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Thread: Stable E8400 OC - stock voltages




  1. #131

    Default Re: Stable E8400 OC - stock voltages

    Quote Originally Posted by Dodgexander View Post
    Im not sure about Outer Marker, but heres my 4ghz, baring in mind I have a poor chip:
    You're stable with this settings? What do you mean by poor chip?

  2. #132

    Default Re: Stable E8400 OC - stock voltages

    Yep, im stable with these settings. When I mention poor chip, I mean I need more voltage to keep stable at 4ghz compared to others. I have the older C0 stepping of the chip, not the more Recent E0 Stepping.

    Basically, you can use my template with the voltage I have as long as you have good cooling and test your temps. Once you get stable, you can then slowly reduce voltage bit by bit.
    Motherboard: Gigabyte GA-EP45-UD3R
    CPU: E8400 C0
    Memory: Team Xtreem Dark PC2 8500 DDR2 1066MHz CL5 (2*2GB)
    GPU: XFX GTX280
    Sound: Xonar HDAV Deluxe
    HDD's: WD VelociRaptor, WD Blue AAKS, WD Blue 2500BB
    PSU: Corsair HX620
    Case: Sharkoon Rebel12 Value
    CPU Cooler: Xigmatek Achilles S1284C
    Fans: Intake & Extract Top: Sharkoon 140MM 5v mod, Intake Bottom Opposite HDD's: Scythe 120mm Low RPM Drive Bay
    HDD's In 5.25 bay held in 2x Nexus DoubleTwins
    Disc Drives: Blu Ray/HDDVD LG GGCH20L, Pioneer DVR-216DBK
    Monitor: Samsung LE40M86B
    Receiver: Harman Kardon AVR255
    Speaker System: Q Accoustics 5.1i System

    Natalya Simonova: Do you destroy every vehicle you get into?
    James Bond: Standard operating procedure. Boys with toys.
    Goldeneye

  3. #133
    Join Date
    Jan 2009
    Location
    Virginia, USA
    Posts
    115

    Default Re: Stable E8400 OC - stock voltages

    Hey guys,

    I just wanted to chime in here and say thanks to everyone that has posted their settings. I think this thread is a great resource for the E8400 CPU. I totally agree with the C0 version requiring modifications to my settings. In fact, there may be some E0 people out there that have to tweak things a bit more to get stable.

    I still haven't done 4.0 GHz long-term stability and "how low can you go" test with voltage. As many of you know by now, I'm a stability freak and an eco-friendly nerd so I like to test for a long term stability and only use the voltage I need and nothing more. Unfortunately, this process takes wicked amounts of time... I'll keep you guys posted as I move higher.
    Gigabyte EP45-UD3R (F7 BIOS)
    Intel Pentium E8400 E0
    Arctic Cooling Freezer 7 Pro
    G.Skill DDR2 1066 (2x2GB) 5-5-5-15 @ 2.0V~2.1V
    EVGA GeForce 9800 GT 512MB
    (3x) Seagate Barracuda 250GB SATA II Drives
    CORSAIR 650TX 650W PSU
    Cooler Master Centurion 5 Case
    XP Professional 32-bit SP3

    Stable E8400 OC - stock voltages
    Stable E8400 OC - 3.83

  4. #134
    Join Date
    Apr 2009
    Posts
    4

    Default Re: Stable E8400 OC - stock voltages

    thank you outer marker

    will post my settings when i get a chance to "tweak"

  5. #135
    Join Date
    May 2009
    Posts
    49

    Default Re: Stable E8400 OC - stock voltages

    Works for me. time to play around some more.
    Last edited by drewis; 05-04-2009 at 09:26 PM.

  6. #136

    Default Re: Stable E8400 OC - stock voltages

    Quote Originally Posted by Outer Marker View Post
    Hey guys,

    I just wanted to chime in here and say thanks to everyone that has posted their settings. I think this thread is a great resource for the E8400 CPU. I totally agree with the C0 version requiring modifications to my settings. In fact, there may be some E0 people out there that have to tweak things a bit more to get stable.

    I still haven't done 4.0 GHz long-term stability and "how low can you go" test with voltage. As many of you know by now, I'm a stability freak and an eco-friendly nerd so I like to test for a long term stability and only use the voltage I need and nothing more. Unfortunately, this process takes wicked amounts of time... I'll keep you guys posted as I move higher.
    Cool. Keep us posted.

  7. #137

    Default Re: Stable E8400 OC - stock voltages

    Yeah, this a good resource for sure. For those of you looking for more templates, there are ones here also, cant stress how good this review is. One of these templates helped me get stable at 4ghz and memory at 1066.

    Just remember to find your min CPU vcore for 4ghz first by using 9x450 on the 2.00D strap (should be easier than 2.00B) once you find this, its all about FSB. Higher FSB requires more VTT (CPU Termination in gigabyte terms) and therefore also a fine tuned MCH Ref.

    Once you get above 500FSB the boards are VERY picky when it comes to TRD and MCH reference values, so be sure to find your sweet spot.

    Heres the template I used for 4ghz.

    GIGABYTE GA-EP45-UD3R
    [u]MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Fast
    CPU Clock Ratio ..........................: 7
    Fine CPU Clock Ratio.....................:. 0.5
    CPU Frequency ...........................: 3.999Mhz
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............:533Mhz
    PCI Express Frequency (Mhz) .........:103Mhz
    C.I.A. 2......................................: Disabled
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 700mv
    PCI Express Clock Drive.................: 900mv
    CPU Clock Skew (ps)....................: 0ps
    MCH Clock Skew (ps)...................: 0ps
    DRAM Performance Control
    Performance Enhance...................: [Standard]
    Extreme Memory Profile (X.M.P.).....: [Disabled]
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: 2.00B
    Memory Frequency (Mhz) ..............: 1,066Mhz
    DRAM Timing Selectable ................: [Manual]
    Standard Timing Control (Again set to you ram spec)
    CAS Latency Time..........................: 5
    tRCD ...........................................: 5
    tRP..............................................: 5
    tRAS............................................: 13
    Advanced Timing Control [Press Enter] (I have since tightened these timings, but you need to loosen them for testing)
    tRRD...........................................:3
    tWTR..........................................:3
    tWR............................................:2
    tRFC...........................................:47
    tRTP...........................................:2
    Command Rate (CMD) ....................:Auto

    Channel A

    Channel A Timings Settings [Press Enter]
    Static tRead Value.........................:10
    tRD Phase0 Adjustmen...................: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 .....................: Enabled
    Channel A Driving Settings [Press Enter]
    Driving Strength Profile...................:[1066]

    Data Driving Pull-Up Level...............:Auto
    Cmd Driving Pull-Up Level................:Auto
    Ctrl Driving Pull-Up Level.................:Auto
    Clk Driving Pull-Up Level..................:Auto

    Data Driving Pull-Down Level...........:Auto
    Cmd Driving Pull-Down Level............:Auto
    Ctrl Driving Pull-Down Level.............:Auto
    Clk Driving Pull-Down Level..............:Auto
    Channel B

    Channel B Timings Settings [Press Enter]
    Static tRead Value.........................: 10
    tRD Phase0 Adjustmen....................:Auto
    tRD Phase1 Adjustment...................:Auto
    tRD Phase2 Adjustment ..................:Auto
    tRD Phase3 Adjustment...................:Auto
    Trd2rd(Different Rank).....................:8
    Twr2wr(Different Rank).....................:8
    Twr2rd(Different Rank).....................:7
    Trd2wr(Same/Diff Rank)....................:9
    Dimm1 Clock Skew Control...................:Auto ps
    Dimm2 Clock Skew Control...................:Auto ps
    DDR Write Training .........................: Auto(enable this as a test if you have memory problems)
    Channel B Driving Settings [Press Enter]
    Driving Strength Profile...................:[1066]

    Data Driving Pull-Up Level.................:Auto
    Cmd Driving Pull-Up Level..................:Auto
    Ctrl Driving Pull-Up Level.................:Auto
    Clk Driving Pull-Up Level..................:Auto

    Data Driving Pull-Down Level...............:Auto
    Cmd Driving Pull-Down Level................:Auto
    Ctrl Driving Pull-Down Level...............:Auto
    Clk Driving Pull-Down Level................:Auto


    {U]Motherboard Voltage Control{/U]
    Voltage Type.………... Normal
    CPU
    Load Line Calibration......................: [Disabled]
    CPU Vcore...................................:1.4315v
    CPU Termination…..... 1.200V*........:1.340v
    CPU PLL...............1.500V*.............:1.57 v
    CPU Reference.........0.755V*..........:0.836 v
    MCH/ICH
    MCH Core..............1.100V................: 1.38v
    MCH Reference.........0.800V..............: 0.776v
    MCH/DRAM Ref..........0.900V...............:Normal
    ICH I/O.................1.50V...............: Auto
    ICH Core............……1.100V...............:Auto
    DRAM
    DRAM Voltage..........1.800V...............: 2.200v (Set to your max ram voltage)
    DRAM Termination......0.900V...............: Normal
    Channel A Reference...0.900V...............: Normal
    Channel B Reference...0.900V...............: Normal
    [b]{U]Advanced Settings[b]{U]
    Limit CPUID Max. to 3......................: [Disabled]
    No-Execute Memory Protect..................: [Disabled]
    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]

    Baring in mind my E8400 requires more voltage. The guy who made this template set his E0 stepping to 3.92vcore in bios and he even had Load Line Calibration enabled!#

    I would suggest you find your min vcore using the 2.00D strap first 450x9 and then after you have found this, test your min vcore with Load Line Calibration enabled. Make sure that you DO NOT enable LLC when above 1.4v actual (shown in cpu z) or you may fry your CPU. My vcore for 4ghz without LLC is 1.43150 bios, 1.392 CPUZ load. With LLC enabled it is 1.3750 bios 1.34 load.
    Last edited by Dodgexander; 05-06-2009 at 02:01 AM.
    Motherboard: Gigabyte GA-EP45-UD3R
    CPU: E8400 C0
    Memory: Team Xtreem Dark PC2 8500 DDR2 1066MHz CL5 (2*2GB)
    GPU: XFX GTX280
    Sound: Xonar HDAV Deluxe
    HDD's: WD VelociRaptor, WD Blue AAKS, WD Blue 2500BB
    PSU: Corsair HX620
    Case: Sharkoon Rebel12 Value
    CPU Cooler: Xigmatek Achilles S1284C
    Fans: Intake & Extract Top: Sharkoon 140MM 5v mod, Intake Bottom Opposite HDD's: Scythe 120mm Low RPM Drive Bay
    HDD's In 5.25 bay held in 2x Nexus DoubleTwins
    Disc Drives: Blu Ray/HDDVD LG GGCH20L, Pioneer DVR-216DBK
    Monitor: Samsung LE40M86B
    Receiver: Harman Kardon AVR255
    Speaker System: Q Accoustics 5.1i System

    Natalya Simonova: Do you destroy every vehicle you get into?
    James Bond: Standard operating procedure. Boys with toys.
    Goldeneye

  8. #138
    Join Date
    May 2009
    Posts
    49

    Default Re: Stable E8400 OC - stock voltages

    Wow you guys are lucky with your Vcores.. mine wont even boot into windows at 1.3325.. my VID is 1.300.. With E0.. I dont know how you guys are achieving 4ghz with 1.27

  9. #139

    Default Re: Stable E8400 OC - stock voltages

    I'm not lucky lol, just a made a mistake in my post. I actually need 1.4315v
    Last edited by Dodgexander; 05-06-2009 at 02:01 AM.
    Motherboard: Gigabyte GA-EP45-UD3R
    CPU: E8400 C0
    Memory: Team Xtreem Dark PC2 8500 DDR2 1066MHz CL5 (2*2GB)
    GPU: XFX GTX280
    Sound: Xonar HDAV Deluxe
    HDD's: WD VelociRaptor, WD Blue AAKS, WD Blue 2500BB
    PSU: Corsair HX620
    Case: Sharkoon Rebel12 Value
    CPU Cooler: Xigmatek Achilles S1284C
    Fans: Intake & Extract Top: Sharkoon 140MM 5v mod, Intake Bottom Opposite HDD's: Scythe 120mm Low RPM Drive Bay
    HDD's In 5.25 bay held in 2x Nexus DoubleTwins
    Disc Drives: Blu Ray/HDDVD LG GGCH20L, Pioneer DVR-216DBK
    Monitor: Samsung LE40M86B
    Receiver: Harman Kardon AVR255
    Speaker System: Q Accoustics 5.1i System

    Natalya Simonova: Do you destroy every vehicle you get into?
    James Bond: Standard operating procedure. Boys with toys.
    Goldeneye

  10. #140
    Join Date
    May 2009
    Posts
    49

    Default Re: Stable E8400 OC - stock voltages

    oh HAHA
    yeah I even tried 1.32xx..
    probably my mch settings as I only bumped up +0.1 and FSB +0.1

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