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Thread: GA-EP45-UD3P and 8GB(4x2GB) RAM troubles




  1. #11
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    Dec 2008
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    Default Re: GA-EP45-UD3P and 8GB(4x2GB) RAM troubles

    Quote Originally Posted by steelsky View Post
    Hmm think this one might be stetching me beyond what i know... Purly out of curiosity (as ive seen it mentioned on ere before) when you were doing (the successfull) mem tests on each pair individually, were u using the same slots?.. ie removing one pair and placing the other pair in the same slots? If this is the case and (Im not sure how probable it is) but you could have a defective memory slot.. ie one of the ones that wasnt used during testing.

    I know some others might have tips to short cut this.. but id be tempted to take it all back to stock speeds and try and get the ram stable there first.

    have you tried upping the dram voltage to 2.0 with the current settings for Vcore and MCH core... just a thought.

    Other than that mate im a bit stuck... LSD will probably have a magic answer lol :)
    Thanks for the reply.

    I have tested the sticks in all the slots to rule out bad slots. I have also tested at stock speeds. I'm pretty sure I've tried higher DRAM voltage with the current Vcore and MCH core settings, but I'll try again.

    Right now, I'm leaning toward replacing the MB, but I'd rather not go through the hassle only to find out it's not a defective MB.

    Thanks again.

  2. #12
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    Default Re: GA-EP45-UD3P and 8GB(4x2GB) RAM troubles

    Quote Originally Posted by tim121 View Post
    Thanks for the reply.

    I have tested the sticks in all the slots to rule out bad slots. I have also tested at stock speeds. I'm pretty sure I've tried higher DRAM voltage with the current Vcore and MCH core settings, but I'll try again.

    Right now, I'm leaning toward replacing the MB, but I'd rather not go through the hassle only to find out it's not a defective MB.

    Thanks again.
    Raising the DRAM voltage while keeping the above Vcore and MCH core voltages didn't help.

  3. #13
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    Default Re: GA-EP45-UD3P and 8GB(4x2GB) RAM troubles

    I tried downgrading to BIOS F4; I still get errors in Memtest, but it seems that I get less errors.

  4. #14
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-EP45-UD3P and 8GB(4x2GB) RAM troubles

    Hmmm, So what settings are you using now? Is your NB too hot to touch for more then 10 seconds while memtest runs? IF so you may be overheating it and you need to add a fan to that area

  5. #15
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    Default Re: GA-EP45-UD3P and 8GB(4x2GB) RAM troubles

    My settings haven't changed much from above, but here they are:

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Auto]
    CPU Clock Ratio .......................: 9x
    CPU Frequency .........................: 3.00GHz
    
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ...............: 333 MHz
    PCI Express Frequency (Mhz) ............: 100 MHz
    C.I.A.2 ................................: [Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive.........................: 800mV
    PCI Express Clock Drive.................: 900mV
    CPU Clock Skew (ps).....................: 150ps
    MCH Clock Skew (ps).....................: 300ps 
    
    
    DRAM Performance Control
    Performance Enhance.....................: [Standard]
    Extreme Memory Profile (X.M.P.).........: [Disabled]
    (G)MCH Frequency Latch..................: 333MHz
    System Memory Multiplier ...............: 2.40B
    Memory Frequency (Mhz) .................: 800 800
    DRAM Timing Selectable .................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................: 5
    tRCD ...................................: 5
    tRP.....................................: 5
    tRAS....................................: 18
    
    Advanced Timing Control
    tRRD....................................: 5
    tWTR....................................: 10
    tWR.....................................: 14
    tRFC....................................: 120 (have tried 56 and 80)
    tRTP....................................: 7
    Command Rate (CMD) .....................: 2
    
    Driving Strength Profiles
    Driving Strength .......................: 800 (also tried 1066) (Channel A and B)
    
    Channel A
    Static tRead Value......................: 7 (also tried 12)
    tRD Phase0 Adjustment...................: [Auto]
    tRD Phase1 Adjustment...................: [Auto]
    tRD Phase2 Adjustment ..................: [Auto]
    tRD Phase3 Adjustment...................: [Auto]
    Trd2rd(Different Rank)..................: [Auto]
    Twr2wr(Different Rank)..................: [Auto]
    Twr2rd(Different Rank)..................: [Auto]
    Trd2wr(Same/Diff Rank)..................: [Auto] 
    Dimm1 Clock Skew Control................: [Auto]
    Dimm2 Clock Skew Control................: [Auto]
    DDR Write Training......................: [Disabled] (also tried [Auto]
    
    Channel B
    Static tRead Value......................: 7 (also tried 12)
    tRD Phase0 Adjustment...................: [Auto]
    tRD Phase1 Adjustment...................: [Auto]
    tRD Phase2 Adjustment ..................: [Auto]
    tRD Phase3 Adjustment...................: [Auto]
    Trd2rd(Different Rank)..................: [Auto]
    Twr2wr(Different Rank)..................: [Auto]
    Twr2rd(Different Rank)..................: [Auto]
    Trd2wr(Same/Diff Rank)..................: [Auto]
    Dimm1 Clock Skew Control................: [Auto]
    Dimm2 Clock Skew Control................: [Auto]
    DDR Write Training......................: [Disabled] (also tried [Auto]
    
    Motherboard Voltage Control
    
    CPU
    CPU Vcore...........1.325V..............: 1.350V
    CPU Termination.....1.200V..............: 1.320V
    CPU PLL.............1.500V..............: 1.50V
    CPU Reference.......0.760V..............: [Auto]
    
    
    MCH/ICH
    MCH Core..........1.100V................: 1.240V (also tried up to 1.40V)
    MCH Reference.....0.760V................: [Auto]
    MCH/DRAM Ref......0.900V................: [Auto]
    ICH I/O...........1.500V................: 1.59V
    ICH Core..........1.100V................: 1.20V
    
    DRAM
    DRAM Voltage........1.800V..............: 1.90V (also tried up to 2.10V)
    DRAM Termination....0.900V..............: [Auto]
    Channel A Reference 0.900V..............: [Auto]
    Channel B Reference 0.900V..............: [Auto]
    
    Advanced Settings
    Limit CPUID Max. to 3...................: [Disabled]
    No-Execute Memory Protect...............: [Enabled]
    CPU Enhanced Halt (C1E).................: [Disabled]
    CPU Thermal Monitor 2(TM2) .............: [Enabled]
    CPU EIST Function.......................: [Disabled]
    Virtualization Technology...............: [Enabled]
    
    Integrated Peripherals
    Legacy USB Storage Detect ..............: [Disabled]
    My NB is not hot to the touch, even after running Memtest for a while.

  6. #16
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-EP45-UD3P and 8GB(4x2GB) RAM troubles

    Try zero CPU Skew

    Whats this >>> ????
    tRFC....................................: 120 (have tried 56 and 80) 75-85 should be plenty

    Are you trying all of the above at once? I mean all those higher values you mentioned you did do them all at once correct?

    Single stick tests of this ram are ok?

  7. #17
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    Default Re: GA-EP45-UD3P and 8GB(4x2GB) RAM troubles

    Zero CPU skew doesn't help. I tried each module individually, and they all passed Memtest. I tried 120 for tRFC because I saw a suggestion in my Google searches to try it. I did try all the higher values all at once. Here are my current settings:

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Auto]
    CPU Clock Ratio .......................: 9x
    CPU Frequency .........................: 3.00GHz
    
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ...............: 333 MHz
    PCI Express Frequency (Mhz) ............: 100 MHz
    C.I.A.2 ................................: [Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive.........................: 800mV
    PCI Express Clock Drive.................: 900mV
    CPU Clock Skew (ps).....................: 0ps
    MCH Clock Skew (ps).....................: 300ps 
    
    
    DRAM Performance Control
    Performance Enhance.....................: [Standard]
    Extreme Memory Profile (X.M.P.).........: [Disabled]
    (G)MCH Frequency Latch..................: 333MHz
    System Memory Multiplier ...............: 2.40B
    Memory Frequency (Mhz) .................: 800 800
    DRAM Timing Selectable .................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................: 5
    tRCD ...................................: 5
    tRP.....................................: 5
    tRAS....................................: 18
    
    Advanced Timing Control
    tRRD....................................: 5
    tWTR....................................: 10
    tWR.....................................: 14
    tRFC....................................: 80
    tRTP....................................: 7
    Command Rate (CMD) .....................: 2
    
    Driving Strength Profiles
    Driving Strength .......................: 800 (also tried 1066) (Channel A and B)
    
    Channel A
    Static tRead Value......................: 7 (also tried 12)
    tRD Phase0 Adjustment...................: [Auto]
    tRD Phase1 Adjustment...................: [Auto]
    tRD Phase2 Adjustment ..................: [Auto]
    tRD Phase3 Adjustment...................: [Auto]
    Trd2rd(Different Rank)..................: [Auto]
    Twr2wr(Different Rank)..................: [Auto]
    Twr2rd(Different Rank)..................: [Auto]
    Trd2wr(Same/Diff Rank)..................: [Auto] 
    Dimm1 Clock Skew Control................: [Auto]
    Dimm2 Clock Skew Control................: [Auto]
    DDR Write Training......................: [Disabled] (also tried [Auto]
    
    Channel B
    Static tRead Value......................: 7 (also tried 12)
    tRD Phase0 Adjustment...................: [Auto]
    tRD Phase1 Adjustment...................: [Auto]
    tRD Phase2 Adjustment ..................: [Auto]
    tRD Phase3 Adjustment...................: [Auto]
    Trd2rd(Different Rank)..................: [Auto]
    Twr2wr(Different Rank)..................: [Auto]
    Twr2rd(Different Rank)..................: [Auto]
    Trd2wr(Same/Diff Rank)..................: [Auto]
    Dimm1 Clock Skew Control................: [Auto]
    Dimm2 Clock Skew Control................: [Auto]
    DDR Write Training......................: [Disabled] (also tried [Auto]
    
    Motherboard Voltage Control
    
    CPU
    CPU Vcore...........1.325V..............: 1.3375V
    CPU Termination.....1.200V..............: 1.320V
    CPU PLL.............1.500V..............: 1.50V
    CPU Reference.......0.760V..............: [Auto]
    
    
    MCH/ICH
    MCH Core..........1.100V................: 1.30V
    MCH Reference.....0.760V................: [Auto]
    MCH/DRAM Ref......0.900V................: [Auto]
    ICH I/O...........1.500V................: 1.59V
    ICH Core..........1.100V................: 1.20V
    
    DRAM
    DRAM Voltage........1.800V..............: 2.10V
    DRAM Termination....0.900V..............: [Auto]
    Channel A Reference 0.900V..............: [Auto]
    Channel B Reference 0.900V..............: [Auto]
    
    Advanced Settings
    Limit CPUID Max. to 3...................: [Disabled]
    No-Execute Memory Protect...............: [Enabled]
    CPU Enhanced Halt (C1E).................: [Disabled]
    CPU Thermal Monitor 2(TM2) .............: [Enabled]
    CPU EIST Function.......................: [Disabled]
    Virtualization Technology...............: [Enabled]
    
    Integrated Peripherals
    Legacy USB Storage Detect ..............: [Disabled]
    Thanks for you help.

  8. #18
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    West yorkshire, England
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    Default Re: GA-EP45-UD3P and 8GB(4x2GB) RAM troubles

    HI mate if you are having issues try turning your cpu clock speed back down to 266mhz X 9 yes it will only run at 2.4 ghz but its a stable starting block...These go steppers are great at overclocking but you need faster ram to get a stable one..if you are using 800mhz ram you will be lucky to get a stable overclock ovr 2.7ghz..your ram is slowing the clock on your cpu down mate!I have just tried bumping my cpu up to 400X 6=2.4 and it auto changed the ram settings to 1200 mhz..not a happy bunny my comp would`nt even boot..lol..I would try lowering the FSB on your cpu and see what happens mate you might be suprised how quick it is on those settings!..hope you get sorted mate..

  9. #19
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    Dec 2008
    Posts
    11

    Default Re: GA-EP45-UD3P and 8GB(4x2GB) RAM troubles

    Quote Originally Posted by Knightron View Post
    HI mate if you are having issues try turning your cpu clock speed back down to 266mhz X 9 yes it will only run at 2.4 ghz but its a stable starting block...These go steppers are great at overclocking but you need faster ram to get a stable one..if you are using 800mhz ram you will be lucky to get a stable overclock ovr 2.7ghz..your ram is slowing the clock on your cpu down mate!I have just tried bumping my cpu up to 400X 6=2.4 and it auto changed the ram settings to 1200 mhz..not a happy bunny my comp would`nt even boot..lol..I would try lowering the FSB on your cpu and see what happens mate you might be suprised how quick it is on those settings!..hope you get sorted mate..
    Thanks for the reply. I have tried running at stock speeds, but I still get errors with 8GB installed. Anything less than 8GB runs stable at 333 MHz x 9.

  10. #20
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    Dec 2008
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    Default Re: GA-EP45-UD3P and 8GB(4x2GB) RAM troubles

    Does anyone have any more suggestions? If not, I will probably do an RMA to exchange it.

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