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Thread: Gigabyte EP45-UD3P - memory issues




  1. #1
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    Unhappy Gigabyte EP45-UD3P - memory issues

    Hi all,

    I suddenly started getting Windows 7 BSODs. Analysis of the minidumps showed that each crash was caused by different drivers, however all reported memory read errors.

    So I fired up Memtest86+ as suggested by a few threads I've seen here. It's done 43% and so far the error count is upto 3963!

    So how do I go about finding out which stick(s) is(are) bad? Do I take them all out and test each one?

    Also, I have not tweaked any NB voltages. Could that be causing memory issues as well (not enough voltage to drive 8GB)? I've had this setup since Nov 2008.

    My specs are:
    Intel Q9550 E0
    Gigabyte EP45-UD3P
    8GB Corsair PC1066 (2 sets of TWIN2X4096-8500C5D)


    Any help appreciated.

    Many thanks.

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

    Take one pair out if the error continue check each stick in it's own slot then the other if it comes up with errors.
    The same with the other pair, in it's original slots.
    If one stick come with errors in one slot but not in the other, try another stick in that slot.
    Ae all running at 1066 and spec timings/voltage?

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

    Which version BIOS are you using? Is your BIOS up to date? Did you over clocking system (If so, what settngs in BIOS?)?

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    Default Re: Gigabyte EP45-UD3P - memory issues

    Hi guys,

    Thanks for the quick replies. Will test using two DIMMs each time.

    Are all running at 1066 and spec timings/voltage?
    Yes, all stock. CPU also at stock.

    Which version BIOS are you using? Is your BIOS up to date? Did you over clocking system (If so, what settngs in BIOS?)?
    I believe it's F8. Forgot to say board version is 1.0. I don't usually upgrade the BIOS unless there are major issues (if it ain't broke, don't fix it).

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

    Can you please attach CPU-Z text report(in about tab)?

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

    Quote Originally Posted by Chike View Post
    Can you please attach CPU-Z text report(in about tab)?
    I will when I get Windows back up and running again after finding a good pair of RAM sticks. I think Windows got corrupted last night, so will have to restore from backups.

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

    How many successful passes of Memtest86+ std tests would be sufficient to prove a pair of RAM sticks are working fine?

  8. #8
    Chike is offline Senior Member
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    Default Re: Gigabyte EP45-UD3P - memory issues

    At least one, then try to run test #5 alone, press c, 1, 3, 5, enter, 0.
    memtest itself is not enough to prove stability but it shoud find a faulty stick.

    Latest BIOS F10 lists improved memory compatibilities, worht trying. If you decide to upgrade please do it with only one memory stick Performance Enhance standard, XMP disabled.
    Last edited by Chike; 07-08-2011 at 08:33 PM.

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

    Latest update:

    One set checks out in its existing slot (2x std pass and test #5, all pass), so have moved it to the next set of slots to test.

    Chike, I will download the F10 BIOS as well.

    Something I've just noticed though is Gigabyte's manual states this board supports DDR2 1.8V modules, whereas the Corsair ones I have are 2.1V? It is on the list of supported memory modules though. Could this be an issue (question really then becomes why now rather than at the start)?

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

    Memory compatibility can always be an issue, but 2.1v should not be any problem, all OCed memory require higher voltage sometime 2.3v or higher.Can't say why not and not right from begginin, machines and parts are probably wearing off.
    Maybe a few tweaks will get it back on track.
    Have you made any changes in BIOS M.I.T or are you just using defaults?

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