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Thread: EX38-DQ6 8GB G Skil PQ Ram




  1. #11

    Default Re: EX38-DQ6 8GB G Skil PQ Ram

    Hey Mate, cheers for the reply!

    I kind of understand the FSB Strap now, makes sense, however i never knew it actually affects the timings of the NB itself! A higher FSB makes sense to have looser timings of course!

    The Voltage is 1.32 vdroop and 1.39 normal in CPUZ when i have it set 1.4 (that was with Loadline Calibration enabled). I havent checked since because memtest is running. I think i have a Bad Core 2 Duo E8400 because even when i just had 2 RAM Dims, i couldnt get a reliable clock @ 4ghz comapred to other users. This is why i asked about the VTT. I notice that my board has hidden CPU Settings when you press Ctrl+F1. Can these be used to lower the voltage of the CPU?

    When tightening the timings tonight when i get home, should i perform just Test 2 and 5 of Memtest? You mentioned in the sticky you always perform Test 2 for 20 mins and test 5 for an hour. Shall i also do this when trying lower settings or is there a quicker method?
    Last edited by Dodgexander; 10-28-2008 at 04:38 PM.

  2. #12
    Lsdmeasap's Avatar
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    Default Re: EX38-DQ6 8GB G Skil PQ Ram

    1.72? Hope that is a typo. And for 45nm CPU you should leave LLC disabled and find your own stable voltage manually even if you have to set it higher in the BIOS to get what you need. It is designed to work that way, enabling the control Disabled Intel's design and can shorten the life of your CPU

    No, those are not for lowering voltages

    Ya, I do tests of 2, 5, & 7 when I am tweaking timings. Time for each is up to you and how many changes you make and how stable you think things are. It is all a learning experience so you just have to try what you think works until you get them down a bit then run some fulls tests and see

    There is no quick method to tweaking your ram timings really. You can set them low and test but then if you fail you may not know which you need to raise

  3. #13

    Default Re: EX38-DQ6 8GB G Skil PQ Ram

    Lol, 1.7v! I changed my original post now, but this is from the top of my head!

    Hopefully it was my ram causing the problems when i had a 4ghz clock and not the fact i couldnt post below 1.4v!

    I now have it set to 1.38 bios, 1.36 cpuz idle and 1.34 load and benching now in windows. Off to work again (i didnt get any time last night to experiment due to a late shift). Cya later!

  4. #14
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    Default Re: EX38-DQ6 8GB G Skil PQ Ram

    HAHA Ya, I thought it was a typo... Good to hear it was!

    Well good luck with your testing, I have to go here shortly as well

  5. #15

    Default Re: EX38-DQ6 8GB G Skil PQ Ram

    Im just playing around with my memory timings now, so far, the best i can post at is 5,4,3,12.

    I was wondering,is getting the CAS lower a priority? For instance, is 4,5,4,13 better than what i have at the moment?

  6. #16
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    Default Re: EX38-DQ6 8GB G Skil PQ Ram

    Yes, Lowest cas is better then the others being lower. But if you are trying to post at CAs 4 and it fails you may need to raise other settings higher and that may or may not be worth the trade off. What Static tread are you using when testing these things?

    It really all depends on all the other settings, ram speed, and voltages used if you can boot CAS 4 or not

    But yes 4-x-x-x is better then 5-x-x-x. But depending on the ram speed the higher advanced timings needed to boot CAS 4 may not be worth it. I am using 5-4-4-12 right now myself, over 4-5-5-12 with higher subtimings due to my ram speed as it tested out better that way

  7. #17

    Default Re: EX38-DQ6 8GB G Skil PQ Ram

    Hey. This is what im testing at the moment, seems to be stable so far, but il see when i get home tonight. (Basically its all the minimum settings you reccomended, some a bit lower).

    I cant boot with CAS4 and decided not to try to do so, even 4,7,7,24 will not boot,so thats out of the question.

    When booting with 5,4,3,12 i fail test 5 and when booting 5,4,4,13 i also fail test 5.

    It seems im stuck with 5,5,5,15, but i may try 5,4,5,14 and 5,5,4,14 tonight.

    Robust Graphics Booster___________ [Auto] Fast
    CPU Clock Ratio ____________ [8]
    Fine Clock Ratio ____________[0.0]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [500]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00B] << try 2.00D it may be much more stable
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 5
    Dram RAS# to CAS# Delay_________ 5
    Dram RAS# Precharge Delay_______5
    Precharge Delay (tRAS)__________ 15

    ACT to ACT Delay (tRRD)_________ 6 (3) << 3-5 3
    Rank Write to READ Delay________ 6 (3) << 3-6 3
    Write to Precharge Delay_________ 12 (6) << 6-10 6
    Refresh to ACT Delay______________ 82 (52) << 65-75 60
    Read to Precharge Delay__________ 6 (3) << 4-8 3
    Static tRead Value_______________ 12 (7) << 8-12 10 (Cant post at 9)
    Static tRead Phase Adjust________ [Auto] (17) << Always Auto

    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [150ps] << 0-50
    GMCH Clock Skew Control [250ps] << 100-200

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.30V] (Reccomended 2.1v from Gskill specs)
    PCI-E OverVoltage Control_ [+0.05V]
    FSB OverVoltage Control___ [+0.10V] << maybe .2 for 500 FSB
    (G)MCH OverVoltage Control [+0.500V] << Way less, you should be good with +.25-.35 I would think

    Loadline Calibration [On] << Disabled
    CPU Voltage Control_______ [1.4000] << Less FOR SURE

    Im going to see if i can do a bit more tweaking tonight to get 5,4,5 or 5,5,4 hopefully, any other settings worth lowering?

    Will i get better performance running a 8.5 multi and running the ram slightly slower at lower latencies do you think? Or should i stick where i am at the moment with 500FSB.

    In regards to the static Tread, i tested this individually, i cant post at 9, even with 5,5,5,18. When i run Memtest with the Tread @ 10 and 5,5,5,15 settings, no errors after 10 hours. So right now ive lowered just the other settings. Should i raise the Tread in favour of getting CAS4 or, 5,4,4, 13 for instance?

  8. #18

    Default Re: EX38-DQ6 8GB G Skil PQ Ram

    Well, this is pretty much as far as i can go, memory wise :)

    CAS Latency Time________________ 5
    Dram RAS# to CAS# Delay_________ 5
    Dram RAS# Precharge Delay_______5
    Precharge Delay (tRAS)__________ 15

    ACT to ACT Delay (tRRD)_________ 2
    Rank Write to READ Delay________ 2
    Write to Precharge Delay_________ 5
    Refresh to ACT Delay______________ 45
    Read to Precharge Delay__________ 2
    Static tRead Value_______________ 10
    Static tRead Phase Adjust________ [Auto]

    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [150ps] << 50
    GMCH Clock Skew Control [250ps] << 200

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.30V]
    PCI-E OverVoltage Control_ [+0.05V]
    FSB OverVoltage Control___ [+0.10V]
    (G)MCH OverVoltage Control [+0.050V]

    Loadline Calibration [Disable]
    CPU Voltage Control_______ [1.4000]

    CpuZ 1.34 Load, 1.36 Idle

    Cany get lower than 5,5,5,15, but have been able to reduce other settings :) Im happy so long as its stable!

  9. #19
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    Default Re: EX38-DQ6 8GB G Skil PQ Ram

    Static tRead Value_______________ 12 (7) << 8-12 10 (Cant post at 9)
    Use the 2.40D Memory Multiplier and you will have much better luck. What MCH voltage are you using? You did not say, if you are still using +.5 that is way to much and can by itself cause errors

    So my suggestion to you if you are not done playing would be lower the MCH to .3 at least, Use the D strap on the memory multi and raise back up those timings some and try again for a lower Static Tread and possibly 544-12/15

    That MCH Voltage is likely going to kill your NB and the B strap is why you have to use such a high Static Tread at that speed

  10. #20

    Smile Re: EX38-DQ6 8GB G Skil PQ Ram

    Thanks :) I am actually running the D Strap as suggested, i forgot to to change that in my last response..even witht he d-strap, i cannot post with a lower tread than 10. I can post 5,3,3,11 but Memtest fails immediatley, even with 5,5,4,14 it fails!

    Here are the correct settings for at the moment:

    Robust Graphics Booster___________ [Auto] Fast
    CPU Clock Ratio ____________ [8]
    Fine Clock Ratio ____________[0.0]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [500]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00D]
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]
    CAS Latency Time________________ 5
    Dram RAS# to CAS# Delay_________ 5
    Dram RAS# Precharge Delay_______5
    Precharge Delay (tRAS)__________ 15

    ACT to ACT Delay (tRRD)_________ 2
    Rank Write to READ Delay________ 2
    Write to Precharge Delay_________ 5
    Refresh to ACT Delay______________ 45
    Read to Precharge Delay__________ 2
    Static tRead Value_______________ 10
    Static tRead Phase Adjust________ [Auto]

    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [150ps] << 50
    GMCH Clock Skew Control [250ps] << 200

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.30V]
    PCI-E OverVoltage Control_ [+0.05V]
    FSB OverVoltage Control___ [+0.10V]
    (G)MCH OverVoltage Control [+0.050V]

    Loadline Calibration [Disable]
    CPU Voltage Control_______ [1.4000]

    I cannot lower the MCH Voltage in .05 increments, i either go for 0.050v or 0.025v..What do you think?

    If i use the 2.40D multiplier, that puts my RAM at 1200MHZ, i doubt its capable of that! or are you suggesting i try an 8.5 or 9 Multi?

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