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Thread: GA EP45C-DS3 and Corsair MXS3 1600 DDR3




  1. #1
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    Default GA EP45C-DS3 and Corsair MXS3 1600 DDR3

    I need help to configure my Bios for those memorys.. Rams are a Twin Corsair 4GB 1600 DDR3 MXS3 DHX ( 2 x 2Gb modules) type. My Bios are all deafult from factory, My CPU is a Intel 9300. 2,5 Ghz. . When I first plug the Rams, the CPU-z reads only 1066. and latences are 8-7-7-20. . Corsair advertise 9-9-9-24 at 1600 whyit 1.8v.
    At this point I chanfge on the Bios the voltaje DRAM from dafault 1,5 to 1.8. I hchave introduced manulay the 9 9 9 24 whit the Dram Timing Selectable. and whit the System Memory Multiplier , I have selected 4B that meanst 334x4 and bingo I got my Rams working well a7 1333. The thing is I want to go up to 1600 and I dont know what steps I must to do. Probaly need overclocking to 400 and I need help to do that, I have never play whit any Bios before and Im afraid to mistake, and any help will be very aprecciated . Thanks in advance

    Sorry for my bad english

    Mike, Barcelona

  2. #2
    profJim's Avatar
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    Default Re: GA EP45C-DS3 and Corsair MXS3 1600 DDR3

    We need info about your system and bios settings.
    See this post for details. Click on the link to the generic bios template for your EP45 mobo.
    Ignore the suggested settings at the beginning of the post.

    With your cpu running at 400MHz, your memory will run at its rated speed using the 4.0 memory multiplier.
    If you want to stay at the stock 2.50GHz speed, we can lower the cpu multiplier.
    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
    .


  3. #3
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    Default Re: GA EP45C-DS3 and Corsair MXS3 1600 DDR3

    Quote Originally Posted by profJim View Post
    We need info about your system and bios settings.
    See this post for details. Click on the link to the generic bios template for your EP45 mobo.
    Ignore the suggested settings at the beginning of the post.

    With your cpu running at 400MHz, your memory will run at its rated speed using the 4.0 memory multiplier.
    If you want to stay at the stock 2.50GHz speed, we can lower the cpu multiplier.
    What I did , is keeping the 333x4b in the Memory Multipler, I have changed the CPU Host Frequency to, 350, 380 and 400 and I see Hoh the memory frecuency benn comming uo to,, Well 380x7=2660 Gh, is wotking ok and the memory riuns at: 760 better tahn before, but if y go to 400x7. NO. I have try 400x7. and I clik F10 save and ecit. The pC shopu dawn and reboot ,,, for a fe seconds, again shot dawn and reboot and l load Windws. I chek whit CPU-z and no way. the memory falls to 1060 and the CPU back to 1333x7.. What you suggest me? . I dont have any little interes tom overclock my CPU.I only will try if the RAM will run at 1600 whit the stock CPU 2.5 if not, leet se if you have any idea. many Thanks for you help sir.

    Last edited by ea3ot; 05-08-2009 at 08:02 AM.

  4. #4
    profJim's Avatar
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    Default Re: GA EP45C-DS3 and Corsair MXS3 1600 DDR3

    With 417MHz:
    cpu: 6 x 417 = 2.502 MHz
    mem: 4 x 417 = 1668 MHz

    There are other bios settings that need to be changed to run at these settings.
    Fill in your bios settings from the link in my first post and we can provide the changes that will get you to your goals.
    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
    .


  5. #5
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    Default Re: GA EP45C-DS3 and Corsair MXS3 1600 DDR3

    OK. I will post what I have on my bios, but at the moment I can.t use 400 beaucouse the Bios reset it self to 333x7.5 and Memory falls to 1060.

  6. #6
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    Default Re: GA EP45C-DS3 and Corsair MXS3 1600 DDR3

    That's OK, post your 380 x 7 bios settings.

  7. #7
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    Default Re: GA EP45C-DS3 and Corsair MXS3 1600 DDR3

    Let me add, I have tried whit more than 380, Whit 399, and:
    CPU enhanced HAlt C1e >> Disabled
    Cpu termal monitor >> Disabled
    Cpu EIST function >> Disabled

    And I finaly get ONE single reboot , ( using 399) but Windows Vista starts to load bad, I get a Blue screen , mentionig very quickly something about memory, and no way, I back to 380, and it,s ok and is the max I can reach
    By tjhe way my Bios version es only F2, never been updated. Why that happens??? Its, not factory stock use 400 ?????

    Dram voltage 1.8



    URL=http://img14.imageshack.us/my.php?image=hpim2181.jpg][/URL]
    Last edited by ea3ot; 05-09-2009 at 12:31 AM.

  8. #8
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    Default Re: GA EP45C-DS3 and Corsair MXS3 1600 DDR3

    F5 is the latest bios version for your motherboard. Versions F3 thru F5 feature "Enhanced Memory Compatibility". Update your bios to F5 using the procedures in Lsdme's Bios Flashing Guide.

    I will provide bios settings for you tomorrow night.
    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
    .


  9. #9
    Lsdmeasap's Avatar
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    Default Re: GA EP45C-DS3 and Corsair MXS3 1600 DDR3

    I would suggest you update your BIOS F2 is pretty old and all three newer BIOS updates have addressed memory compatibility issues.

    Here is the latest BIOS page, I would grab F5 >>
    GIGABYTE - Support&Download - Motherboard - BIOS - GA-EP45C-DS3 (rev. 1.0)

    And please read this guide on how to flash using Qflash >>
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    You will have to of course use more than 333 FSB and overclock your CPU to run your ram at 1600Mhz, but as you know there is many ways to do that. I would suggest you use a whole Number CPU multiplier.

    7x400 is only 2.8 so that should be easy if you want to keep your CPU not overclocked so much, or as said above 417 would be right at 2.5Ghz

    I would suggest you set MCH Voltage to 1.2-1.3 and then you should have better luck, you may also need to adjust Vtt (Termination) to maybe 1.225-1.3 depending on the Vcore you use

    Put Performance Enhance on Standard as well

  10. #10
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    Default Re: GA EP45C-DS3 and Corsair MXS3 1600 DDR3

    OK , many thanks for the info. I will see if Im capable to upgrade my Bios and dont miss my life on that!!!!

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