p> </o:p>
    RAM @ 703 (281 x 2.5; CPU 9 for 2.53) tRAS 18: stable with prime (blend ,1 hr )

    Gigabyte GA-EP45-DS3L rev 1.0 (BIOS F10)
    Intel E7200 Core2Duo 2.53Ghz, Intel HSF
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    nVIDIA GeForce 9800GT 512MB
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  8. #28
    profJim's Avatar
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    Default Re: EP45-DS3L Dual Ch. RAM Issue

    I would use the "split the difference approach" and test with 290MHz. If your system doesn't freeze and passes a 2 hour Prime95 Blend test, then you'll split the difference again, between 290 and 298. Obviously if the 290 test fails, you'll split the difference between 290 and 281. This approach should save a fair amount of stress testing time.

    Another approach that will give you better overall system performance is to test with Cpu Host Frequency = 350 using the 2.00B memory multiplier (for 700MHz) and the Cpu Clock Ratio = 7 or 7.5. You can perform additional tests by increasing cpu frequency by 2 to 5MHz to gradually increase the memory speed. You will probably need to increase your CPU Core voltage by several clicks to maintain stability. Given your very low core voltage, you can probably cheat a bit by setting the Cpu Core Voltage to AUTO. Note, this approach normally isn't recommended unless you're closely monitoring the AUTO-setting chosen by the bios and you're not attempting very high overclocks.

    Static tRead Value (aka tRD or Performance Level in Memset) = 7 should work OK in the mid 300MHz range. Once you've found your highest memory speed, tRD = 6 should be stable. Lower (tighter) settings give better memory performance. If tRD is set to AUTO for both memory channels, the bios will select a much looser (safe and stable) setting. My preference is to manually set slightly looser memory timings while overclocking. Final memory tweaking is done once you've reached you final o/c level.

    Good Luck.
    Q9650 @ 4.10GHz [9x456MHz]
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    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
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    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
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  9. #29
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    Default Re: EP45-DS3L Dual Ch. RAM Issue

    mmmm.....

    I last posted that my "RAM @ 703 (281 x 2.5; CPU 9 for 2.53) tRAS 18: stable with prime (blend ,1 hr )"

    This test caused system freeze after 2h 45min
    . retest and freeze after 2h 15min..

    went back and tested @ 667 (prime blend 5 hrs) system stable.

    looks like i will accept max RAM speed of 667. and highest o/c may be 3.1 Ghz (333 x 9.5)

    I will revisit RAM speeds again after some stable over clocking

    First i need to look at temps. during all of my testing i was monitoring temps using core temp (0.99.5). It listed a Tj. Max of 100.C : Core#0 High of 54.C and Core#1 high of 51.C (these were during prime - blend and 100% load.) I am i correct to run my E7200 to a max of 70 - 75.C using core temp?

    Gigabyte GA-EP45-DS3L rev 1.0 (BIOS F10)
    Intel E7200 Core2Duo 2.53Ghz, Intel HSF
    Kingston 2x2G DDR2-800
    KVR800D2N5/2G
    nVIDIA GeForce 9800GT 512MB
    Cooler Master Centurion 5 Case w/Cooler Master 460W PSU
    XP Pro (32 bit) SP3



  10. #30
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    Default Re: EP45-DS3L Dual Ch. RAM Issue

    Core temperatures up to 75 (C) are OK, but you shouldn't see temps this high unless you're running IBT (Intel BurnTest). Your current Prime95 temperatures are reasonable. The quality of your cpu heatsink/fan and case ventilation are major factors in how well your system is cooled.

    **edit** RealTemp and CoreTemp have built-in temperature logging options.
    Last edited by profJim; 10-24-2009 at 06:50 PM.
    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
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    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)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    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
    .


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