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Thread: Overclocking EP45-DS3R + Q6600 + 8GB




  1. #21
    Chucko is offline Member
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    Default Re: Overclocking EP45-DS3R + Q6600 + 8GB

    Quote Originally Posted by Lsdmeasap View Post
    tRFC...........................................Aut o - 52 << Set 82 for now, 5x is way to low for 8GB
    @LSD:

    Bigger is safer, yes, but I don't understand why you're recommending such a large value for tRFC. This is dependent on the RAM chip density and not the total size of the RAM IMHO.

    Most 2GB sticks (including my OCZ Reapers) are made from 16 1Gb devices. I believe the JEDEC spec for 1Gb RAM is 127.5us, which works out to 51 clocks @ 800MHz. IME this works fine for 8GB.

    So why so high for tRFC?

  2. #22
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    Default Re: Overclocking EP45-DS3R + Q6600 + 8GB

    FAIL...6 hours 5 minutes. Now I am sure a normal human being would find this acceptable, but that fact that is coincides so much with the last error with 8GB kinda makes me wonder what the hell setting is wrong. I lowered the Vcore to 1.5 and made the changes you suggested on the other settings. Should I just be happy with 6 hours stable?

    Also I am unsure of how to check my vCore under load. I am running 100% OS X with now and while I can get core temps that is where it about stops within the Mac OS as far as I know.

    Again...my settings:

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 3.2


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 356Mhz
    PCI Express Frequency (Mhz) .........:100
    C.I.A.2 .................................:[Disabled]

    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800
    PCI Express Clock Drive.................: <<< 900
    CPU Clock Skew (ps)....................: <<<
    MCH Clock Skew (ps)...................: <<<

    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 333
    System Memory Multiplier ..............: 2.40B
    Memory Frequency (Mhz) ..............: 854
    DRAM Timing Selectable ................: [Auto]

    Standard Timing Control
    CAS Latency Time........................: 5
    tRCD .........................................: 5
    tRP'............................................: 5
    tRAS..........................................: 18

    Advanced Timing Control
    tRRD...........................................: Auto
    tWTR..........................................: 4
    tWR............................................: 8
    tRFC...........................................: 82
    tRTP............................................: 4
    Command Rate (CMD) ....................: 2

    Driving Strength Profiles
    Driving Strength ............................: 1066

    Channel A
    Static tRead Value.........................:Auto
    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 ps
    Dimm2 Clock Skew Control...............:Auto ps
    DDR Write Training.....................:Auto

    Channel B
    Static tRead Value.........................:Auto
    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 ps
    Dimm2 Clock Skew Control...............:Auto ps
    DD Write Training......................: Auto

    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….………...1.3200*..............: 1.500
    CPU Termination….....1.200*.............: 1.300
    CPU PLL…………………...1.500*.............: 1.570
    CPU Reference.…………0.760*.............: Auto

    MCH/ICH
    MCH Core…………….....1.100*..............: 1.360
    MCH Reference….…….0.760*..............: Auto
    MCH/DRAM Ref.…......0.900*.............: Auto
    ICH I/O………………......1.300*.............: 1.500

    DRAM
    DRAM Voltage ……....1.800*............: 2.100
    DRAM Termination .…0.900*............: Auto
    Channel A Reference 0.900*............: Auto
    Channel B Reference 0.900*............: 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]
    Last edited by strick; 03-27-2009 at 03:50 AM.

  3. #23
    Chucko is offline Member
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    Default Re: Overclocking EP45-DS3R + Q6600 + 8GB

    What failed, mprime or Memtest?

  4. #24
    Join Date
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    Default Re: Overclocking EP45-DS3R + Q6600 + 8GB

    prime

    memtest has no problems at much tighter and OC'd settings

  5. #25
    Join Date
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    Default Re: Overclocking EP45-DS3R + Q6600 + 8GB

    Time for bed. Gonna Prime all night again...

    Lowered FSB to 333 x9 for 3.0GHz overclock instead of 3.2
    Lowered Vcore to 1.400V
    all 8GB @ 5-5-5-18-A-4-8-82-2T @ 2.100V

    I read a few posts where people with less than overclockable chips settled at 3.0GHz...guess I might be one of those people.

  6. #26
    Join Date
    Mar 2009
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    Default Re: Overclocking EP45-DS3R + Q6600 + 8GB

    Well...I am 6 hours and 10 minutes Prime blend stable right now at 3.0GHz...I am gonna try and get 12-15 hours in...if you errors I am gonna let it go for the weekend and see if I can hit 60 hours stable...then I have a great baseline if I wanna clock it higher.

    ::::UPDATE::::

    [Worker #1 Mar 27 09:24] FATAL ERROR: Rounding was 0.5, expected less than 0.4
    [Worker #1 Mar 27 09:24] Hardware failure detected, consult stress.txt file.
    [Worker #1 Mar 27 09:24] Torture Test ran 8 hours, 47 minutes - 1 errors, 0 warnings.
    Last edited by strick; 03-27-2009 at 11:12 PM.

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