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Thread: Need Help Overclocking E8400 + GA-EP45-DS3R




  1. #1
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    Default Need Help Overclocking E8400 + GA-EP45-DS3R

    Hello,

    After sitting at 3.6Ghz I've decided to take another shot at overclocking to 4.0Ghz. Looking for some advice, please see my sig for specs, my bios is F10

    Currently I am running at 3.707Ghz and here are my current settings following some recommendations of Lsdmeasap from another post which said to set things higher then tighten them up (lower) them later. I have a feeling it could be my ram holding me back (5-5-5-18, 2.1v) :

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Fast
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 3.7


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 412Mhz
    PCI Express Frequency (Mhz) .........:Set to 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...............: [400]
    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 824
    DRAM Timing Selectable ................: [Manual]

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

    Advanced Timing Control
    tRRD...........................................5
    tWTR..........................................12
    tWR............................................14
    tRFC...........................................62
    tRTP...........................................6
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................ 800

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

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

    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................:1.3625
    CPU Termination…..... 1.200V*.......: <<< 1.34
    CPU PLL…………………....1.500V*.......: <<< 1.59
    CPU Referen.…………....0.755V*.......: <<< 0.818

    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.3
    MCH Reference….…….0.800V...........; <<< Auto
    MCH/DRAM Ref.…......0.900V...........: <<< Auto
    ICH I/O……………….....1.550V............: <<< Auto
    ICH Core…………...……1.100V............: <<< Auto

    DRAM
    DRAM Voltage ……....1.800V............: 2.1
    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]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]

    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled]
    Last edited by kawai; 10-29-2008 at 10:45 AM.
    Intel Q9550
    Gigabyte GA-EP45-DS3R(F10)
    Xigmatek HDT-S1283
    2x2GB DDR2 800 PC6400 OCZ Gold
    625W MODU+82 Enermax PSU
    Radeon HD 4870x2
    Western Digital SE16 640GB
    Antec P182 SE

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Need Help Overclocking E8400 + GA-EP45-DS3R

    Those are VERY loose ram timings, so they should not be holding you back at all unless that ram is just not too good or is Going bad.... Which I doubt

    Try this for 4Ghz. What you do need to do so you know, is Set a voltage in the BIOS for Vcore and then go in windows and see what CPU-z shows for Vcore at idle and Load. So you can keep that in mind when setting voltages in the BIOS.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Fast
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 4ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 450Mhz
    PCI Express Frequency (Mhz) .........:Set to 100

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


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800
    PCI Express Clock Drive.................: <<< 900
    CPU Clock Skew (ps)....................: <<< 0-50
    MCH Clock Skew (ps)...................: <<< 50-150


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [400]
    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 900
    DRAM Timing Selectable ................: [Manual]

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

    Advanced Timing Control
    tRRD...........................................3-4
    tWTR..........................................3-6
    tWR............................................4-6
    tRFC...........................................52-62
    tRTP...........................................2-6
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................ 800 << Set to 1066

    Channel A
    Static tRead Value.........................:8-10
    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

    Channel B
    Static tRead Value.........................:8-10
    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

    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................:1.38x
    CPU Termination…..... 1.200V*.......: <<< 1.34
    CPU PLL…………………....1.500V*.......: <<< 1.59
    CPU Referen.…………....0.755V*.......: <<< 0.818

    MCH/ICH
    MCH Core…………….....1.100V...........: << 1-.2-1.3
    MCH Reference….…….0.800V...........; <<< Auto
    MCH/DRAM Ref.…......0.900V...........: <<< Auto
    ICH I/O……………….....1.550V............: <<< Auto
    ICH Core…………...……1.100V............: <<< Auto

    DRAM
    DRAM Voltage ……....1.800V............: 2.1

  3. #3
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    Default Re: Need Help Overclocking E8400 + GA-EP45-DS3R

    Thanks for the suggestions, here are my findings by experimentation. I first started with the settings you suggested as follows:


    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Fast
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 4ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 450Mhz
    PCI Express Frequency (Mhz) .........:Set to 100

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


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800
    PCI Express Clock Drive.................: <<< 900
    CPU Clock Skew (ps)....................: <<< 0-50
    MCH Clock Skew (ps)...................: <<< 50-150


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [400]
    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 900
    DRAM Timing Selectable ................: [Manual]

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

    Advanced Timing Control
    tRRD...........................................4
    tWTR..........................................6
    tWR............................................6
    tRFC...........................................62
    tRTP...........................................6
    Command Rate (CMD) ....................:2

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

    Channel A
    Static tRead Value.........................:10
    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

    Channel B
    Static tRead Value.........................:10
    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

    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................:1.381
    CPU Termination…..... 1.200V*.......: 1.34
    CPU PLL…………………....1.500V*.......: 1.59
    CPU Referen.…………....0.755V*.......: 0.818

    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.3
    MCH Reference….…….0.800V...........; <<< Auto
    MCH/DRAM Ref.…......0.900V...........: <<< Auto
    ICH I/O……………….....1.550V............: <<< Auto
    ICH Core…………...……1.100V............: <<< Auto

    DRAM
    DRAM Voltage ……....1.800V............: 2.1

    Results: numbers mentioned is usually cpu host freq

    450 - Did not Boot, BSOD before windows load bar
    449 - same as above
    448 - same as above
    447 - same
    445 - same
    445 @ 1.387 - see loading windows bar -> BSOD
    445 @ 1.39 - same as above
    445 @ 1.4 - same as above
    440 @ 1.38 - loading windows bar - > see user accounts -> BSOD
    435 @1.38 - loading windows bar-> BSOD
    442 @ 1.381 - loading windows bar -> BSOD
    443 @ 1.381 - BSOD before windows loading bar

    All the following results are @ 1.381 vcore
    402 - load bar - > login screen -> windows desktop
    410 - load bar - > login screen -> windows desktop
    420 - load bar - > login screen -> windows desktop
    430 - - load bar - > login screen -> windows desktop - > fails orthos testing , 6 sec
    440 - load bar -> see user login screen -> BSOD

    Currently i am running at 420 testing orthos...8 minutes and counting..

    Either my ram wont budge or my mobo or my cpu.. no idea

    Temperatures + Vcore readings

    Idle load temps @ 420 + 1.381vcore - Core temp reads 44/44
    Idle CPU-Z vcore reads 1.328V

    Temps + vcore with ORTHOS
    Core temp reads 52/53
    Cpuz Vcore - 1.312v/1.328v

    aand orthos just failed @ 420 + 1.381vcore :*( 11 minutes running orthos

    Seem to be stable @ 415 + 1.381vcore for now...
    Last edited by kawai; 10-30-2008 at 01:21 PM.
    Intel Q9550
    Gigabyte GA-EP45-DS3R(F10)
    Xigmatek HDT-S1283
    2x2GB DDR2 800 PC6400 OCZ Gold
    625W MODU+82 Enermax PSU
    Radeon HD 4870x2
    Western Digital SE16 640GB
    Antec P182 SE

  4. #4
    Lsdmeasap's Avatar
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    Default Re: Need Help Overclocking E8400 + GA-EP45-DS3R

    Try the higher 400-450 FSB with MORE vcore. 1.38 may only be about 1.32 in windows

    Put your reference voltage back to Auto and see if that helps as well, and maybe less Vtt, and for sure stock PLL manually set, as I dont think it is the ram.

    The settings you posted should boot (you did not say if you tried MCH Skew or not?) Unless you need to try first >>>
    tWTR..........................................12
    tWR............................................14

  5. #5
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    Default Re: Need Help Overclocking E8400 + GA-EP45-DS3R

    Here are my sad sad results so far i've already hit 1.5v vcore and am probably at dangerous levels already :(

    First of all i changed twtr - 12 and twr -14 as you suggested



    Starting to wonder whether pumping 1.5vcore is worth it for 4.0. 3.6 i can leave everything at auto :S
    Intel Q9550
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    2x2GB DDR2 800 PC6400 OCZ Gold
    625W MODU+82 Enermax PSU
    Radeon HD 4870x2
    Western Digital SE16 640GB
    Antec P182 SE

  6. #6
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    Default Re: Need Help Overclocking E8400 + GA-EP45-DS3R

    1.5v bios failed orthos after 35 minutes
    Intel Q9550
    Gigabyte GA-EP45-DS3R(F10)
    Xigmatek HDT-S1283
    2x2GB DDR2 800 PC6400 OCZ Gold
    625W MODU+82 Enermax PSU
    Radeon HD 4870x2
    Western Digital SE16 640GB
    Antec P182 SE

  7. #7
    Lsdmeasap's Avatar
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    Default Re: Need Help Overclocking E8400 + GA-EP45-DS3R

    Put reference voltages back to Auto and use 1.34 Vtt and see how that does. PLL on STOCK 1.50. That is likely causing your errors, and possibly incorrect reference voltages, Auto will set them properly.

    Once you do that please start with 1.38 or so in the BIOS or whatever is 1.325 actual for you, high voltages will also cause failures

    Is your ram memtest86+ stable at the settings you are using?

  8. #8
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    Default Re: Need Help Overclocking E8400 + GA-EP45-DS3R

    Ram memtest at 444 x 9 = 3997 and it completed a full pass.

    CPU Clock Skew (ps)....................: <<<50
    MCH Clock Skew (ps)...................: <<< 150

    vtt set back to 1.340v
    pll set to 1.50

    mch core set to auto
    orthos still failing within seconds no matter how far i push vcore.
    Last edited by kawai; 11-01-2008 at 02:12 PM.
    Intel Q9550
    Gigabyte GA-EP45-DS3R(F10)
    Xigmatek HDT-S1283
    2x2GB DDR2 800 PC6400 OCZ Gold
    625W MODU+82 Enermax PSU
    Radeon HD 4870x2
    Western Digital SE16 640GB
    Antec P182 SE

  9. #9
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    Default Re: Need Help Overclocking E8400 + GA-EP45-DS3R

    1.45 fails to run more than a minute of orthos.
    Should i change mch core from Auto?
    Intel Q9550
    Gigabyte GA-EP45-DS3R(F10)
    Xigmatek HDT-S1283
    2x2GB DDR2 800 PC6400 OCZ Gold
    625W MODU+82 Enermax PSU
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    Western Digital SE16 640GB
    Antec P182 SE

  10. #10
    Lsdmeasap's Avatar
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    Default Re: Need Help Overclocking E8400 + GA-EP45-DS3R

    A full pass is not a very good test. 10 passes minimal is suggested

    Yes test less then stock MCH Voltage and then 1.2-1.3, also try no cpu skew and auto ref voltages

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