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Thread: Cool, quiet, fast & sexy - long road to enlightment




  1. #1
    Join Date
    Aug 2008
    Posts
    615

    Default Cool, quiet, fast & sexy - long road to enlightment

    My original thread is here:
    http://forums.tweaktown.com/f69/help...-please-32512/

    I currently have 99% (the remaining 1% is tests I don't know about :)) stable computer (specs are in the signature) and want more. After about two weeks of figuring crap out and testing day and night I settled down on this:

    FSB 500, multiplier 7.5

    Code:
    Load-Line Calibration.................: [Enabled]
    CPU Vcore..............1.25000V.......: [1.25000] 
    CPU Termination........1.200V.........: [1.200]
    CPU PLL................1.500V.........: [1.500] 
    CPU Reference..........0.760V.........: [0.760]
    >>> MCH/ICH
    MCH Core...............1.100V.........: [1.200]
    MCH Reference..........0.760V.........: [0.740] 
    MCH/DRAM Reference.....0.900V.........: [Auto]
    ICH I/O................1.500V.........: [.1570]
    ICH Core...............1.100V.........: [1.200]
    >>> DRAM
    DRAM Voltage...........1.800V.........: [2.000]
    DRAM Termination.......0.900V.........: [Auto]
    Channel A Reference....0.900V.........: [Auto]
    Channel B Reference....0.900V.........: [Auto]
    Will add/fix the numbers when I get home and recheck - wrote this from memory and it might not be exactly what I really run at.

    First thing I would like to do is improving the air circulation in the case.
    I can mount up to three fans in the case - in the middle of the front (1), on top of rear side (2), and on top of the case, near the rear side (3).
    Until now I only had one fan blowing the air out of the case in the 2 slot. It is not enough with the recent changes. I need to figure out right combination of fans.
    The front slot is pretty much useless, I tried to mount a fan there that would suck cooler air into the case, but I could barely feel it does something. Doh.
    Other attempt was just one outtake fan in the 3 slot. The idea was that hot air blows up, so a fan in there would be quite effective, theoretically. Unfortunately not, because the CPU heatsink is mounted in wrong (for this purpose, technically it is right) direction and the temperature went up to unbearable numbers.
    Both slots 2 and 3 used as outtake didn't work too well either (kind of collision I'd say).
    What I currently have is fan in slot 2 (the rear) blowing out and 3 sucking the air in. What I don't like about it is that the fans are very close to each other and the air circulation is far from ideal - at least I'd say. Temperature-wise it's pretty ok. Air is being blown straight on the CPU heatsink and the temperature in load is quite acceptable. The NB is still hot as hell, but it doesn't give me any trouble - I just don't like it in general

    edit: One more thing I dislike is that the intake fan as it is now will result in tons of dust all over the inside of the case over time, which is something I absolutely hate and tend to avoid as much as I can. Some kind of dust filter added comes to mind, but that also lowers the airflow I guess, not to mention it might make the fan unmountable, because the little hooks which hold the fan to the upside of the case are quite small.

    Give me some opinions please.
    When I get past this point, I will attempt some 500+ FSB overclocking :)
    Last edited by Octopuss; 06-30-2009 at 09:32 PM.

  2. #2
    Join Date
    Aug 2008
    Posts
    615

    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    Voltages updated AND I just realized I can boot into Windows with MCH Core at 1.100V. Whoa :-O One more test is it then. Noctua NF-S12B FLX fan after that. Damn tweaking takes so much time!

  3. #3
    Join Date
    Aug 2008
    Posts
    615

    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    After long testing, FINAL stable setup for FSB 500.
    Also bought new fan and will try something in the evening when I get home.

    Code:
    MB Intelligent Tweaker(M.I.T.) 
    ******************************
    Robust Graphics Booster ..............: [Auto]
    CPU Clock Ratio ......................: [7]
    x Fine CPU Clock Ratio................: [+0.5]
    CPU Frequency ........................: [3750]
    
    ********** 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] 
    CPU Clock Drive.......................: [800mV]
    PCI Express Clock Drive...............: [900mV]
    CPU Clock Skew........................: [ ]
    MCH Clock Skew........................: []
    
    ******** DRAM Performance Control ********
    
    Performance Enhance...................: [Turbo]
    Extreme Memory Profile(X.M.P.)........: [Disabled]
    (G)MCH Frequency Latch................: [Auto]
    System Memory Multiplier (SPD)........: [2.00B]
    Memory 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............................ ...: [4]
    x tWTR............................ ...: [4]
    x tWR............................. ...: [3]
    x tRFC...........................  ...: [62]
    x tRTP............................ ...: [4]
    x Command Rate (CMD) .............0...: [2]
    
    >>>>> Channel A+B Timing Settings.......: [Press Enter] 
    x Static tRead Value.............. ...: [10]
    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).......... ...: Auto
    x Twr2wr(Different Rank).......... ...: Auto
    x Twr2rd(Different Rank).......... ...: Auto
    x Trd2wr(Same/Diff Rank).......... ...: 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............: [1066]
    
    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..........Normal...........Current
    -----------------------------------------------
    >>> CPU
    Load-Line Calibration.................: [Enabled]
    CPU Vcore..............1.25000V.......: [1.2500] 
    CPU Termination........1.200V.........: [1.200]
    CPU PLL................1.500V.........: [1.500] 
    CPU Reference..........0.760V.........: [0.760]
    >>> MCH/ICH
    MCH Core...............1.100V.........: [1.100] not kidding
    MCH Reference..........0.760V.........: [0.740] 
    MCH/DRAM Reference.....0.900V.........: [Auto]
    ICH I/O................1.500V.........: [.1570]
    ICH Core...............1.100V.........: [1.100]
    >>> DRAM
    DRAM Voltage...........1.800V.........: [2.000]
    DRAM Termination.......0.900V.........: [Auto]
    Channel A Reference....0.900V.........: [Auto]
    Channel B Reference....0.900V.........: [Auto]
    
    ******** Advanced BIOS Features ********
    
    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]
    Delay For HDD (Secs)..................: [ 0]
    Full Screen LOGO Show.................: [Disabled]
    Init Display First....................: [PEG]
    
    ******** Integrated Peripherals ********
    USB Keyboard Function.................: [Enabled]
    USB Mouse Function....................: [Disabled]
    USB Storage Function..................: [Enabled]

  4. #4
    Join Date
    Aug 2008
    Posts
    615

    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    Ugh,tried to continue past 500, but can't get stable above 503 :D
    Do you think there's any way to squeeze higher FSB values from this?

    Keep in mind I do not want to increase voltages! I believe there's no much room for improvement in this case - but maybe someone more experienced could think of something.
    Thanks!

    Code:
    MB Intelligent Tweaker(M.I.T.) 
    ******************************
    Robust Graphics Booster ..............: [Auto]
    CPU Clock Ratio ......................: [7]
    x Fine CPU Clock Ratio................: [+0.5]
    CPU Frequency ........................: [3770]
    
    ********** 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] 
    CPU Clock Drive.......................: [800mV]
    PCI Express Clock Drive...............: [900mV]
    CPU Clock Skew........................: [ ]
    MCH Clock Skew........................: []
    
    ******** DRAM Performance Control ********
    
    Performance Enhance...................: [Turbo]
    Extreme Memory Profile(X.M.P.)........: [Disabled]
    (G)MCH Frequency Latch................: [Auto]
    System Memory Multiplier (SPD)........: [2.00B]
    Memory 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............................ ...: [4]
    x tWTR............................ ...: [4]
    x tWR............................. ...: [3]
    x tRFC...........................  ...: [62]
    x tRTP............................ ...: [4]
    x Command Rate (CMD) .............0...: [2]
    
    >>>>> Channel A+B Timing Settings.......: [Press Enter] 
    x Static tRead Value.............. ...: [10]
    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).......... ...: Auto
    x Twr2wr(Different Rank).......... ...: Auto
    x Twr2rd(Different Rank).......... ...: Auto
    x Trd2wr(Same/Diff Rank).......... ...: 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............: [1066]
    
    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..........Normal...........Current
    -----------------------------------------------
    >>> CPU
    Load-Line Calibration.................: [Enabled]
    CPU Vcore..............1.25000V.......: [1.2500] 
    CPU Termination........1.200V.........: [1.200]
    CPU PLL................1.500V.........: [1.500] 
    CPU Reference..........0.760V.........: [0.760]
    >>> MCH/ICH
    MCH Core...............1.100V.........: [1.100] not kidding
    MCH Reference..........0.760V.........: [0.740] 
    MCH/DRAM Reference.....0.900V.........: [Auto]
    ICH I/O................1.500V.........: [.1570]
    ICH Core...............1.100V.........: [1.100]
    >>> DRAM
    DRAM Voltage...........1.800V.........: [2.000]
    DRAM Termination.......0.900V.........: [Auto]
    Channel A Reference....0.900V.........: [Auto]
    Channel B Reference....0.900V.........: [Auto]
    
    ******** Advanced BIOS Features ********
    
    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]
    Delay For HDD (Secs)..................: [ 0]
    Full Screen LOGO Show.................: [Disabled]
    Init Display First....................: [PEG]
    
    ******** Integrated Peripherals ********
    USB Keyboard Function.................: [Enabled]
    USB Mouse Function....................: [Disabled]
    USB Storage Function..................: [Enabled]

  5. #5
    Join Date
    Apr 2009
    Location
    J'Habite En Angleterre
    Posts
    2,431

    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    Performance Enhance to Standard while overclocking is always suggested.

    CPU termination may need to be played with, along with another MCH ref change. Increasing these voltages does not result in extra heat or noise, and is necessary at such high FSB speeds. If instability was encountered at different CPU Term values before, it may no longer be the case as settings have changed.

    Only use 1.100V for MCH Core if you've verified 12 hours of Prime Large FFT or a 24 hour Blend test. Otherwise you may find that it's only part stable ie it appears fine for shorter testing times.

    With a 1.2V CPU term, set MCH ref to 0.720V. Now increase CPU Term in increments up to about 1.28V, testing each time. As you have 0.740V set now, try increasing CPU Term first.

    To see how much OC headroom is available at your current Vcore, sey your stable template up and decrease Vcore step by step until you become unstable. If you're unstable after decreasing Vcore by one step for example, then it's unlikely you'll get much higher on your current voltage settings.

    When you get your new noctua fan, I'd recommend either using it on your CPU cooler connected to the 5V Sys_Fan_2 header (no need for an ULNA then) or even a zalman fan mate with a LNA in line with it. This will make the potentiometer able to reduce fan speed even further. As always, some direct air flow compared to none is 100% more, and may give you the ability to use up to 1.3Vcore for the same temps, while adding zero noise. At less than 5V, I'm positive a Noctua fan of any type would make so little noise you wouldn't notice in a closed case. Motor noise at least, wouldn't be audible, just the noise from the (small amount of) air moved.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  6. #6

    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    What kind of stress tests have u run? and how long?

    1.100v MCH Core* is waaay too low for 500fsb...
    Last edited by creamsoda; 07-20-2009 at 06:04 AM.


    Core2Duo E8500 E0 @4.25GHz (500x8.5)
    | Windows 7 RC Build 7100 | Visiontek HD4850 OC 685/1100
    Gigabyte
    GA-EP45T-DS3R | 4Gb (2x2Gb) 1333MHz Patriot DDR3 | 1.14TB (640+500gb) WDC Green
    Antec Earthwatts 500w |
    Antec Nine Hundred
    Screenshots:
    [1][2][3][4][5][6]

  7. #7

    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    I've decided to give it a try as well xD

    I just straight up decreased my MCH core to 1.100v and my computer booted up fine, and I'm currently testing it in Prime95 Large FFT. It has been running for half an hour. I'm gonna see if I can go for 12hrs with this 1.100V

    Wish me luck! :-)


    Core2Duo E8500 E0 @4.25GHz (500x8.5)
    | Windows 7 RC Build 7100 | Visiontek HD4850 OC 685/1100
    Gigabyte
    GA-EP45T-DS3R | 4Gb (2x2Gb) 1333MHz Patriot DDR3 | 1.14TB (640+500gb) WDC Green
    Antec Earthwatts 500w |
    Antec Nine Hundred
    Screenshots:
    [1][2][3][4][5][6]

  8. #8

    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    Ok, I'm gonna conclude that it is indeed possible to run 500fsb on 1.100V MCH core. I just ran a 12hr run of Prime95 Large FFT. It seems pretty stable.



    But this really confuses me. It completely goes against everything I thought I ever knew about high FSB & MCH core voltage. lol..


    Core2Duo E8500 E0 @4.25GHz (500x8.5)
    | Windows 7 RC Build 7100 | Visiontek HD4850 OC 685/1100
    Gigabyte
    GA-EP45T-DS3R | 4Gb (2x2Gb) 1333MHz Patriot DDR3 | 1.14TB (640+500gb) WDC Green
    Antec Earthwatts 500w |
    Antec Nine Hundred
    Screenshots:
    [1][2][3][4][5][6]

  9. #9
    Join Date
    Jun 2009
    Posts
    57

    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    Quote Originally Posted by creamsoda View Post
    But this really confuses me. It completely goes against everything I thought I ever knew about high FSB & MCH core voltage. lol..
    I'm guessing that the generous tRD=10 coupled with moderate Primary DRAM Timings of 5-5-5-15, and the use of the B-strap (vs. D-strap) all contribute to a surprisingly un-stressed vMCH?

    Just a hunch.
    case: Gigabyte 'Triton 180'
    power: Corsair 'HX-620'
    motherboard: Gigabyte 'GA-EP45-UD3P' (rev.1.1, F9)
    cpu: Intel 'e8500' (E0)
    cooling: Xigmatek 'HDT-S1283'
    memory: OCZ 'Reaper' 4x2gb (OCZ2RPR10664GK)
    storage: Western Digital 'Black' (500gb)
    video: EVGA 'GeForce' GTX-260
    display: Samsung 'SyncMaster' 2333sw

  10. #10

    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    tRD is set to 9

    standard timings 6-6-6-18, which is pretty much the norm for 1200MHz memory. (500FSB x 2.40B = 1200MHz)


    Core2Duo E8500 E0 @4.25GHz (500x8.5)
    | Windows 7 RC Build 7100 | Visiontek HD4850 OC 685/1100
    Gigabyte
    GA-EP45T-DS3R | 4Gb (2x2Gb) 1333MHz Patriot DDR3 | 1.14TB (640+500gb) WDC Green
    Antec Earthwatts 500w |
    Antec Nine Hundred
    Screenshots:
    [1][2][3][4][5][6]

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