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Thread: GA-EP45-UD3R Q6600 Overclock (System Stops responding)




  1. #1
    Join Date
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    Milwaukee, WI
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    Default GA-EP45-UD3R Q6600 Overclock (System Stops responding)

    Hi All,

    First time over-clocker here. Been reading up and found some settings that seemed to work for me:

    RAM: 2 kits of OCZ: Newegg.com - OCZ Reaper HPC 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model OCZ2RPR10664GK - Desktop Memory


    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 8x
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 400


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 400Mhx
    PCI Express Frequency (Mhz) .........:100

    C.I.A.2 .................................:[Disabled]


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 700
    PCI Express Clock Drive.................: <<< 700
    CPU Clock Skew (ps)....................: <<< 0
    MCH Clock Skew (ps)...................: <<< 0


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 400
    System Memory Multiplier ..............: 2.66D
    Memory Frequency (Mhz) ..............: 1066
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................15

    Set all Suggested below to highest Values first. Then later you can lower, one at a time,

    testing as you go

    Advanced Timing Control
    tRRD..........................................AUTO
    tWTR..........................................AUTO
    tWR............................................AUT O
    tRFC...........................................54
    tRTP...........................................AUT O
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength 1066

    Channel A
    Static tRead Value.........................:10
    tRD Phase0 Adjustment...................:Auto <<< Leave for all below as well
    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 ps
    Dimm2 Clock Skew Control...............:Auto ps

    Channel B
    Static tRead Value.........................:10
    tRD Phase0 Adjustment...................:Auto <<< Leave for all below as well
    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 ps
    Dimm2 Clock Skew Control...............:Auto ps

    Motherboard Voltage Control

    CPU
    CPU Vcore….……….........................:1.31250V

    CPU Termination…..... 1.200V*.......: 1.240V<< If overclocking Please set to stock, Auto

    overvolts this way to much. Optimal range for overclock would be 1.2-1.5 depending on Vcore, try

    to keep at least .1 under vcore. Auto is fine if not overclocking

    CPU PLL…………………....1.500V*.......: 1.500V<< If overclocking Please set to stock, Auto overvolts

    this way to much. Optimal range for overclock would be 1.5-1.65. Auto is fine if not

    overclocking 1.500V

    CPU Referen.…………....,,0.760V.....:AUTO

    CPU Reference2………,,0.800V*.......:AUTOcorrectly

    MCH/ICH
    MCH Core…………….....1.100V...........: << AUTO
    MCH Reference….…….0.760V...........; <<< AUTO
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.500V............: <<< Leave
    ICH Core…………...……1.100V............: <<< Leave

    DRAM
    DRAM Voltage ……....1.800V............: 2.000V
    DRAM Termination .…0.900V............: <<< Leave
    Channel A Reference 0.900V............: <<< Leave
    Channel B Reference 0.900V............: <<< Leave

    I was able to run Prime 95 for about 8 hours stable when the comp stopped responding, I was recording the temps and the highest Cores (0+1) were at 59 and would max at 60. I am wondering if you have any advice.

    CPU-Z reports a lower voltage. Anyone have any help for me?

    Last edited by USAFdude02; 01-01-2010 at 01:00 AM. Reason: Added info

  2. #2
    Chike is offline Senior Member
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    Default Re: GA-EP45-UD3R Q6600 Overclock (System Stops responding)

    Load optimized defaults and reapply your settings.

    Please read this post, add system specs to your forun signature as descibed, and post the additional screen captures requested.

    DRAM Voltage is 0.1v below it's min spec voltage, MCH Core may need to be raised 1.2-1.32v, check target voltage in EasyTune when on auto.
    Vcore might be too low as well, VID is 1.3v according to CoreTemp.

    What CPU and case cooling you have.

  3. #3
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    Default Re: GA-EP45-UD3R Q6600 Overclock (System Stops responding)

    Added to sig. I will try some of this when I get home.

    Cases cooling I have 5x 120MM fans...

    1 front (in) for cold air
    2 side - 1 (in) above video card - 1 (out) below video card to take out warm air
    2 top - Out
    1 back - Out (right by the cpu cooler
    Rig
    Gigabyte - GA-EP45-UD3R
    Intel Q6600 - G0 @ 3.2Ghz 8x400 @ 1.3625V
    ZALMAN CNPS9500 w/ Arctic Silver 5
    4x2GB OCZ Reaper DDR2 @ 1066 5-5-5-15 2.1V
    CORSAIR CMPSU-1000HX 1000W
    EVGA GeForce GTX 285 SSC Edition 1GB (Stock)

  4. #4
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    Default Re: GA-EP45-UD3R Q6600 Overclock (System Stops responding)

    Trying now. I raised the RAM to 2.1. Raised VCORE to 1.3625. Changed MCH to 1.26

    CPUZ is still showing Core Voltage at 1.280...what is the reason for that?
    Rig
    Gigabyte - GA-EP45-UD3R
    Intel Q6600 - G0 @ 3.2Ghz 8x400 @ 1.3625V
    ZALMAN CNPS9500 w/ Arctic Silver 5
    4x2GB OCZ Reaper DDR2 @ 1066 5-5-5-15 2.1V
    CORSAIR CMPSU-1000HX 1000W
    EVGA GeForce GTX 285 SSC Edition 1GB (Stock)

  5. #5
    Chike is offline Senior Member
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    Default Re: GA-EP45-UD3R Q6600 Overclock (System Stops responding)

    There will always be a difference between setting and actual applied Vcore.
    vdrop the difference between settings and idle voltage, and vdroop the difference between idle and load voltage. Up to 0.1v difference is normal.
    Is 1.28v for idle or load? For the same voltage settings I get 1.31v idle and 1.28v load.

  6. #6
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    Default Re: GA-EP45-UD3R Q6600 Overclock (System Stops responding)

    Right now it is at 1.280V at full load. I have Prime running now...max temp so far is 61 and holding...it did pop up to high of 63 for a few seconds according to Core Temp.

    I think I have the cpu cooler installed wrong...I have the rear case fan and the CPU heatsink fan right next to each other...if I read right the fan on the heatsink is supposed to blow onto the fins...so I think the fans are battling for air...

    I am going to test this setup for 12 hours and see...I have to see if I still have some AS5 and place the heatsink properly.
    Rig
    Gigabyte - GA-EP45-UD3R
    Intel Q6600 - G0 @ 3.2Ghz 8x400 @ 1.3625V
    ZALMAN CNPS9500 w/ Arctic Silver 5
    4x2GB OCZ Reaper DDR2 @ 1066 5-5-5-15 2.1V
    CORSAIR CMPSU-1000HX 1000W
    EVGA GeForce GTX 285 SSC Edition 1GB (Stock)

  7. #7
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    Default Re: GA-EP45-UD3R Q6600 Overclock (System Stops responding)

    Here is the new screenshot. At 12 hours stable. Temps have hit 67 degrees for a few minutes.

    Like I said before I am going to turn the heatsink around...so I won't have to fight the other fan.

    Any other advice? I am using AS5 for the thermal paste. Sorry pic looks weird as it is a screenshot of remote desktop.

    Last edited by USAFdude02; 01-02-2010 at 01:31 AM. Reason: More info
    Rig
    Gigabyte - GA-EP45-UD3R
    Intel Q6600 - G0 @ 3.2Ghz 8x400 @ 1.3625V
    ZALMAN CNPS9500 w/ Arctic Silver 5
    4x2GB OCZ Reaper DDR2 @ 1066 5-5-5-15 2.1V
    CORSAIR CMPSU-1000HX 1000W
    EVGA GeForce GTX 285 SSC Edition 1GB (Stock)

  8. #8
    Chike is offline Senior Member
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    Israel
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    Default Re: GA-EP45-UD3R Q6600 Overclock (System Stops responding)

    This cooler is a bit old might not be up to the task of cooling OCed quad.

  9. #9
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    Default Re: GA-EP45-UD3R Q6600 Overclock (System Stops responding)

    Well I am going to re-mount the heatsink tonight and turn it around and re-apply AS5. I will stress it again (I know my temps will be higher until after burn-in) then I will test to see what kind of results I have.

    If that doesn't work I will a new cooler....don't have too much room in there though...that cooler is pretty good sized.
    Rig
    Gigabyte - GA-EP45-UD3R
    Intel Q6600 - G0 @ 3.2Ghz 8x400 @ 1.3625V
    ZALMAN CNPS9500 w/ Arctic Silver 5
    4x2GB OCZ Reaper DDR2 @ 1066 5-5-5-15 2.1V
    CORSAIR CMPSU-1000HX 1000W
    EVGA GeForce GTX 285 SSC Edition 1GB (Stock)

  10. #10
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    Milwaukee, WI
    Posts
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    Default Re: GA-EP45-UD3R Q6600 Overclock (System Stops responding)

    So I remounted the cpu cooler. I tried the line method for AS5 (how arctic silver recommends for a Quad). So now it is not facing the exhaust fan. From what I can tell so far...at BIOS I am about 4 degrees cooler (just sitting in bios).

    I have booted up prime 95 and I am going to test for a bit to see if I get higher temps than before.

    I appreciate the help so far...it is greatly appreciated.
    Rig
    Gigabyte - GA-EP45-UD3R
    Intel Q6600 - G0 @ 3.2Ghz 8x400 @ 1.3625V
    ZALMAN CNPS9500 w/ Arctic Silver 5
    4x2GB OCZ Reaper DDR2 @ 1066 5-5-5-15 2.1V
    CORSAIR CMPSU-1000HX 1000W
    EVGA GeForce GTX 285 SSC Edition 1GB (Stock)

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