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Thread: GA-EP45-UD3P and Mushkin Memory problems




  1. #1
    Join Date
    Feb 2009
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    12

    Default GA-EP45-UD3P and Mushkin Memory problems

    I just received my GA-EP45-UD3P last night and I'm afraid the BIOS options are a bit over my head. The board first entered a reboot loop with two sticks in dual channel configuration. I bought 4 sticks for 8Gb and was immediately worried that I couldn't get two to work.

    (Mushkin 996587 Newegg.com - mushkin 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory - Desktop Memory )

    With one stick in I was able to get into BIOS and noticed that the board had under clocked my chip or misidentified it. I forget the exact settings but the clock speed was 2.83Ghz, forget the exact multiplier, 8.5?. I changed that to the 3.0Ghz (E8400) it is supposed to be and thought that was the problem, but it was still a no go. Unless the board was correct and I messed that up.

    I've spent most of the morning trying to figure this out and that eventually led me here.

    I had no plans to overclock this system (which is why I went with the cheap ram) and I see now this is a bit of a tweakers board. It was highly recommended to me since my previous system and its replacement were plagued by bad caps. I hope those days are behind me.

    Any assistance on getting this up and running with 4Gbs in dual channel?

    Thanks!

  2. #2
    Join Date
    Sep 2008
    Posts
    990

    Default Re: GA-EP45-UD3P and Mushkin Memory problems

    Are you sure you have an E8400 and not an E8300 (this one has 2.83Ghz stock)?

    Try each stick seperately and run Prime 95 in Windows for at least one hour. If you get an error, then the stick is defective.

    The board is indeed a tweaker's board and by many considered to be the best board 24/7 use.

  3. #3
    Join Date
    Feb 2009
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    12

    Default Re: GA-EP45-UD3P and Mushkin Memory problems

    Unless Intel messed up and put an E8300 in the box. I didn't check the numbers on the chip to the box. I guess I should have that. Any way to make sure? Would a cpuid program verify or do they just pull numbers from BIOS?

    The retail box says, E8400 Prod code: BX80570E8400. Box was sealed and purchased from Newegg.

    I have 2 sticks in now, but they're side by side meaning they're both in single channel operation(?). I didn't know that was possible. I did run memtest on these two. It was an older version off a linux USB pendrive, if that matters.

    It has been about three years since I've built a system and that was an AMD box. So I'm sorry if I sound like a complete noob. Three years probably means I am.

  4. #4
    Join Date
    Sep 2008
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    990

    Default Re: GA-EP45-UD3P and Mushkin Memory problems

    The RAM is supposed to be in same color slots. But do try each RAM stick seperately in Windows in Prime 95. Old memtest versions tend to not find errors sometimes and run fine while Prime 95 finds the error, that's why I recommend it.

    Use load optimized defaults in BIOS to see if that gets you the correct CPU speed. Looks like your BIOS wasn't set to stock settings when the board shipped for some reason.

  5. #5
    Join Date
    Feb 2009
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    12

    Default Re: GA-EP45-UD3P and Mushkin Memory problems

    Ok, I'll be back in a couple of hours. Just going to test two and will be happy with 4Gb in dual channel mode. I'll worry about the other 4 when I'm sure there isn't a serious problem with the board or the memory.

    I did flash the BIOS and I did load optimized defaults after the flash. Speed was detected correctly and the fine (.5) cpu optimizer was disabled. Before I could adjust it.

    Thanks so much for the help.

  6. #6
    Join Date
    Feb 2009
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    12

    Default Re: GA-EP45-UD3P and Mushkin Memory problems

    I ran two sticks separately for an hour and I'm guessing they passed. No errors or anything. I hope I wasn't suppose to run a log because I did not see an option for it.

    I'm a bit worried about my temps. 68C during Prime 95. I might have to reseat the heatsink. Temp is fine now 28-45C depending on what I'm doing.

    Ok, so assuming my memory is good, why can't I get two sticks to run in dual channel?

  7. #7
    Join Date
    Jan 2009
    Posts
    84

    Default Re: GA-EP45-UD3P and Mushkin Memory problems

    It seems these UD3P/UD3R are having memory controller issues with certain ram. I have a UD3R and can't run in dual channel either. I have bought a rev 1.0 and rev 1.1 boards and both had the same issue.
    I tried 5 different sets of ram on both boards, and none of them will run in dual channel. i contacted Gigabyte tech support and they are not helping at all, as they are saying this is not a known issue.
    Gaming rig:
    XP Sp3
    Gigabyte EP45-UD3R bios F7a beta rev 1.0
    Q9550 GO OC'd 4ghz(471x8.5) with tuniq tower
    1 stick 2gigs G-Skill PI 8800s b/c this damn board won't run both sticks
    eVGA 8800Ultra Vanilla w/backplate--650core/1127mem/1654shader
    (1)500gig seagate 7200.10 main storage
    (2)320gig seagate 7200.10 sata extra storage
    lite on 20x dvd-burner sata
    corsair hx520 psu
    antec 900 case

  8. #8
    Join Date
    Sep 2008
    Posts
    990

    Default Re: GA-EP45-UD3P and Mushkin Memory problems

    @clo007
    If you tried 5 sets of RAM then it's not a RAM compatbility issue, either something is wrong with the board or some BIOS settings need adjusting.

    68C for the CPU is still Ok as long as it's stable btw. Nd you don't need to log anything, when you stop Prime 95 it will report whether there were any errors or it will stop by itself if there are any errors. The fact that it's stable with each stick by itself means that the RAM itself is OK and that the issue is the board or most likely some RAM timings in the BIOS. Download and run Memset from tweakers.fr and post a screenshot please.

    PS: Have you used "load optimized defaults" in BIOS and did the CPU speed appear correctly after that?

  9. #9
    Join Date
    Feb 2009
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    12

    Default Re: GA-EP45-UD3P and Mushkin Memory problems



    I hope I did that correctly.

    After a "Load Default Settings", it did have the correct CPU speed.

  10. #10
    Join Date
    Sep 2008
    Posts
    990

    Default Re: GA-EP45-UD3P and Mushkin Memory problems

    If load default settings fixed the CPU speed then other settings might have been off before. Have you tried it with 2 RAM sticks after loading them?

    There are several other people here in the forum and elsewhere who for a yet unknown reason also can't run dual channel. Could you try putting two RAM sticks in different color slots to see if it works in single channel mode?

    I have something else to try for you which I think may fix it but try the above first please.

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