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Thread: EP45-UD3P / Q9300 Help with getting 3.4Ghz+ Stable




  1. #11
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    Default Re: EP45-UD3P / Q9300 Help with getting 3.4Ghz+ Stable

    Ok raised ICH I/O to 1.57v, ICH Core to 1.2v, MCH Core to 1.26v, CPU PLL to 1.57v, and CPU vCore to 1.29375v and it is now 3.45Ghz stable with max temp of 63c, idling at 38c


    (Poor cores 0&1 have stuck thermal sensors)


    1- Is it OK to leave Reference voltages to AUTO?
    2- My ram is spec'd for 2.2v, I read that the DRAM Termination voltage needs to be half of the DRAM voltage... thoughts?


    I will next be trying 463x7.5=3.472GHz with a 1111Mhz RAM clock. I think the highest I will go temperature wise is 70c.
    Last edited by SeanDude05; 06-01-2011 at 10:43 AM.
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  2. #12
    Chike is offline Senior Member
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    Default Re: EP45-UD3P / Q9300 Help with getting 3.4Ghz+ Stable

    References should be left auto unless they are need to be changed.
    Auto takes care of DRAM Termination.

  3. #13
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    Default Re: EP45-UD3P / Q9300 Help with getting 3.4Ghz+ Stable

    463x7.5 was stable all night. Pushed it hard this morning and now it is having trouble near 467x7.5 - this is the FSB I want to stay at, but it isn't quite stable and I'm not sure what to tweak to get her there.


    Thats where I am at right now with voltages. tRD=11. trying to run 467x7.5 *2.40B, but IBT Isn't stable. Sometimes it will complete 10 tests, other times it will do 1 and then destabilize. Will rarely BSOD, but does happen.

    Temps idle at 38c, load at 63c

    Im at a loss of where I should go next.

    Code:
    Robust Graphics Booster ...............: [Auto]
    CPU Clock Ratio .......................: [   7]
    Fine CPU Clock Ratio...................:  +0.5
    CPU Frequency .........................: 3.50GHz
     
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control.................: [Enabled] 
    CPU Host Frequency (Mhz) ..............:  467
    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 (ps)....................:   0ps
    MCH Clock Skew (ps)....................:   0ps
     
    DRAM Performance Control
    Performance Enhance....................: [STANDARD]
    Extreme Memory Profile (X.M.P.)........: [Disabled]
    (G)MCH Frequency Latch.................:  333
    System Memory Multiplier ..............:  2.40D 
    Memory Frequency (Mhz) ................:  1120
    DRAM Timing Selectable ................: [Manual]
     
    Standard Timing Control
    CAS Latency Time.......................: 5
    tRCD ..................................: 6
    tRP'...................................: 6
    tRAS...................................: 18
     
    Advanced Timing Control
    tRRD...................................: 3 [Auto]
    tWTR...................................: 3 [Auto]
    tWR....................................: 6 [Auto]
    tRFC...................................: 54 [Auto]
    tRTP...................................: 3 [Auto]
    Command Rate (CMD) ....................: 0 [Auto]
     
    Driving Strength Profiles
    Driving Strength ......................: [Auto]
     
    Channel A
    Static tRead Value.....................:  11  [Auto]
    tRD Phase0 Adjustment..................:  6 [Auto]
    tRD Phase1 Adjustment..................:  6 [Auto]
    tRD Phase2 Adjustment .................:  5 [Auto]
    tRD Phase3 Adjustment..................:  8 [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]
    DDR Write Training.....................: [Auto]
     
    Channel B
    Static tRead Value.....................:  11  [Auto]
    tRD Phase0 Adjustment..................:  6 [Auto]
    tRD Phase1 Adjustment..................:  6 [Auto]
    tRD Phase2 Adjustment .................:  5 [Auto]
    tRD Phase3 Adjustment..................:  8 [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]
    DDR Write Training.....................: [Auto]
     
    Motherboard Voltage Control
    Voltage Type...........................: [Manual]
     
    CPU---------------------Normal-----------Current
    Load Line Calibration..................: [Disabled]
    CPU Vcore...............1.20000V.......: 1.3000V
    CPU Termination.........1.200V.........: 1.320V
    CPU PLL.................1.500V.........: 1.570V
    CPU Reference...........0.760V.........: [Auto]  
     
    MCH/ICH
    MCH Core................1.100V.........: 1.260V
    MCH Reference...........0.760V.........: [Auto]
    MCH/DRAM Reference......0.900V.........: [Auto]
    ICH I/O.................1.500V.........: 1.570V
    ICH Core................1.100V.........: 1.200V
     
    DRAM
    DRAM Voltage............1.800V.........: 2.200V
    DRAM Termination........0.900V.........: [Auto]
    Channel A Reference.....0.900V.........: [Auto]
    Channel B Reference.....0.900V.........: [Auto]
    Last edited by SeanDude05; 06-01-2011 at 10:07 PM.
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  4. #14
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    Default Re: EP45-UD3P / Q9300 Help with getting 3.4Ghz+ Stable

    any ideas on how to get 467 stable using the above post?
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  5. #15
    Chike is offline Senior Member
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    Default Re: EP45-UD3P / Q9300 Help with getting 3.4Ghz+ Stable

    You are stretching both CPU and RAM, you must give up one of them.
    Get a stable CPU OC then you can play with the RAM.

  6. #16
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    Default Re: EP45-UD3P / Q9300 Help with getting 3.4Ghz+ Stable

    the ram is spec'd for 1150 and it is at 1120 with 467. I don't see why it can't do what it was sold to do.
    OCZ DDR2 PC2-9200 Reaper HPC Edition - OCZ

    thanks chike. What do you think I should do to try and get 467x7.5 stable?
    Last edited by SeanDude05; 06-02-2011 at 03:33 AM.
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  7. #17
    Chike is offline Senior Member
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    Default Re: EP45-UD3P / Q9300 Help with getting 3.4Ghz+ Stable

    Then try the ram at it's spec, or max possible first.
    2.66Dx432 = 1150, and we know it's not a problem for the CPU. If you find this stable then there are fe things to try.
    What BSODs/errors do you get?

  8. #18
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    Default Re: EP45-UD3P / Q9300 Help with getting 3.4Ghz+ Stable

    I believe it says Hardware failure, but it dumps the file so fast I would need it to BSOD again to see. But 95% of the time it is IBT that errors saying the system is unstable.
    Is it safe to go above 1.300v with a 45nm Quad?
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  9. #19
    Chike is offline Senior Member
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    Default Re: EP45-UD3P / Q9300 Help with getting 3.4Ghz+ Stable

    Safe is what you make it, VID range for 45nm quads is 0.85-1.3625v, and absolute max specs 1.45v (Table 2-2 & 2-3).

    If more vcore does not help:
    Did you try to run memtest86+? Specifically test #5. To run test #5 only press 1, 3, 5, enter, 0.
    If you don't get errors with this test, try lowering VTT down to the point you begin to get errors.
    Now try to change CPU Clock Skew 50-250, if it doesn't improve things or make them worse, set CPU Clock Skew back to zero, and try 50-250 MCH Clock Skew.

    Next step is tweaking MCH/CPU references.
    The references are percent of VTT and scale with it. The default is 0.76 @ 1.2v VTT which is 63.33%.
    Make all changes to the references with VTT set to 1.2v, as follows:
    Set VTT to 1.2v
    Set the reference to it's desired value
    Set VTT back to it's original value (the reference(s) will scale up as you change VTT)

    Try 0.74,0.72,0.70 for MCH reference first, if not better or worse, try 0.8,0.84,0.88.
    Then you can try the same with CPU reference.
    Always change only one setting at a time.

  10. #20
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    Default Re: EP45-UD3P / Q9300 Help with getting 3.4Ghz+ Stable

    and as far as 2.00D, I was told since the q9300 is a 333mhz FSB cpu, to keep it on the 333(B) multis. Also do you think I could pull 5-5-5-15 off? This ram is rated 5-6-6-18@1150mhz
    In your other thread, you were using the D-memory strap with cpu host frequency below 400MHz and that the B-memory strap should be used instead (below 400MHz). Above 400MHz, some find it easier to get their systems stable when using the D-strap.

    My opinion is that chasing high memory speeds is a waste of time, unless you're into bragging rights when running memory benchmark tests. Using 5-5-5-15 memory settings up to 1066 - 1100MHz will probably give you better real world performance than using 5-6-6-18 at 1150MHz or higher. You might be able to use 5-5-4-12 settings with memory speeds up to about 1000MHz.

    With higher cpu speeds, your memory performance will improve, even when you're not using the highest possible memory multiplier. My 8GB of 1066 memory is currently using 4-4-4-10 timings at 874MHz (2x437). My system wasn't stable when using 4-4-4-12 settings at 900MHz. YMMV.

    Your OCZ memory is rated to use up to 2.25 (EVP) volts.

    The general recommendation is that VTT should be at least 0.05 - 0.10 volts lower than Cpu Vcore settings.
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