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Thread: GA EP45-DS4 and Corsair CM2X2048-6400C4 problems




  1. #1
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    Default GA EP45-DS4 and Corsair CM2X2048-6400C4 problems

    Hello I'm new to this forum and I hope that someone can help me with my new system.

    System: GA EP45-DS4 with Core2Duo E8500
    Memory: Corsair 2x CM2X2048-6400C4
    Problem: System very unstable with this memory

    Tried it with extreme memory profile enabled and disabled in bios
    Tried 1.8 Volt and 2.1 Volt

    According to SPD memory can have 5-5-5-18 timings @400 Mhz
    RRD-3
    WTR-3
    WR-6
    RFC-51
    RTP-3
    Copied these settings in bios with no luck.

    With extreme memory settings enabled the system is just as instable.It will then run on 4-4-4-12 @ 2.1Volt

    When I try 1Gig of Hynix 6-6-6-18 memory the system works just fine.

    I would like to use the fast Corsair memory in this system and it feels like I am missing an important setting in bios for it to work. Maybe someone can help me out here.

    I have set the PCI Express freq. to 100 Mhz manually and I disabled CIA2 in bios.

  2. #2
    Lsdmeasap's Avatar
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    Default Re: GA EP45-DS4 and Corsair CM2X2048-6400C4 problems

    Is this 2x1 or 2x2GB? I will assume for now 2x2 because of your trfc setting mentioned above. Can you please post a link to the exact models you bought so I can be sure of some things? Thanks!

    2x2GB for sure need some adjustments, Auto is not best for most things, and XMP can be disabled and manually set things is best. Performance enhance and trd setting along with MCH voltage is likely your issues.

    What BIOS are you using now? F6, F7, and F8 have improved ram compatibility and performance. F inparticular has fixed issues with the 2.40 memory multiplier which you would need to be using, so if you are using F5 BIOS you may have to update to at least F6
    GIGABYTE - Support - Motherboard - BIOS - GA-EP45-DS4 (rev. 1.0)

    DO not use @BIOS, need flashing help? >>>
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    Try this for stock CPU Speed and ram speed >>>
    This is Just a template I use to ask people their settings, pay no attention to the numbers in it, replace with yours

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Auto]
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.5
    CPU Frequency ...........................: 3.16Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 333Mhz
    PCI Express Frequency (Mhz) .........:Set to 100

    C.I.A.2 .................................:[Disabled]


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800
    PCI Express Clock Drive.................: <<< 900
    CPU Clock Skew (ps)....................: <<<
    MCH Clock Skew (ps)...................: <<<


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [333] << 400 may work but try later on once stable

    System Memory Multiplier ..............: 2.40
    Memory Frequency (Mhz) ..............: 800Mhz
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................4
    tRCD .........................................4
    tRP'...........................................4
    tRAS..........................................12

    If you have no luck with all this, set 5-5-5-15 above and try again with below settings for now

    Below are ranges, set to all the highest first and then later you can lower one at a time testing between each move with Memtest86+. If you move to many without testing you will never know which is causing your errors

    Advanced Timing Control
    tRRD...........................................3-4
    tWTR..........................................3-6 (May need 8-12)
    tWR............................................4-6 (May need 8-14)
    tRFC...........................................52-62
    tRTP...........................................3-6
    Command Rate (CMD) ....................:2

    Channel A
    Static tRead Value.........................:7-10
    tRD Phase0 Adjustment...................:<<< Leave for all below as well
    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.........................:7-10
    tRD Phase0 Adjustment...................:<<< Leave for all below as well
    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….……….........................:
    CPU Termination…..... 1.200V*.......: <<< Leave
    CPU PLL…………………....1.500V*.......: <<< Leave
    CPU Referen.…………....0.755V*.......: <<< Leave
    CPU Reference2………,,0.800V*.......:<<< Leave

    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.2-1.25 << Needed for 2.2GB ram
    MCH Reference….…….0.800V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.550V............: <<< Leave
    ICH Core…………...……1.100V............: <<< Leave

    DRAM
    DRAM Voltage ……....1.800V............: 2.1V
    DRAM Termination .…0.900V............: <<< Leave
    Channel A Reference 0.900V............: <<< Leave
    Channel B Reference 0.900V............: <<< Leave

    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Disabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]

  3. #3
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    Default Re: GA EP45-DS4 and Corsair CM2X2048-6400C4 problems

    Thanks for replying!

    I am using two modules of Corsair CM2X 2048-6400C4 DHX memory
    link: Welcome to Corsair :: XMS2 DHX Product Information
    Tried it one at a time and both in slot 1-3 and 2-4

    Allready flashed to bios F8 using Qflash.

    All these settings are confusing me; I still think some adjustment needs to be made in bios settings.

    Tried some settings today without any luck; bluescreens after a minute ore so.

    <link rel="File-List" href="file:///C:%5CDOCUME%7E1%5CREN%7E1%5CLOCALS%7E1%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:HyphenationZone>21</w:HyphenationZone> <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:0cm; 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:595.3pt 841.9pt; margin:70.85pt 70.85pt 70.85pt 70.85pt; mso-header-margin:35.4pt; mso-footer-margin:35.4pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> </style><!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:Standaardtabel; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; 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]--> MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Auto]
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.5
    CPU Frequency ...........................: 3.16Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 333Mhz
    PCI Express Frequency (Mhz) .........:Set to 100

    C.I.A.2 .................................:[Disabled]


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800
    PCI Express Clock Drive.................: <<< 900
    CPU Clock Skew (ps)....................: <<<
    MCH Clock Skew (ps)...................: <<<


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [333]

    System Memory Multiplier ..............: 2.40
    Memory Frequency (Mhz) ..............: 800Mhz
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................4
    tRCD .........................................4
    tRP'...........................................4
    tRAS..........................................12


    Advanced Timing Control
    tRRD...........................................4
    tWTR..........................................6
    tWR............................................6
    tRFC...........................................62
    tRTP...........................................6
    Command Rate (CMD) ....................:2

    Channel A
    Static tRead Value.........................:10
    tRD Phase0 Adjustment...................:<<< Leave for all below as well
    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.........................:10
    tRD Phase0 Adjustment...................:<<< Leave for all below as well
    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….1.2500……….........................:
    CPU Termination…..... 1.200V*.......: <<< Leave
    CPU PLL…………………....1.500V*.......: <<< Leave
    CPU Referen.…………....0.755V*.......: <<< Leave
    CPU Reference2………,,0.800V*.......:<<< Leave

    MCH/ICH
    MCH Core…………….....1.2...........: << (tried 1.2 and 1.25)
    MCH Reference….…….0.800V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.550V............: <<< Leave
    ICH Core…………...……1.100V............: <<< Leave

    DRAM
    DRAM Voltage ……....2.100............: 2.1V
    DRAM Termination .…0.900V............: <<< Leave
    Channel A Reference 0.900V............: <<< Leave
    Channel B Reference 0.900V............: <<< Leave

    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Disabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]

  4. #4
    Lsdmeasap's Avatar
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    Default Re: GA EP45-DS4 and Corsair CM2X2048-6400C4 problems

    Try these changes >>>
    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [333] << Try 400, without the below changes, then if not luck use below changes with 400

    System Memory Multiplier ..............: 2.40
    Memory Frequency (Mhz) ..............: 800Mhz
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................4
    tRCD .........................................4
    tRP'...........................................4
    tRAS..........................................12


    Advanced Timing Control
    tRRD...........................................4
    tWTR..........................................8
    tWR............................................10
    tRFC...........................................58
    tRTP...........................................6
    Command Rate (CMD) ....................:2

    Channel A
    Static tRead Value.........................:10

    Channel B
    Static tRead Value.........................:10

    MCH/ICH
    MCH Core…………….....1.2...........: << 1.3

  5. #5
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    Default Re: GA EP45-DS4 and Corsair CM2X2048-6400C4 problems

    Thanks for replying again!

    But no, these settings don't work either.

    Do you perhaps have any more suggestions?

    Regards,

    Rene

  6. #6
    Lsdmeasap's Avatar
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    Default Re: GA EP45-DS4 and Corsair CM2X2048-6400C4 problems

    Can you test these settings in the other set of slots? Like 2 and 4 if you are using 1 and 3? They should for sure be working.

    If not luck, try this (And this means the ram is DOA (Not run to spec timings) in my opinion or not compatible with your board) >>>
    CAS Latency Time.......................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................15

  7. #7
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    Default Re: GA EP45-DS4 and Corsair CM2X2048-6400C4 problems

    Quote Originally Posted by Lsdmeasap View Post
    Can you test these settings in the other set of slots? Like 2 and 4 if you are using 1 and 3? They should for sure be working.

    If not luck, try this (And this means the ram is DOA (Not run to spec timings) in my opinion or not compatible with your board) >>>
    CAS Latency Time.......................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................15
    Thanks again, but no luck.
    Guess it's a incompatibility issue.
    Bought two pieces of the same memory, but now the 1gig variety and they worked out of the box. Only adjusted the bios to 2.1 Volt,
    I noticed they are on the tested list on the gigabyte website.
    The ones with a capacity of 2 gig aren't.

  8. #8
    Lsdmeasap's Avatar
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    Default Re: GA EP45-DS4 and Corsair CM2X2048-6400C4 problems

    Could be all it is, they are all programmed differently, the ram I mean.

    So you are all up and running now then? Great if so!

  9. #9
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    Default Re: GA EP45-DS4 and Corsair CM2X2048-6400C4 problems

    Quote Originally Posted by Lsdmeasap View Post
    Could be all it is, they are all programmed differently, the ram I mean.

    So you are all up and running now then? Great if so!
    Yes the system is running fine now.
    I noticed the 1 gig corsairs are programmed differently in SPD then the 2 gig ones.

    Maybe i can stick to the settings of the 1 gig ones and then try the 2 gig ones with it?

    Well for now I'm happy that things are working, maybe I can use the memory later in a different system.

  10. #10
    Lsdmeasap's Avatar
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    Default Re: GA EP45-DS4 and Corsair CM2X2048-6400C4 problems

    Na, Not likely 1GB settings will work for 2GB sticks for sure.

    Well at least for now you have a working system, if you do ever plan to get 2x2 I highly suggest Mushkin brand

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