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Thread: 996587 at 4-4-4-12




  1. #1
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    Default 996587 at 4-4-4-12

    Hi,

    Trying to get my 996587 to run 4-4-4-12. Would 800 @ 4-4-4-12 outperform 1000 @ looser timings? I'm wondering if its safe to run my EP45-DS3 at 500FSB prolonged?

    I have a EP45-DS3 F9 and E8400.

    These are my current settings, 826 @ 5-4-4-12, Auto Voltage (1.88V)

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Auto]
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio.....................: N/A
    CPU Frequency ...........................: 3.3GHz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: [413]
    PCI Express Frequency (Mhz) .........:Auto

    C.I.A.2 .................................:[Disabled]


    Advanced Clock Control
    CPU Clock Drive...........................:800
    PCI Express Clock Drive.................:900
    CPU Clock Skew (ps)....................: 0
    MCH Clock Skew (ps)...................: 0


    DRAM Performance Control
    Performance Enhance...................: [Extreme]
    Extreme Memory Profile (X.M.P.).....: Auto
    (G)MCH Frequency Latch...............: 400MHz
    System Memory Multiplier ..............: 2.00
    Memory Frequency (Mhz) ..............: 826
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time............................. 5
    tRCD .............................................. 4
    tRP'.............................................. ... 4
    tRAS.............................................. .. 12

    Advanced Timing Control
    tRRD...........................................3 [Auto]
    tWTR.......................................... 3 [Auto]
    tWR............................................6 [Auto]
    tRFC...........................................52 [Auto]
    tRTP...........................................3 [Auto]
    Command Rate (CMD) ....................:2 [Auto]

    Channel A
    Static tRead Value............................:Auto (9)
    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
    Dimm2 Clock Skew Control...............:Auto

    Channel B
    Static tRead Value..........................:Auto (9)
    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
    Dimm2 Clock Skew Control...............:Auto

    Motherboard Voltage Control

    CPU
    CPU Vcore….……….........................: Normal
    CPU Termination…..... 1.200V*.......: Auto
    CPU PLL…………………....1.500V*.......: Auto
    CPU Referen.…………....0.755V*.......: Auto
    CPU Reference2………,,0.800V*.......: Auto

    MCH/ICH
    MCH Core…………….....1.100V...........:Auto
    MCH Reference….…….0.800V...........:Auto
    MCH/DRAM Ref.…......0.900V...........:Auto
    ICH I/O……………….....1.550V............:Auto
    ICH Core…………...……1.100V............:Auto

    DRAM
    DRAM Voltage ……....1.800V............: Auto

    DRAM Termination .…0.900V............: Auto
    Channel A Reference 0.900V............: Auto
    Channel B Reference 0.900V............: Auto

    Where shall i start?

  2. #2
    Lsdmeasap's Avatar
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    Default Re: 996587 at 4-4-4-12

    I am not sure 1000 at loose timings will outperform 800 with tight timings, It all depends on what strap and tRD you run, and your FSB and advanced timings. I think it may be close, but faster FSB/Ram will likely be best.

    Those sticks are warrantied up to 2.1V, and I would imagine you need at least 2.0V to do 444-12 since that is better then the rated speeds. Auto for all those settings and performance enhance Extreme, and no MCH voltage added is likely your problem, but honestly with 2x2 you may only be able to get 444-12 with those sticks up to maybe 850MHz. I do think 900 @ 544-12 would be better then 1000 @ 555-15, but only your tests could let you know.

    500 FSB would be fine for everyday use. I use my E3110 at 450 FSB so ram is 900 1:1 and it performs great.

    I guess the main thing I would need to know before making some full suggested settings for you is what CPU speed do you want to run for sure, then I could provide you with a few tables of settings. I can say if you can get 333 MCH latch to boot at what speed you want, it will be better.

    For now I can suggest some ranges for you, that way you can play with things yourself. So this would be a General 800-1000+ range of settings. >>>>

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Fast]
    CPU Clock Ratio ..........................: 8 (Can be 9, I assume you know that, just wonder though after seeing your N/A below)

    Fine CPU Clock Ratio.....................: N/A << Why N/A? Your CPU has this, If you just changed CPU's you need to load optimized defaults!!!!

    CPU Frequency ...........................: 3.3GHz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: [413]
    PCI Express Frequency (Mhz) .........:100 << Please always set

    C.I.A.2 .................................:[Disabled]


    Advanced Clock Control
    CPU Clock Drive...........................:800
    PCI Express Clock Drive.................:900
    CPU Clock Skew (ps)....................: 0
    MCH Clock Skew (ps)...................: 0


    DRAM Performance Control
    Performance Enhance...................: [Standard]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 400MHz
    System Memory Multiplier ..............: 2.00
    Memory Frequency (Mhz) ..............: 826
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time............................. 5
    tRCD .............................................. 4
    tRP'.............................................. ... 4
    tRAS.............................................. .. 12

    Advanced Timing Control
    tRRD...........................................3-5
    tWTR.......................................... 3-6 (May need 12 to boot thru first time setting manually)

    tWR............................................4-6 (May need 14 to boot thru first time setting manually)

    tRFC...........................................(46-50) 52-62
    tRTP...........................................3-5
    Command Rate (CMD) ....................:2

    Channel A
    Static tRead Value............................:(6-7-8 for 333 MCH) (8-9-10 for 400 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
    Dimm2 Clock Skew Control...............:Auto

    Channel B
    Static tRead Value..........................:(6-7-8 for 333 MCH) (8-9-10 for 400 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
    Dimm2 Clock Skew Control...............:Auto

    Motherboard Voltage Control

    CPU
    CPU Vcore….……….........................: Normal <<< This will for sure likely need to be set manually as you overclock, keep in mind your board has about a .6 vdrop from the BIOS to windows. So what you set will be +/- .6 once windows loads

    CPU Termination…..... 1.200V*.......: 1.15-1.35
    CPU PLL…………………....1.500V*.......: << Please set at what you see for auto 1.5-1.6 as Auto tends to overvolt this too much

    CPU Referen.…………....0.755V*.......: Auto
    CPU Reference2………,,0.800V*.......: Auto

    MCH/ICH
    MCH Core…………….....1.100V...........:1.2-1.3
    MCH Reference….…….0.800V...........:Auto
    MCH/DRAM Ref.…......0.900V...........:Auto
    ICH I/O……………….....1.550V............:1.55-1.6
    ICH Core…………...……1.100V............:1.15-1.3

    DRAM
    DRAM Voltage ……....1.800V............: 2.0-2.1 (2.1 is not likely needed until 900+ Ram speed)

  3. #3
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    Default Re: 996587 at 4-4-4-12

    I would like to run my CPU in the region of ~3.3GHz as it only has a stock cooler right now...

    I'm still not sure what FSB to run as im not sure if (FSB x Ratio) 410x2.4 or 490x2.0 would be better. Is running 1:1 better?

    How about 333 vs 400 Latch? Any differences other than the ratios available?

  4. #4

    Default Re: 996587 at 4-4-4-12

    1:1 ratio. It's not really "better" in terms of performance, but it is more stable.

    But don't hold your ram back just to say "Hey, I've got 1:1 ratio"

    Hope this helps.
    Nothing is impossible... Just mathematically improbable..

    "The best defense against computer viruses might not even be antivirus software, but a crafty combination of education and common sense."

    Intel Pentium e5200 @ 3.8HZ (380 X 10)
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  5. #5
    Lsdmeasap's Avatar
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    Default Re: 996587 at 4-4-4-12

    I agree 1:1 Is overrated and a thing of the past as far as Better goes, this has been tested and proven many times.

    Here is a the latest thread I have seen on this with much testing results shown >>>
    The 1:1 myth that just won't die. - EXTREME Overclocking Forums

  6. #6
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    Default Re: 996587 at 4-4-4-12

    from my experience, i would say that you should be able to run those DIMMs at around 5-5-4-13/15 at 950-1000MHz and get better performance than at 4-4-4-12 at 800MHz... this really depends on your advanced timings, especially your tRD (Static tRead) and tRRD (Act to Act Delay)

    EDIT:btw, your primary timings are really overrated... its the advanced tmings that really determine your memory bandwidth (thats why they're for "Advanced" users)
    Last edited by BongWizard; 10-23-2008 at 09:22 AM.
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  7. #7
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    Default Re: 996587 at 4-4-4-12

    Alright i would like to run my CPU at ~3.3GHz and rams at around 950-1000...

    Where should i start? I'm not too sure what kind of FSB i can use too...

  8. #8

    Default Re: 996587 at 4-4-4-12

    You should start by getting your CPU to 3.3Ghz. When that's complete, you can start increasing your RAM. Everything is gradual. When your computer won't boot because your RAM is too high, up the DRAM voltage.

    Please monitor your temps when upping the voltage.

    Hope this helps.
    Nothing is impossible... Just mathematically improbable..

    "The best defense against computer viruses might not even be antivirus software, but a crafty combination of education and common sense."

    Intel Pentium e5200 @ 3.8HZ (380 X 10)
    Giga-byte GA-EP35-DS3L
    Mushkin 4GB DDR2 800 @ 760MHZ 4-4-3-10 @ +0.3v
    SAPPHIRE 100245L Radeon HD 4850 512MB 256-bit GDDR3 PCI Express 2.0 x16
    Seagate 160GB @ 7200rpm
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  9. #9
    Lsdmeasap's Avatar
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    Default Re: 996587 at 4-4-4-12

    You still need help with 3.3? If so, post your full settings so I can see where you are and I will advise. As for MCH latch, 333 is better for performance, but after certain speeds it may not be stable. I think you can use it if you only want 3.3.

    You never answered me about your Fine Clock Ratio Statement?

  10. #10
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    Default Re: 996587 at 4-4-4-12

    This is where i'm at right now. Previously i was running at 964 @ 5-5-5-18 but the computer locks up while gaming so i reverted to the last known stable...

    I would prefer to run 950-1000 since it boosts my Ram Read speeds by 800mb/s.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Auto]
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio.....................: 0.0

    CPU Frequency ...........................: 3.28GHz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: [410]
    PCI Express Frequency (Mhz) .........:100
    C.I.A.2 .................................:[Disabled]


    Advanced Clock Control
    CPU Clock Drive...........................:800
    PCI Express Clock Drive.................:900
    CPU Clock Skew (ps)....................: 0
    MCH Clock Skew (ps)...................: 0


    DRAM Performance Control
    Performance Enhance...................: [Standard]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 333MHz
    System Memory Multiplier ..............: 2.00
    Memory Frequency (Mhz) ..............: 820
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time............................. 5
    tRCD .............................................. 4
    tRP'.............................................. ... 4
    tRAS.............................................. .. 12

    Advanced Timing Control
    tRRD...........................................3
    tWTR..........................................11
    tWR............................................14
    tRFC...........................................52
    tRTP...........................................5
    Command Rate (CMD) ....................:2

    Channel A
    Static tRead Value............................:10
    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
    Dimm2 Clock Skew Control...............:Auto

    Channel B
    Static tRead Value..........................:10
    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
    Dimm2 Clock Skew Control...............:Auto

    Motherboard Voltage Control

    CPU
    CPU Vcore….……….........................: Normal (because auto gives me 1.33V and i think that's way too much for 3.28GHz)
    CPU Termination…..... 1.200V*.......: Normal
    CPU PLL…………………....1.500V*.......: Normal

    CPU Referen.…………....0.755V*.......: Normal
    CPU Reference2………,,0.800V*.......: Normal

    MCH/ICH
    MCH Core…………….....1.100V...........:Auto
    MCH Reference….…….0.800V...........:Auto
    MCH/DRAM Ref.…......0.900V...........:Auto
    ICH I/O……………….....1.550V............:Auto
    ICH Core…………...……1.100V............:Don't have this

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

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