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Thread: Stable E8400 OC - stock voltages




  1. #21

    Default Re: Stable E8400 OC - stock voltages

    Quote Originally Posted by Lsdmeasap View Post
    This is Just a template I use to ask people their settings, pay no attention to the numbers in it, replace with yours
    Just a couple bits of info. First this mb is v1.1 (as mentioned above), secondly the BIOS is F6.

    Also, you'll see I've gone with some of your suggestions earlier and adjusted to 3.6Ghz for now until I get the 4Ghz worked out. But the only MIT changes I made were the changes I mentioned before and no other based on info found elsewhere. I could see it wasn't working out so I found this thread and jumped in.

    Either way I appreciate your help!

    ************

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9x
    Fine CPU Clock Ratio.....................: +0.0
    CPU Frequency ...........................: 3.6Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 400 Mhz
    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)....................: 0
    MCH Clock Skew (ps)...................: 0


    DRAM Performance Control
    Performance Enhance...................: TURBO (default)
    Extreme Memory Profile (X.M.P.).....: Don't have this
    (G)MCH Frequency Latch...............: Auto
    System Memory Multiplier ..............: 2.40B
    Memory Frequency (Mhz) ..............: 960Mhz
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................ 5
    tRCD ......................................... 6
    tRP'........................................... 6
    tRAS.......................................... 18


    Advanced Timing Control
    tRRD........................................... 3 (all default)
    tWTR.......................................... 3
    tWR............................................ 6
    tRFC........................................... 54
    tRTP........................................... 3
    Command Rate (CMD) .................... 0

    Driving Strength Profiles
    Driving Strength ............................ Auto (all of them Auto no #s shown for values just Auto)

    Driving Timing Profiles

    Channel A
    Static tRead Value......................... 8
    tRD Phase0 Adjustment................... Auto
    tRD Phase1 Adjustment................... Auto
    tRD Phase2 Adjustment ................. Auto
    tRD Phase3 Adjustment.................. Auto
    Trd2rd(Different Rank).................... 8 (Auto)
    Twr2wr(Different Rank)................... 8 (Auto)
    Twr2rd(Different Rank)................... 7 (Auto)
    Trd2wr(Same/Diff Rank).................. 9 (Auto)
    Dimm1 Clock Skew Control............... Auto
    Dimm2 Clock Skew Control............... Auto
    DDR Write Timing............................ Auto

    Channel B
    Static tRead Value......................... 8
    tRD Phase0 Adjustment................... Auto
    tRD Phase1 Adjustment................... Auto
    tRD Phase2 Adjustment ................. Auto
    tRD Phase3 Adjustment.................. Auto
    Trd2rd(Different Rank).................... 8 (Auto)
    Twr2wr(Different Rank)................... 8 (Auto)
    Twr2rd(Different Rank)................... 7 (Auto)
    Trd2wr(Same/Diff Rank).................. 9 (Auto)
    Dimm1 Clock Skew Control............... Auto
    Dimm2 Clock Skew Control............... Auto
    DDR Write Timing............................ Auto

    Motherboard Voltage Control
    Voltage Type.………... Manual
    Load Line Calibration....Disabled
    CPU
    CPU Vcore….………......................... 1.25v (Auto)
    CPU Termination…......................... 1.2v
    CPU PLL…………………....................... 1.500V
    CPU Referen.…………....................... 0.76V
    CPU Reference2………...................... Don't have this


    MCH/ICH
    MCH Core…………….....1.100V........... 1.2v (manual)
    MCH Reference….……...................... .76v (Auto)
    MCH/DRAM Ref.…........................... 0.900V (Auto)
    ICH I/O………………........................... 1.500V (Auto)
    ICH Core…………...……...................... 1.100V (Auto)

    DRAM
    DRAM Voltage ……....1.800V............. 2.2v (manual)
    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 - intentional otherwise it tries to boot from my Sansa Fuze. This is my preference.]

  2. #22
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Stable E8400 OC - stock voltages

    About your legacy USB Setting, just some tips. You do have to enable that if you ever want to use Qlfash, and just so you know if that is happening with your Fuze, did you after enabling it go into the Advanced BIOS page and set your correct boot orders leaving the Fuze out (First, second, third) and then go into Hard Disk Boot Priority and move the fuze if shown to the bottom of the list. Just letting you know this may be what needs to done to not have that happen. But it may anyway, just giving you some pointers incase you did not know about those settings.

    Try this for 4Ghz



    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9x
    Fine CPU Clock Ratio.....................: +0.0
    CPU Frequency ...........................: 4.05Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 450 Mhz
    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)....................: 0
    MCH Clock Skew (ps)...................: 0


    DRAM Performance Control
    Performance Enhance...................: TURBO (default) << Here is likely why you are having issues. Use standard


    (G)MCH Frequency Latch...............: Auto
    System Memory Multiplier ..............: 2.40B << you may need to use 2.00D for now
    Memory Frequency (Mhz) ..............: 1080Mhz
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................ 5
    tRCD ......................................... 6
    tRP'........................................... 6
    tRAS.......................................... 18


    Advanced Timing Control
    tRRD........................................... 3-4
    tWTR.......................................... 3-6
    tWR............................................ 6-8
    tRFC........................................... 54-58
    tRTP........................................... 3
    Command Rate (CMD) .................... 2

    Driving Strength Profiles
    Driving Strength ............................ Set ONLY the driving strength profiles at the top of each channel to 1066

    Driving Timing Profiles
    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).................... 8 (Auto)
    Twr2wr(Different Rank)................... 8 (Auto)
    Twr2rd(Different Rank)................... 7 (Auto)
    Trd2wr(Same/Diff Rank).................. 9 (Auto)
    Dimm1 Clock Skew Control............... Auto
    Dimm2 Clock Skew Control............... Auto
    DDR Write Timing............................ Auto

    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).................... 8 (Auto)
    Twr2wr(Different Rank)................... 8 (Auto)
    Twr2rd(Different Rank)................... 7 (Auto)
    Trd2wr(Same/Diff Rank).................. 9 (Auto)
    Dimm1 Clock Skew Control............... Auto
    Dimm2 Clock Skew Control............... Auto
    DDR Write Timing............................ Auto

    Motherboard Voltage Control
    Voltage Type.………... Manual
    Load Line Calibration....Disabled
    CPU
    CPU Vcore….………......................... 1.25v (Auto) << Here is a HUGE issue, you cannot leave voltage on auto for overclock, this applies to PLL and termination as all. Set 1.25-1.38 and then you can lower later once you get stable

    CPU Termination…......................... 1.24-1.32v
    CPU PLL…………………....................... 1.5-1.58
    CPU Referen.…………....................... 0.76V << Use Auto


    MCH/ICH
    MCH Core…………….....1.100V........... 1.2v (manual) << 1.24
    MCH Reference….……...................... .76v (Auto)
    MCH/DRAM Ref.…........................... 0.900V (Auto)
    ICH I/O………………........................... 1.500V (Auto) << 1.55
    ICH Core…………...……...................... 1.100V (Auto) << 1.14-1.2

    DRAM
    DRAM Voltage ……....1.800V............. 2.2v (manual)
    DRAM Termination .…...................... 0.900V (Auto)
    Channel A Reference ...................... 0.900V (Auto)
    Channel B Reference ...................... 0.900V (Auto)

  3. #23

    Default Re: Stable E8400 OC - stock voltages

    Quote Originally Posted by Lsdmeasap View Post
    About your legacy USB Setting, just some tips. You do have to enable that if you ever want to use Qlfash, and just so you know if that is happening with your Fuze, did you after enabling it go into the Advanced BIOS page and set your correct boot orders leaving the Fuze out (First, second, third) and then go into Hard Disk Boot Priority and move the fuze if shown to the bottom of the list. Just letting you know this may be what needs to done to not have that happen. But it may anyway, just giving you some pointers incase you did not know about those settings.
    Yes I'm quite familiar with the setting for this. Let me clarify. The PC would do some odd things. Some times have issues booting correctly, other times I'd be in Windows and have some odd behavior if it did boot. I got stuck on that one (laughed after I figured it out). Called Gigabyte and it was the first thing they mentioned to do and the problem went away.

    I'll try your settings today.
    Last edited by SBMongoos; 03-11-2009 at 10:26 AM.

  4. #24

    Default Re: Stable E8400 OC - stock voltages

    You have a few that show ranges (ex: 54-58). Should I start with the lowest and if I have problems move up? How do I know which to bump up since there are a few shown with ranges?

    Quote Originally Posted by Lsdmeasap View Post

    Try this for 4Ghz



    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9x
    Fine CPU Clock Ratio.....................: +0.0
    CPU Frequency ...........................: 4.05Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 450 Mhz
    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)....................: 0
    MCH Clock Skew (ps)...................: 0


    DRAM Performance Control
    Performance Enhance...................: TURBO (default) << Here is likely why you are having issues. Use standard


    (G)MCH Frequency Latch...............: Auto
    System Memory Multiplier ..............: 2.40B << you may need to use 2.00D for now
    Memory Frequency (Mhz) ..............: 1080Mhz
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................ 5
    tRCD ......................................... 6
    tRP'........................................... 6
    tRAS.......................................... 18


    Advanced Timing Control
    tRRD........................................... 3-4
    tWTR.......................................... 3-6
    tWR............................................ 6-8
    tRFC........................................... 54-58

    tRTP........................................... 3
    Command Rate (CMD) .................... 2

    Driving Strength Profiles
    Driving Strength ............................ Set ONLY the driving strength profiles at the top of each channel to 1066

    Driving Timing Profiles
    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).................... 8 (Auto)
    Twr2wr(Different Rank)................... 8 (Auto)
    Twr2rd(Different Rank)................... 7 (Auto)
    Trd2wr(Same/Diff Rank).................. 9 (Auto)
    Dimm1 Clock Skew Control............... Auto
    Dimm2 Clock Skew Control............... Auto
    DDR Write Timing............................ Auto

    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).................... 8 (Auto)
    Twr2wr(Different Rank)................... 8 (Auto)
    Twr2rd(Different Rank)................... 7 (Auto)
    Trd2wr(Same/Diff Rank).................. 9 (Auto)
    Dimm1 Clock Skew Control............... Auto
    Dimm2 Clock Skew Control............... Auto
    DDR Write Timing............................ Auto

    Motherboard Voltage Control
    Voltage Type.………... Manual
    Load Line Calibration....Disabled
    CPU
    CPU Vcore….………......................... 1.25v (Auto) << Here is a HUGE issue, you cannot leave voltage on auto for overclock, this applies to PLL and termination as all. Set 1.25-1.38 and then you can lower later once you get stable

    CPU Termination…......................... 1.24-1.32v
    CPU PLL…………………....................... 1.5-1.58

    CPU Referen.…………....................... 0.76V << Use Auto


    MCH/ICH
    MCH Core…………….....1.100V........... 1.2v (manual) << 1.24
    MCH Reference….……...................... .76v (Auto)
    MCH/DRAM Ref.…........................... 0.900V (Auto)
    ICH I/O………………........................... 1.500V (Auto) << 1.55
    ICH Core…………...……...................... 1.100V (Auto) << 1.14-1.2

    DRAM
    DRAM Voltage ……....1.800V............. 2.2v (manual)
    DRAM Termination .…...................... 0.900V (Auto)
    Channel A Reference ...................... 0.900V (Auto)
    Channel B Reference ...................... 0.900V (Auto)

  5. #25

    Default Re: Stable E8400 OC - stock voltages

    Just checking in.

  6. #26
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Stable E8400 OC - stock voltages

    Sorry for the late reply, since you bumped your thread it got moved to the back end of my reply methods since I start back on new replies and work forward. And I am still trying to catch up (Two Full pages I wont get to tonight alone)

    When I posted ranges you should start with the upper range and work your way backward. Not always will the lower, or all the lower, work for you depending on voltages and the other timings.

    Did you ever get into trying anything yet? If so and you have issue, post back what you used that failed and I will advise back

  7. #27

    Default Re: Stable E8400 OC - stock voltages

    Quote Originally Posted by Lsdmeasap View Post
    Sorry for the late reply, since you bumped your thread it got moved to the back end of my reply methods since I start back on new replies and work forward. And I am still trying to catch up (Two Full pages I wont get to tonight alone)

    When I posted ranges you should start with the upper range and work your way backward. Not always will the lower, or all the lower, work for you depending on voltages and the other timings.

    Did you ever get into trying anything yet? If so and you have issue, post back what you used that failed and I will advise back
    Should we start a new thread?

    No, have not started yet as I wanted clarification first.

    My next question would be since there are a handful, or so, of these options that have variables (start high and work your way down as you said), how do you know where to start. I can set all of those settings at the upper end but how do you know which to start ratcheting down first, etc.? Seems a little random if you're trying to figure out where a problem exists.

    I tend to be pretty methodical in my processes and especially if a problem needs to be solved. I've been known to push the limits a bit and take some risks but it helps to have a process that I understand and/or can learn of course.


    Thanks again for helping out.

  8. #28
    Lsdmeasap's Avatar
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    Default Re: Stable E8400 OC - stock voltages

    Na, no need to start a new thread at all. I was just letting you know why I had been so late to reply to you was all.

    Sorry about that, I just assume people will play around I guess

    You would start by lowering tRD (Static tRead) first, then once you have that as low as you can get it, and do not want to push voltages anymore or tweak/try lower voltages anymore to try to get it to it's lowest then you would do the rest in this order >>>

    tRRD
    tRFC
    tWTR
    tWR

  9. #29

    Default Re: Stable E8400 OC - stock voltages

    Quote Originally Posted by Lsdmeasap View Post
    Na, no need to start a new thread at all. I was just letting you know why I had been so late to reply to you was all.

    Sorry about that, I just assume people will play around I guess

    You would start by lowering tRD (Static tRead) first, then once you have that as low as you can get it, and do not want to push voltages anymore or tweak/try lower voltages anymore to try to get it to it's lowest then you would do the rest in this order >>>

    tRRD
    tRFC
    tWTR
    tWR
    So start with tRD first. Start with the top setting (3-4, so 4). Idea to get to the lowest setting where the PC/Windows works fine. Correct. Then does this with the next setting and so on. I'm not sure I'm clear as there are various voltage settings in that list to tweak.

    Sorry, just being careful. I tend to be rather black and white about some things.

  10. #30
    Lsdmeasap's Avatar
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    Default Re: Stable E8400 OC - stock voltages

    Yeap tRD (Static tRead Value) first. Did you read the memory sticky I posted, it explains what each one is.

    Yeap, start with the higher values, then slowely work your way down one at a time. You can test with "If windows will boot" kinda method but after a few I would test with memtest86+ for some quick single test runs as you start to get them all low.

    I usually will run memtest86+ test #2 and #5 for about 20 minutes each or so for a quick check once I think I am getting down there. Then after I think I have them all low as can go and still stable I will run 5-10 passes on memtest86+ and then a few hours on test #5

    Voltages is a whole other beast, and that can only be found out by you thru trial and error what works and what does not.

    MCH Voltage I would set higher until you are done with tRD tweaking as this one is the most finicky, you may find you need a lower voltage to be stable as opposed to a higher one. But the general area would be where you have it now if you know that is already stable

    And really until you are done with it all cause you dont want to lower it after tRD tweaking then need to raise it again due to some other setting, or have it low causing you to think some other setting is failing because it is to low when it is really the voltages that are too low

    So you want them all really on the higher side until you are set on what you want for settings, then you can try to lower them all a bit starting with Dram voltage, then MCH, then Vtt, then Vcore

    Just get in there and start playing around, you can only harm your PC with extreme voltages, something we have not discussed at all here so you will be fine. Incorrect timings will only fail memtest or cause lower benchmarks, you cannot hurt your board or memory with incorrect timings

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