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Thread: Problems with 64 bit using GA-EP45-UD3P




  1. #1
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    Default Problems with 64 bit using GA-EP45-UD3P

    32 bit Vista and Windows 7 run no problem...64-bit...as soon as the Windows screen pops up, a blue screen pops up and restarts...

    I have 8 GB of ddr2-667 mhz...the BIOS recognizes 8gb of ram but it still wont load...no idea what the problem could be.
    I tried changing the memory speed to 667 from 800 but still no dice...maybe I am missing something (timing is 6-6-6-18)

    specs are:
    Intel Q9300
    GA-ED45-UD3P
    8gb of no-name ram (Waiting for GSkill ram) at ddr2-pc6400 667mhz
    antec neopower 650w
    nvidia 9800gt

    Thank you,
    Greg

  2. #2
    Chike is offline Senior Member
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    Default Re: Problems with 64 bit using GA-EP45-UD3P

    Not clear is it PC-6400 (800MHz) or PC-5300 (667<Hz) ram?

    With more than 2x1GB of memory configuration there may be a need for more MCH Core.
    Begin with optimized defaults loaded, set Performance Enhance to standard, and graduately increase MCH Core, one step at a time, you may need up to 1.28v.
    Run memtest86+ for 6+ passes before booting windows, memory related problems may lead to file or file system corruption.

  3. #3
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    Default Re: Problems with 64 bit using GA-EP45-UD3P

    It says PC2-6400U-666...each stick is 2gb...not sure what that means...still try your suggestions? Thanks Chike

  4. #4
    Chike is offline Senior Member
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    Default Re: Problems with 64 bit using GA-EP45-UD3P

    Yes still try my suggestions.
    Could be that the 666 refer to timings not speed. In memtest86+ you will see for sure, both speed and timings.

  5. #5
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    Default Re: Problems with 64 bit using GA-EP45-UD3P

    i found the ram...

    Qimonda memory HYS64T256020EU-2.5-C2 2GB PC2-6400 UDIMM | HYS64T256020EU-2.5-C2 2GB 240-PIN DDR2-800 800MHz RAM upgrade

    came from an HP...could be compatibility? though the 32-bit OSes worked...any help appreciated. Thanks again...

  6. #6
    Chike is offline Senior Member
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    Default Re: Problems with 64 bit using GA-EP45-UD3P

    Could be compatibility issue, could be faulty memory module or slot.
    32bit Windows never use more than 4GB of memory so if there's a problem above GB it won't happen in 32bit Windows.
    If memtest86+ still show errors with whatever settings than you will need to run individual stick/slot tests.
    If errores are always at the same address range(s) it may indicate faulty memory module(s)

  7. #7

    Default Re: Problems with 64 bit using GA-EP45-UD3P

    sounds more like an OS hard drive ide v ahci issue.

  8. #8
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    Default Re: Problems with 64 bit using GA-EP45-UD3P

    I would run Memtest Memtest86+ - Advanced Memory Diagnostic Tool with Chikes advised settings. I would have though if it was a Hard Drive issue it would happen with the other OS's. Also perhaps it may be worth setting your HPET in the BIOS to 64Bit mode.
    Lian Li PC-7F Chassis Black
    Gigabyte GA-X48-DS5 MB (Rev. 1.1 BIOS v.F8c)
    Gigabyte ODIN GT 800Watt PSU
    Intel Core2Quad Q9550 E0 @ 3.4Ghz @ 1.25vcore
    Noctua NH-U12P + AS5
    G.Skill 2X2GB F2-8500CL5D-4GBPK
    2 X ATI Radeon HD4850 512MB (Crossfired)
    Dell Ultrasharp 2209WA IPS
    2 X 1TB Seagate 7200.11 in RAID 1
    Pioneer DVR216 SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------
    Gigabyte Poseidon Chassis
    Gigabyte GA-EP45-DS3 (Rev. 1.0 BIOS v.F9)
    ASUS Artic Square CPU Cooling with AS5
    Thermaltake TR2 RX 550Watt PSU
    Intel Core2Duo E8500 E0 @ 3.8Ghz @ 1.25vcore
    Corsair 2 X 2Gb XMS2 PC6400C5 DDR2
    NVIDIA GeForce 8800GT 512MB
    1 X Seagate 1TB 7200.12 + Seagate 750GB 7211.11
    Sony SATA DVD MultiDrive
    Windows 7 Ultimate X64 RC1 (Build 7232)
    ------------------------------------------------

  9. #9
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Problems with 64 bit using GA-EP45-UD3P

    I would suggest you either use only 4GB until you get your new ram, or test each stick one by one as suggested above

    And yes you should set HPET to x64 as well

    Either way, 4Gb or 8GB, you are going to need to set your own ram and MCH Voltages and I suggest you change Performance Enhance in the MIT Section to standard for now as well. The set your own tRD (Static tRead Value) for each channel to 8-9 for now

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