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Thread: Help needed to boot EP45T-DS3R with 4 ram sticks




  1. #11
    Ztehxe is online now Junior Member
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    Default Re: Help needed to boot EP45T-DS3R with 4 ram sticks

    Thanks again, ProfJim.

    I mean, a difference greater than 0.5V. This is, if MCH Core is 1.1, DRAM should not exceed 1.6V. Is this true?

    One last question. Somewhere I have read that 4 ram sticks demand a higher voltage than 1 stick. E.g., if for one module DRAM voltage is 1.5, with 4 modules it should be set, letīs say, 1.7V. Is this another one true?

    I will do the search as you suggested.

  2. #12
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    profJim is online now Chief Munchkin + moderator
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    Default Re: Help needed to boot EP45T-DS3R with 4 ram sticks

    Quote Originally Posted by Ztehxe View Post
    Thanks again, ProfJim.

    I mean, a difference greater than 0.5V. This is, if MCH Core is 1.1, DRAM should not exceed 1.6V. Is this true?

    One last question. Somewhere I have read that 4 ram sticks demand a higher voltage than 1 stick. E.g., if for one module DRAM voltage is 1.5, with 4 modules it should be set, letīs say, 1.7V. Is this another one true?

    I will do the search as you suggested.
    Disregard the above mentioned MCH Core versus DRAM Voltage limitation, I've never seen any suggestions that deal with this limitation.

    With LGA775 systems, using four memory modules usually requires higher MCH Core and DRAM voltages. There are often guidelines and suggestions that depend on your motherboard brand and model number. This isn't an exact science to finding stable settings. You and I could have identical hardware and the fully stable settings on my computer might cause problems with your computer. With older LGA775 ddr3 systems, 1.60 volts for memory should be OK if needed. Using higher DRAM voltage settings will probably shorten the life of the memory and it might also damage your motherboard.

    How did you determine that your specific Kingston memories are compatible with your motherboard? The Kingston memory search feature on their website does not include any Gigabyte EP45T boards. Is your memory module part number on the Gigabyte memory QVL list for your motherboard?

    I've seen several forum threads where the poster bought much newer ddr3 memory that failed miserably when installed in much older motherboards. The safest way to go is to only purchase memory kits that have been tested by the motherboard manufacturer or the memory manufacturer.

    Contact Kingston tech support to see if they tested your specific memory kits for compatibility with your motherboard. It is possible that they have tested your memory with an EP45T motherboard but they didn't bother to update their memory search feature on their website for motherboards that were already five or more years old.
    Last edited by profJim; 21 Hours Ago at 04:15 PM.
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  3. #13
    Ztehxe is online now Junior Member
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    Default Re: Help needed to boot EP45T-DS3R with 4 ram sticks

    Quote Originally Posted by profJim View Post
    This isn't an exact science to finding stable settings. You and I could have identical hardware and the fully stable settings on my computer might cause problems with your computer.
    This clarifies my confusion. I was thinking that, given a specific hardware and its technical specifications, it was just a matter of applying some mathematical formulas to find the correct BIOS values.

    Quote Originally Posted by profJim View Post
    How did you determine that your specific Kingston memories are compatible with your motherboard? The Kingston memory search feature on their website does not include any Gigabyte EP45T boards. Is your memory module part number on the Gigabyte memory QVL list for your motherboard?
    No, it is not. There are no 4GB modules on that QVL list.

    Quote Originally Posted by profJim View Post
    Contact Kingston tech support to see if they tested your specific memory kits for compatibility with your motherboard. It is possible that they have tested your memory with an EP45T motherboard but they didn't bother to update their memory search feature on their website for motherboards that were already five or more years old.
    I will contact them.

    Thank you very much for all your support, ProfJim.
    Best regards.

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