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Thread: Please help me overclock my E8600 with EP45-UD3P Mobo




  1. #1
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    Exclamation Please help me overclock my E8600 with EP45-UD3P Mobo

    Hello, I just finished builing my system last week. However I am a newbie for overclocking.

    My specs are shown below.

    CPU: Intel E8600 @ 4Ghz
    Mobo: GA-EP45-UD3P
    GPU: XFX GTX 260 Black Edition Core 216
    RAM: G.SKILL 8GB (4 x 2GB) DDR2 1066 (PC2 8500)
    PSU: CORSAIR CMPSU-750TX 750W
    Case: Antec Nine Hundred Case
    Monitor: Panasonic 46-inch TH-46PZ85U VIERA Plasma
    HD: WD HDD 500GB 32mb Cache Black.
    OS: Vista 64bit Ultimate
    CPU Cooler: ARCTIC COOLING Freezer 7 Pro 92mm CPU Cooler
    Optical Drive: SAMSUNG 22X DVD±R DVD Burner with LightScribe

    I overclocked at bios, using all stock volts. changed most setting to manual, except some of the features to auto.
    I could have achieved 4ghz with 400 X 10 mutiplier. ram at 1066 with 2.66D.

    I want to overclock it to over 4.2, and 4.5 if possible.
    All manual setting suggetion will be very appreaciated.
    1 Weird symptom that I have with this overclocking is when I run CPU-Z or ET6, it's multiplier is changing back and forth to X10 to X6, constantly switching with Clock speed to 4000mhz to 2400 mhz also.

    Please suggest/share your stable overclock bios setting, and solution for the problem that my multiplier and FSB/Clock speed switching back and forth.

    Thank youi very much for your help in the process!
    Last edited by joynrg; 12-16-2008 at 03:02 AM.

  2. #2
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    Default Re: Please help me overclock my E8600 with EP45-UD3P Mobo

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster .................: [Turbo]
    CPU Clock Ratio .........................: 10
    Fine CPU Clock Ratio.....................: [+0.0]
    CPU Frequency ...........................: 4000 MHz
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 400Mhz
    PCI Express Frequency (Mhz) .........: [100]
    C.I.A. 2.............................: [Disabled]
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800mv
    PCI Express Clock Drive...................: 900mv
    CPU Clock Skew (ps).......................: 50mv
    MCH Clock Skew (ps).......................: 100mv
    DRAM Performance Control
    Performance Enhance....................: [Standard]
    Extreme Memory Profile (X.M.P.)........: [Disabled]
    (G)MCH Frequency Latch.................: [Auto]
    System Memory Multiplier ..............: 2.66D
    Memory Frequency (Mhz) ................: 1066Mhz
    DRAM Timing Selectable ................: [Manual]
    Standard Timing Control
    CAS Latency Time...............................: [5]
    tRCD ..........................................: [5]
    tRP'...........................................: [5]
    tRAS...........................................: [15]
    Advanced Timing Control [Press Enter] <---Autoed everything
    Motherboard Voltage Control
    Load-Line Calibration....................: [Enabled]
    CPU Vcore….……….........1.22500V*.........: 1.2000
    CPU Termination…...... 1.200V*...........: 1.200
    CPU PLL………………….........1.500V*...........: 1.50
    CPU Reference..........0.760V............: 0.76
    MCH/ICH
    MCH Core……………..........1.100V............: 1.100
    MCH Reference..…...….….0.760V............: 0.76
    MCH/DRAM Reference.....0.900V............: [Auto]
    ICH I/O…………....……......1.500V............: [Auto]
    ICH Core...............1.100V............: [Auto]
    DRAM
    DRAM Voltage ……........1.800V............: [Auto]
    DRAM Termination ...…..0.900V............: [Normal]
    Channel A Address Vref 0.900V............: [Normal]
    Channel B Address Vref 0.900V............: [Normal]

    This is my Bios setting runnign 4Ghz very stable for 3days.
    Any suggetion on manual setting to clock around 4.2 to 4.5 will be appreciated.

    Thank you!

  3. #3
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    Default Re: Please help me overclock my E8600 with EP45-UD3P Mobo

    Bump** Anyone?

  4. #4
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    Default Re: Please help me overclock my E8600 with EP45-UD3P Mobo

    The change in CPU multiplier in CPU-Z is a result of Intel's Speedstep which reduces the CPUs speed when not in use. It can be turned off by disabling CPU Enhanced Halt (C1E) under the advanced settings.
    System Specs
    CPU: Intel i7 870
    CPU Fan: Zalman 10Flex
    Motherboard: Asus P7P55-Pro
    RAM: Corsair Dominator 1600 - 2X2 gb
    GPU: XFX 4890 1gb
    PSU: Silverstone 700W
    System Drive: Intel X25-M 80gb
    Storage Drive: Hitachi 1tb
    Case: NZXT Khaos

  5. #5
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    Default Re: Please help me overclock my E8600 with EP45-UD3P Mobo

    Quote Originally Posted by x.clay View Post
    The change in CPU multiplier in CPU-Z is a result of Intel's Speedstep which reduces the CPUs speed when not in use. It can be turned off by disabling CPU Enhanced Halt (C1E) under the advanced settings.
    Thank you very much for your help! It worked like a charm!

  6. #6
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    Default Re: Please help me overclock my E8600 with EP45-UD3P Mobo

    Bump! Does anyone successfully overclocked E8600 with all manual bios setup to 4.5ghz or more? Please share your setting with me if possible, my setting is shown at the 2nd post.

  7. #7
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Please help me overclock my E8600 with EP45-UD3P Mobo

    It isn't very likely at all that you can do 4.5Ghz with that cooler, and for sure is not going to work with Auto everything w/ 8GB of ram

    Please do post a link to your ram

    Here is what I would advise for 4Ghz + >>>

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster .................: [Auto or Fast]
    CPU Clock Ratio .........................: 10
    Fine CPU Clock Ratio.....................: [+0.0]
    CPU Frequency ...........................: 4000 MHz

    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 400Mhz
    PCI Express Frequency (Mhz) .........: [100]
    C.I.A. 2.............................: [Disabled]

    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800mv
    PCI Express Clock Drive...................: 900mv
    CPU Clock Skew (ps).......................: 50mv << 50-150
    MCH Clock Skew (ps).......................: 100mv << 50-300

    DRAM Performance Control
    Performance Enhance....................: [Standard]
    Extreme Memory Profile (X.M.P.)........: [Disabled]
    (G)MCH Frequency Latch.................: [Auto]
    System Memory Multiplier ..............: 2.66D << If you go past 1066 you may get unstable so you could use 2.00D with tighter ram timings instead or 9 CPU Multi with 2.00D and a higher FSB

    Memory Frequency (Mhz) ................: 1066Mhz

    DRAM Timing Selectable ................: [Manual]
    Standard Timing Control
    CAS Latency Time...............................: [5]
    tRCD ..........................................: [5]
    tRP'...........................................: [5]
    tRAS...........................................: [15]/18

    Advanced Timing Control
    tRRD...........................................3-5
    tWTR..........................................4-8
    tWR............................................5-10
    tRFC...........................................62-85
    tRTP...........................................4-8
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................800-1200 (Test/Benchmark all three last)

    Channel A
    Static tRead Value.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH
    tRD Phase0 Adjustment...................:<<< 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.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH
    tRD Phase0 Adjustment...................:<<< 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
    Load-Line Calibration....................: [Enabled]
    CPU Vcore….……….........1.22500V*.........: 1.2000 << more, all up to your CPU but dont use Auto

    CPU Termination…...... 1.200V*...........: 1.200 << 1.24-1.38 << manually set for sure, DO NOT USE AUTO!!

    CPU PLL………………….........1.500V*...........: 1.50 << manually set for sure, DO NOT USE AUTO!!

    CPU Reference..........0.760V............: 0.76 <<< Auto

    MCH/ICH
    MCH Core……………..........1.100V............: 1.100 << Should be 1.24-1.35 for 8GB

    MCH Reference..…...….….0.760V............: 0.76 << Auto or or .70 (If you set .70, set Vtt/Termination to stock manually then set this, then go back and raise your Vtt to what you plan to use)

    MCH/DRAM Reference.....0.900V............: [Auto]
    ICH I/O…………....……......1.500V............: 1.5-1.6
    ICH Core...............1.100V............: 1.14-1.25

    DRAM
    DRAM Voltage ……........1.800V............: [Auto] << Not sure as I dont know your ram, but Auto is not best. Normally 2.0-2.1 should be set

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

    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] Enabled if you use Vmware/Virtual PC

    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled] *Note* Must be enabled to flash from USB

  8. #8
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    Default Re: Please help me overclock my E8600 with EP45-UD3P Mobo

    Thank you very much for your post!

    This is the link to my RAMs. ---> Newegg.com - G.SKILL 4GB &#40;2 x 2GB&#41; 240-Pin DDR2 SDRAM DDR2 1066 &#40;PC2 8500&#41; Dual Channel Kit Desktop Memory - Desktop Memory

    And here's a setting I could have achieved for 4.27 ghz, I think it's stable, but I really don't understand what is exact terms of "stable". CPU temp idle at 32C, load at 41C.

    My setting at 4.27Ghz is,

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster .................: [Turbo]
    CPU Clock Ratio .........................: 9
    Fine CPU Clock Ratio.....................: [+0.5]
    CPU Frequency ...........................: 4275 MHz

    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 450Mhz
    PCI Express Frequency (Mhz) .........: [100]
    C.I.A. 2.............................: [Disabled]

    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800mv
    PCI Express Clock Drive...................: 900mv
    CPU Clock Skew (ps).......................: 50mv << 50-150
    MCH Clock Skew (ps).......................: 100mv << 50-300

    DRAM Performance Control
    Performance Enhance....................: [Turbo]
    Extreme Memory Profile (X.M.P.)........: [Disabled]
    (G)MCH Frequency Latch.................: [Auto]
    System Memory Multiplier ..............: 2.40B <<
    Memory Frequency (Mhz) ................: 1080Mhz

    DRAM Timing Selectable ................: [Manual]
    Standard Timing Control
    CAS Latency Time...............................: [5]
    tRCD ..........................................: [5]
    tRP'...........................................: [5]
    tRAS...........................................: [15]

    Advanced Timing Control
    tRRD...........................................5
    tWTR..........................................8
    tWR............................................10
    tRFC...........................................85
    tRTP...........................................8
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................900 (Test/Benchmark all three last)

    Channel A
    Static tRead Value.........................:Auto
    tRD Phase0 Adjustment...................:<<< 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.........................: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

    Motherboard Voltage Control
    Load-Line Calibration....................: [Enabled]
    CPU Vcore….……….........1.22500V*.........: 1.3000

    CPU Termination…...... 1.200V*...........: 1.25

    CPU PLL………………….........1.500V*...........: 1.50

    CPU Reference..........0.760V............: Auto

    MCH/ICH
    MCH Core……………..........1.100V............: 11.24

    MCH Reference..…...….….0.760V............: Auto

    MCH/DRAM Reference.....0.900V............: [Auto]
    ICH I/O…………....……......1.500V............: 1.5
    ICH Core...............1.100V............: 1.14

    DRAM
    DRAM Voltage ……........1.800V............: 2.0v

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

    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]

    It boot up some how and look stable until this morning since last night, but would you recommend this setting for 24/7 use? My Antec Case's fans are set at "Med Speed" and CPU never go over 50C (Only when I use "OCCT" it went over 50C).

    I want the best performance out of system but i don't want my systems to be water cooled. What is your recommend 24/7 setting? Do you think i can use that clock 4.27ghz for 24/7 with that cooler?

    Thank you very much for your help again!

    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled] *Note* Must be enabled to flash from USB

  9. #9

    Default Re: Please help me overclock my E8600 with EP45-UD3P Mobo

    So what are you doing to say its stable?

    For me I like to do 8hrs of prime or OCCT or both. Some people just do 2hrs and say its good, while others do 24hrs. Basically how many hours doesnt matter, what matters is that it does pass at least 1-2hrs, then it should play all your games or Fold w/o issue. If you have random issues its not stable and I would adjust something till those issues go away. Again running a stress test for 8hrs should be plenty.

  10. #10
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Please help me overclock my E8600 with EP45-UD3P Mobo

    Yes, stable would be passing some tests as mentioned above. Memtest86+ and Orthos is what I use. Linked here is Plenty of testing tools Post #3 >>>
    http://forums.tweaktown.com/f69/intel-burn-test-27994/

    Grab Memtest86+ 2.11B and run 5-10 passes then you know your ram is stable. As for your CPU you can choose from many different tools and methods all up to you

    24/7 depends on your temps. What was your max temp in OCCT?

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster .................: [Turbo]
    CPU Clock Ratio .........................: 9
    Fine CPU Clock Ratio.....................: [+0.5]
    CPU Frequency ...........................: 4275 MHz

    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 450Mhz
    PCI Express Frequency (Mhz) .........: [100]
    C.I.A. 2.............................: [Disabled]

    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800mv
    PCI Express Clock Drive...................: 900mv
    CPU Clock Skew (ps).......................: 50mv << 50-150
    MCH Clock Skew (ps).......................: 100mv << 50-300

    DRAM Performance Control
    Performance Enhance....................: [Turbo] << Standard. If not all your ram settings (Voltages and timings) will be ignored and the board will choose them for you.

    Extreme Memory Profile (X.M.P.)........: [Disabled]
    (G)MCH Frequency Latch.................: [Auto]
    System Memory Multiplier ..............: 2.40B << 2.00D or 2.66D may be more stable for you

    Memory Frequency (Mhz) ................: 1080Mhz

    DRAM Timing Selectable ................: [Manual]
    Standard Timing Control
    CAS Latency Time...............................: [5]
    tRCD ..........................................: [5]
    tRP'...........................................: [5]
    tRAS...........................................: [15]/18

    Advanced Timing Control
    tRRD...........................................3-5
    tWTR..........................................5-8
    tWR............................................6-10
    tRFC...........................................62-85
    tRTP...........................................4-8
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................900 (Test/Benchmark all three last) << 900? There is no 900?

    Channel A
    Static tRead Value.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH
    tRD Phase0 Adjustment...................:<<< 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.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH
    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
    Load-Line Calibration....................: [Enabled]
    CPU Vcore….……….........1.22500V*.........: 1.3000 << May need more or less, all depends on your CPU. What Vtt you use below matters as well

    CPU Termination…...... 1.200V*...........: 1.25-1.38

    CPU PLL………………….........1.500V*...........: 1.50

    CPU Reference..........0.760V............: Auto

    MCH/ICH
    MCH Core……………..........1.100V............: 1.24-1.28

    MCH Reference..…...….….0.760V............: Auto

    MCH/DRAM Reference.....0.900V............: [Auto]
    ICH I/O…………....……......1.500V............: 1.5-1.6
    ICH Core...............1.100V............: 1.14-1.25

    DRAM
    DRAM Voltage ……........1.800V............: 2.0v << 2.0-2.1

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