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Thread: GA-EP45-UD3R Rev. 1.1 problems




  1. #1
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    Talking GA-EP45-UD3R Rev. 1.1 problems

    My computer is freezing during CPU intensive periods.
    I ran memtest86+ and I had problems, but I changed the MCH core voltage to 1.050V from 1.1V and it ran fine for one hour (didn't bother checking it more than that).
    I ran Prime95 and my computer froze after a couple of minutes. (all temperatures were below 50C according to speedfan)
    I would like to have stock settings for my computer, no overclocking for my components.
    These are my BIOS settings:
    Last edited by Lsdmeasap; 05-03-2010 at 01:41 PM.

  2. #2
    Chike is offline Senior Member
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    Default Re: GA-EP45-UD3R Rev. 1.1 problems

    Are you sure memory running at 1066? (Check CPU-Z memory tab)

    What is the BIOS version? (Check CPU-Z Motherboard tab). The latest is F12 and lists Enhanced memory compatibilities GA-EP45-UD3R (rev. 1.1) - GIGABYTE - Support&Download - Motherboard - BIOS
    If you choose to flash please use the build in Q-Flash not @BIOS.
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    Did you try increasing MCH Core to 1.2-1.24v?

    EDIT: Also set DRAM Voltage 1.9v or leave it auto.
    Last edited by Chike; 05-03-2010 at 11:07 AM.

  3. #3
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    Default Re: GA-EP45-UD3R Rev. 1.1 problems

    CPU-Z says the DRAM frequency is 533.3mhz, what should I do?
    BIOS version is F12, it's on the document I attached.

    What does WDIT mean?

    edit: used MCH core of 1.2V and DRAM voltage of 1.9V and my computer froze at start up.
    Last edited by Ivanlul; 05-03-2010 at 11:11 AM.

  4. #4
    Chike is offline Senior Member
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    Default Re: GA-EP45-UD3R Rev. 1.1 problems

    Quote Originally Posted by Ivanlul View Post
    CPU-Z says the DRAM frequency is 533.3mhz, what should I do?
    With the following settings the memory should have ran at 400MHz (DDR-800)
    Code:
    Extreme Memory Profile (X.M.P.).....: Disabled
    System Memory Multiplier ..............: [Auto]

    Quote Originally Posted by Ivanlul
    What does WDIT mean?
    WDIT is a typo for EDIT :-)

  5. #5
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    Default Re: GA-EP45-UD3R Rev. 1.1 problems

    well, what settings should I change?

  6. #6
    Chike is offline Senior Member
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    Default Re: GA-EP45-UD3R Rev. 1.1 problems

    First check that those are as you listed them.
    I sugegst to load optimized defaults, make any changes needed for RAID/boot drive priority, and others you made in other BIOS section, then in MIT change only the following:
    Performance Enhance ------------------- : [Standard]
    MCH Core ---------------- 1.100V ------- : [1.16] <<< increase graually up to 1.24v then 1.0-0.95v if more didn't help.

    EDIT: can you post a screen capture of CPU-Z SPD tab?

  7. #7
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    Default Re: GA-EP45-UD3R Rev. 1.1 problems

    http://img504.imageshack.us/img504/1174/cpuzn.png

    Those are the settings I have on XMP and system memory multiplier.
    edit: I tested all the higher settings until 1.24V and they all froze at start up, I tested it at .95V and I got a blue screen of death.
    Last edited by Ivanlul; 05-03-2010 at 12:22 PM.

  8. #8
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    Default Re: GA-EP45-UD3R Rev. 1.1 problems

    Quote Originally Posted by Ivanlul View Post
    CPU-Z says the DRAM frequency is 533.3mhz, what should I do?
    BIOS version is F12, it's on the document I attached.

    What does WDIT mean?

    edit: used MCH core of 1.2V and DRAM voltage of 1.9V and my computer froze at start up.
    It means your ram is running at 1066 mhz because you have correctly set manual timings at 5 5 5 15; also take note that memory is rated for 2.1 v, I would set it that unlike the gentleman who stated to put it at 1.9 or auto. Perhaps he knows something I don't. Please chime in if I am incorrect. Definitely follow Chike's suggestion on gradual increase of the MCH core. I think once you find the sweet spot you will be good to go and stable.
    Gigabyte EP45-UD3R P45 775 R (rev: 1.1),
    Intel Core2 Duo E8500 Wolfdale @ 3.80 GHz (EO),
    4 X 2GB DDR2-1066 G.SKILL PC8500CL5D
    SAPPHIRE Vapor-X Radeon HD 5770
    Intel X25-M SATA SSD 80 GB
    LG DVD+R 6X Blu-ray SATA Burner MD-GGW-H2OL
    CREATIVE SB X-Fi XTREME Audio 7.1 PCI-E
    Cooler Master Stacker 830 EVO
    Cooler Master Silent Pro M850
    XIGMATEK HDT-S1284EE 120mm Rifle CPU Cooler
    ZALMAN ZM-MFC3 Fan controller
    Windows 7 Ultimate Signature Edition 64-bit

  9. #9
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    Default Re: GA-EP45-UD3R Rev. 1.1 problems

    Try setting your MCH core to 1.2 and your Dram Voltage to 2.1 also set your drive strength profiles to 1066. See if that helps.

  10. #10
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-EP45-UD3R Rev. 1.1 problems

    You need to set 2.1V for your memory voltage, not 1.9

    Can you please post your settings here in text format in a reply, not attached txt file either I mean on the forum as a normal reply.

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