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Thread: Stable E8400 OC - stock voltages




  1. #151

    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.
    I see bios F9 is out now. Which are you running and any other experimenting with 4Ghz or higher? I see 4.5Ghz has been hit by Capt Proton.

  2. #152
    Join Date
    Mar 2009
    Posts
    22

    Default Re: Stable E8400 OC - stock voltages

    Has anybody tried using energy saving settings with their e8400 o/c's? Particularly at stock voltages? I'd like to try it out and save a little energy but I haven't messed with my overclock since I got 4.0ghz stable.
    **thepieguy**
    CPU : Core2Duo E8400 @ 4.0Ghz, 1.2625v (BIOS)
    Power: CORSAIR CMPSU-400CX
    Mainboard : Gigabyte GA-EP45-UD3R
    CPU Cooler : Xigmatek HDT-S1283
    RAM : OCZ Reaper HPC DDR2 800 4GB (2 x 2GB) OCZ2RPR800C44GK
    Video Card : Sapphire ATI Radeon HD 4830
    Optical Drive : LITE-ON iHAS122-04
    OS : Windows XP SP3 32bit

  3. #153

    Default Re: Stable E8400 OC - stock voltages

    Quote Originally Posted by SBMongoos View Post
    Still running stable at 4.5?
    Yes, it seems very good. Had a bit of a setback playing Far Cry 2, lock ups. turns out it was my Vid Card overclock that was the problem. Backed off to 713 for the core from 730 and all seems to be good now. I'm going to back down my CPU volts a bit and see if it will be stable there.
    Last edited by Capt Proton; 05-13-2009 at 06:49 AM.
    i7 3770K, 47X100= 4.7GHz at 1.33V, ASROCK Z77 Extreme4, 2 X 4GB Patriot Viper Black Maba DDR3 1600, GTX 590, 2 X Corsair Force 3 120GB SSDs in RAID 0, Barracuda SATA 7200.10 500GB, Barracuda SATA 7200.11 1000GB Back Ups, OCZ ZX 1250W, Z-5500s, LG Blu Ray Player/DVD Burner, Koolance CTR-CD12 Fan/Pump Controller, Windows 7 X64 Professional, HAF X. Vision Quest 24" WS LCD, Optoma H66 Projector
    Cooling: Thermochill PA120.2 GT AP15 in push, DDC 3.25/XSPC Res top, Apogee Xt Extreme, XSPC Razor, Coolgate CG-240 Swiftech Helix in push/pull, MCP35X.

  4. #154

    Default Re: Stable E8400 OC - stock voltages

    Quote Originally Posted by Capt Proton View Post
    Yes, it seems very good. Had a bit of a setback playing Far Cry 2, lock ups. turns out it was my Vid Card overclock that was the problem. Backed off to 713 for the core from 730 and all seems to be good now. I'm going to back down my CPU volts a bit and see if it will be stable there.
    No. Going to have to leave it at 1.4 in the BIOS for 1.38 as measured by the software.
    i7 3770K, 47X100= 4.7GHz at 1.33V, ASROCK Z77 Extreme4, 2 X 4GB Patriot Viper Black Maba DDR3 1600, GTX 590, 2 X Corsair Force 3 120GB SSDs in RAID 0, Barracuda SATA 7200.10 500GB, Barracuda SATA 7200.11 1000GB Back Ups, OCZ ZX 1250W, Z-5500s, LG Blu Ray Player/DVD Burner, Koolance CTR-CD12 Fan/Pump Controller, Windows 7 X64 Professional, HAF X. Vision Quest 24" WS LCD, Optoma H66 Projector
    Cooling: Thermochill PA120.2 GT AP15 in push, DDC 3.25/XSPC Res top, Apogee Xt Extreme, XSPC Razor, Coolgate CG-240 Swiftech Helix in push/pull, MCP35X.

  5. #155

    Default Re: Stable E8400 OC - stock voltages

    Quote Originally Posted by thepieguy View Post
    Has anybody tried using energy saving settings with their e8400 o/c's? Particularly at stock voltages? I'd like to try it out and save a little energy but I haven't messed with my overclock since I got 4.0ghz stable.
    What are your settings for the 4.0. Running the 3.83 you had posted previous.

  6. #156

    Default Re: Stable E8400 OC - stock voltages

    Quote Originally Posted by Capt Proton View Post
    Managed to get to 4.5GHz. This is Intel Burn Test (10 loops) stable, 3D Mark 06 and Vantage and Prime 95 stable.

    <link rel="File-List" href="file:///C:%5CUsers%5CMike%5CAppData%5CLocal%5CTemp%5Cmsoht ml1%5C01%5Cclip_filelist.xml"><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="Street"></o:smarttagtype><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="address"></o:smarttagtype><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="City"></o:smarttagtype><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place"></o:smarttagtype><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="PersonName"></o:smarttagtype><!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:Compatibility> <w:BreakWrappedTables/> <w:SnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--><!--[if !mso]><object classid="clsid:38481807-CA0E-42D2-BF39-B33AF135CC4D" id=ieooui></object> <style> st1\:*{behavior:url(#ieooui) } </style> <![endif]--><style> <!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0in; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} a:link, span.MsoHyperlink {color:blue; text-decoration:underline; text-underline:single;} a:visited, span.MsoHyperlinkFollowed {color:purple; text-decoration:underline; text-underline:single;} pre {margin:0in; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Courier New"; mso-fareast-font-family:"Times New Roman";} @page Section1 {size:8.5in 11.0in; margin:1.0in 1.25in 1.0in 1.25in; mso-header-margin:.5in; mso-footer-margin:.5in; mso-paper-source:0;} div.Section1 {page:Section1;} --> </style><!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} </style> <![endif]--> <o:p></o:p>==========
    <o:p> </o:p>
    [code]MB Intelligent Tweaker(M.I.T.)
    ******************************
    Robust Graphics Booster ..............: [A]
    CPU Clock Ratio ......................: [9X]
    x Fine CPU Clock Ratio................: +0.0
    CPU Frequency ........................: 4.5GHz( 500x9)
    ********** Clock Chip Control ********
    >>>>> Standard Clock Control
    CPU Host Clock Control................: [Enabled]
    x CPU Host Frequency(Mhz).............: [500]
    PCI Express Frequency(Mhz)............: [100]
    C.I.A.2...............................: [Disabled]
    >>>>> Advanced Clock Control..........: [Press Enter]
    <st1:street><st1:address>CPU Clock Drive</st1:address></st1:street>.......................: [800mV]
    <st1:street><st1:address>PCI Express Clock Drive</st1:address></st1:street>...............: [900mV]
    CPU Clock Skew........................: [ 0ps]
    MCH Clock Skew........................: [ 0ps]
    ******** DRAM Performance Control ********
    Performance Enhance...................: [Standard]
    Extreme <st1:personname>Me</st1:personname>mory Profile(X.M.P.)........: [Disabled]
    (G)MCH Frequency Latch................: [Auto]
    System <st1:personname>Me</st1:personname>mory Multiplier (SPD)........: [2.00D]
    <st1:personname>Me</st1:personname>mory Frequency(Mhz).....800.........: 1000
    DRAM Timing Selectable (SPD)..........: [Manual]
    >>>>> Standard Timing Control
    x CAS Latency Time................5...: [ 5]
    x tRCD ...........................5...: [ 5]
    x tRP.............................5...: [ 5]
    x tRAS...........................18...: [15]
    >>>>> Advanced Timing Control.........: [Press Enter]
    x tRRD............................3...: [ 3]
    x tWTR............................3...: [ 3]
    x tWR.............................6...: [ 1]
    x tRFC...........................52...: [54]
    x tRTP............................3...: [ 4]
    x Command Rate (CMD) .............0...: [ A]
    >>>>> Channel A Timing Settings.......: [Press Enter]
    x Static tRead Value.............10...: [ 9]
    x tRD Phase0 Adjustment...........0...: Auto
    x tRD Phase1 Adjustment...........0...: Auto
    x tRD Phase2 Adjustment ..........0...: Auto
    x tRD Phase3 Adjustment...........0...: Auto
    x Trd2rd(Different Rank)..........6...: Auto
    x Twr2wr(Different Rank)..........6...: Auto
    x Twr2rd(Different Rank)..........5...: Auto
    x Trd2wr(Same/Diff Rank)..........8...: Auto
    x DIMM1 Clock Skew Control (ps).......: Auto
    x DIMM2 Clock Skew Control (ps).......: Auto
    x DDR Write Training..................: Auto
    >>>>> Channel A Driving Settings......: [Press Enter]
    x Driving Strength Profile............: Auto
    x Data Driving Pull-Up Level..........: Auto
    x Cmd Driving Pull-Up level...........: Auto
    x Ctrl Driving Pull-Up Level..........: Auto
    x Clk Driving Pull-Up Level...........: Auto
    x Data Driving Pull-Down Level........: Auto
    x Cmd Driving Pull-Down level.........: Auto
    x Ctrl Driving Pull-Down Level........: Auto
    x Clk Driving Pull-Down Level.........: Auto
    >>>>> Channel B Timing Settings.......: [Press Enter]
    x Static tRead Value.............10...: [ 9]
    x tRD Phase0 Adjustment...........0...: Auto
    x tRD Phase1 Adjustment...........0...: Auto
    x tRD Phase2 Adjustment ..........0...: Auto
    x tRD Phase3 Adjustment...........0...: Auto
    x Trd2rd(Different Rank)..........6...: Auto
    x Twr2wr(Different Rank)..........6...: Auto
    x Twr2rd(Different Rank)..........5...: Auto
    x Trd2wr(Same/Diff Rank)..........8...: Auto
    x DIMM1 Clock Skew Control (ps).......: Auto
    x DIMM2 Clock Skew Control (ps).......: Auto
    x DDR Write Training..................: Auto
    >>>>> Channel B Driving Settings......: [Press Enter]
    x Driving Strength Profile............: Auto
    x Data Driving Pull-Up Level..........: Auto
    x Cmd Driving Pull-Up level...........: Auto
    x Ctrl Driving Pull-Up Level..........: Auto
    x Clk Driving Pull-Up Level...........: Auto
    x Data Driving Pull-Down Level........: Auto
    x Cmd Driving Pull-Down level.........: Auto
    x Ctrl Driving Pull-Down Level........: Auto
    x Clk Driving Pull-Down Level.........: Auto
    ****** Motherboard Voltage Control ******
    Voltage Types..........<st1:city><st1:place>Normal</st1:place></st1:city>...........Current
    -----------------------------------------------
    >>> CPU
    Load-Line Calibration.................: [Enabled]
    CPU Vcore..............1.27500V.......: [1.38V]
    CPU Termination........1.200V.........: [1.300V]
    CPU PLL................1.500V.........: [1.650V]
    CPU Reference..........0.760V.........: [.72]
    >>> MCH/ICH
    MCH Core...............1.100V.........: [1.380V]
    MCH Reference..........0.760V.........: [.72]
    MCH/DRAM Reference.....0.900V.........: [1.05]
    ICH I/O................1.500V.........: [1.500V]
    ICH Core...............1.100V.........: [1.100V]
    >>> DRAM
    DRAM Voltage...........1.800V.........: [2.10V]
    DRAM Termination.......0.900V.........: [1.05]
    Channel A Reference....0.900V.........: [1.05]
    Channel B Reference....0.900V.........: [1.05]
    ******** Advanced BIOS Features ********
    Hard Disk Boot Priority...............: [Press Enter]
    First Boot Device.....................: [Hard Disk]
    Second Boot Device....................: [Disabled]
    Third Boot Device.....................: [Disabled]
    Password Check........................: [Setup]
    HDD S.M.A.R.T. Capability.............: [Enabled]
    Limit CPUID Max. to 3.................: [Disabled]
    No-Execute <st1:personname>Me</st1:personname>mory 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]
    Delay For HDD (Secs)..................: [ 0]
    Full Screen LOGO Show.................: [Disabled]
    Init Display First....................: [PEG]
    ******** Integrated Peripherals ********
    USB Keyboard Function.................: [Disabled]
    USB Mouse Function....................: [Disabled]
    USB Storage Function..................: [Disabled]
    <o:p> </o:p>
    ==========
    <o:p> </o:p>
    <o:p> </o:p>
    <o:p> </o:p>
    short description:
    500 X 9 = 4.5GHz, 1.38 cpu voltages
    5-5-5-15 @ 2.10v vdimm
    Couldn't get this to work. Would like to. Not sure where I may need to tweak. I did not ENABLE Load-Line Calibration however. Not sure if that mattered. Couldn't even boot. BIOS, of course, let me in after a couple of boot attempts and just moved back to previous settings. Bummer!

  7. #157
    Join Date
    Jan 2009
    Location
    Virginia, USA
    Posts
    115

    Default Re: Stable E8400 OC - stock voltages

    Quote Originally Posted by thepieguy View Post
    Has anybody tried using energy saving settings with their e8400 o/c's? Particularly at stock voltages? I'd like to try it out and save a little energy but I haven't messed with my overclock since I got 4.0ghz stable.
    I tried using DES from Gigabyte, but got weird high-pitched whistling from the motherboard. It drove me crazy, and I had a little doubt regarding how much energy I was really saving.

    My approach has been to use OS power savings rather than hardware. For instance, I have my monitor set to turn off after 30 minutes, my drives spin down after 20 minutes, and my PC sleeps after 1 hour. I use the P3 Kill-a-watt energy meter at the wall outlet to measure PC power consumption. I saw little if any savings with DES, but by using the settings I mentioned in the OS to turn off the monitor, spin-down hard drives, and sleep the PC after an hour, I cut weekly PC consumption by 33%
    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

  8. #158

    Default Re: Stable E8400 OC - stock voltages

    Quote Originally Posted by SBMongoos View Post
    Couldn't get this to work. Would like to. Not sure where I may need to tweak. I did not ENABLE Load-Line Calibration however. Not sure if that mattered. Couldn't even boot. BIOS, of course, let me in after a couple of boot attempts and just moved back to previous settings. Bummer!
    If you didn't enable Load Line Calibration, then it may droop too much. That wouldn't explain why it won't POST though. I had the same problem. Ran perfectly stable at 489FSB, wouldn't even POST at 500FSB. I think what did it for me was paying careful attention to what is discussed in the BIOS setting stickie. Things like how to set the CPU and MCH reference, what voltages should be 50% of your memory voltage, etc. First thing I would try is setting the Static tRead to 10 or higher, at least until you can boot. Try lowering MCH voltage. I also have set 1.4V for the CPU in the BIOS. It reads 1.38 in Windows. I have also set the Driving Strength Profile to 1066.
    i7 3770K, 47X100= 4.7GHz at 1.33V, ASROCK Z77 Extreme4, 2 X 4GB Patriot Viper Black Maba DDR3 1600, GTX 590, 2 X Corsair Force 3 120GB SSDs in RAID 0, Barracuda SATA 7200.10 500GB, Barracuda SATA 7200.11 1000GB Back Ups, OCZ ZX 1250W, Z-5500s, LG Blu Ray Player/DVD Burner, Koolance CTR-CD12 Fan/Pump Controller, Windows 7 X64 Professional, HAF X. Vision Quest 24" WS LCD, Optoma H66 Projector
    Cooling: Thermochill PA120.2 GT AP15 in push, DDC 3.25/XSPC Res top, Apogee Xt Extreme, XSPC Razor, Coolgate CG-240 Swiftech Helix in push/pull, MCP35X.

  9. #159
    Join Date
    Jun 2009
    Posts
    66

    Default Re: Stable E8400 OC - stock voltages

    I know this is an older thread, but it was so good, I bookmarked it.
    Excellent information.
    Well done all.
    Case: Cooler Master Sniper
    PSU: Thermaltake Toughpower 750
    UPS: APC CS 500
    CPU: Intel QX9650 3.00 GHZ Cooler: Xigmatek Black Knight
    MB : Gigabyte GA-EP45T-DS3R Rev 1 Bios:F2 Bus:333
    Ram: 4GB (2X2GB) DDR3 Corsair XMS TW3X4G1600C9DHX (9 9 9 24 1.8V ver 3.2)
    GPU: EVGA Nvidia 8800 GTX 768 MB
    HDD: Western Digital Raptor 150GB SATA
    DVD: Memorex CD/DVD Writer 52X/32X/16X
    Display: Sharp LC-42D72U 42 in LCD 60Hz
    OS: Windows XP PRO SP3
    Misc: Seagate 300GB SATA Drive in Kingwin hot swap module (used for image backups)


  10. #160

    Default Re: Stable E8400 OC - stock voltages

    Anyone else have luck getting 4.5Ghz stable? Curious of your settings.

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