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Thread: UD3P+8500 Over 4.1ghz is it posbile?




  1. #1
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    Default UD3P+8500 Over 4.1ghz is it posbile?

    Hey guys, i need advices, i`m very stressed with my settings... Some days ago i was using 800x5 very stable but no matter what i do i wasn`t able to rise the fsb to 505. And i decided to reduce the fsb and rise the multi, ok. And now i`m on 490x8.5 very stable as well. So my problem is no matter what i do i can get blend stable at any FSB over 491, ORTHOS fails and the computer restart after few minutes... Is there some limit for clock because i realize that i can`t go over 4.2ghz on blend test, even on lower FSB and high multi like 467x9. Well, i hope someone can figure out what is my problem. I had tested the whole thing with 3 sets of different memory (OCZ, Mushikin, Crucial Ballistix).

    Code:
    ******Gigabyte EP45 UD3P******
    
    E8500 495 X 8.5 4207MHz BIOS F7
    
    Robust Graphics Booster.........................[ Auto     ] 
    CPU Clock Ratio.................................[ 8        ] 
    Fine CPU Clock Ratio............................[ 0.5        ] 
    CPU Frequency 4.0GHz...........................[ 495 x 8.5  ]
    
    ******Clock Chip Control******
    
    CPU Host Clock Control..........................[ Enabled  ] 
    CPU Host Frequency (Mhz)........................[ 495      ] 
    PCI Express Frequency (Mhz).....................[ 103      ] Best so far (Tested 99-104)
    C.I.A 2 ..................................................[Disabled] 
    
    ******Advanced Clock Control******
    
    CPU Clock Drive.................................[ 700mv   ] Tested 800mv
    PCI Express Clock Drive.........................[ 900mv   ] 
    CPU Clock Skew..................................[ 0ps      ] Tested 0-50ps
    MCH Clock Skew..................................[ 0ps     ] Tested 0-150ps
    
    ******DRAM Performance Control******
    
    Performance Enhance .............................[Standard] 
    Extreme Memory Profile (XMP)....................[ Disabled ] 
    (G) MCH Frequency Latch.........................[ 400MHz   ] 
    System Memory Multipler.........................[ 2.00D    ] 
    Memory Frequency 1066...........................[ 990     ] 
    DRAM Timing Selectable..........................[ Manual   ] 
    
    CAS Latency Time................................[ 5        ] 
    tRCD............................................[ 5        ] 
    tRP.............................................[ 5        ] 
    tRAS............................................[ 15       ] 
    
    ******Advanced Timing Control******
    
    tRRD............................................[ 4    ] Auto
    tWTR............................................[ 4     ] Auto
    tWR.............................................[ 8    ] Auto
    tRFC............................................[ 68       ] Auto
    tRTP............................................[ 4     ] Auto
    Command Rate (cmd)..............................[ 2T     ] 
    
    ******Channel A Timing Settings******     
    
    Static tRead Value        [ 11 ] ................[ 9        ] 
    tRD Phase0 Adjustment     [ 0 ] ................[ Auto     ]
    tRD Phase1 Adjustment     [ 0 ] ................[ Auto     ]
    tRD Phase2 Adjustment     [ 0 ] ................[ Auto     ]
    tRD Phase3 Adjustment     [ 0 ] ................[ Auto     ] 
    
    tRD 2rd (Differnt Rank)   [ 6 ] ................[ Auto     ]
    tWR 2wr (Differnt Rank)   [ 6 ] ................[ Auto     ] 
    tWR 2rd (Differnt Rank)   [ 5 ] ................[ Auto     ] 
    tRD 2wr (Same/Difft Rank) [ 8 ] ................[ Auto     ] 
    
    Dimm 1 Clock Skew Control.......................[ Auto     ] 
    Dimm 2 Clock Skew Control.......................[ Auto     ] 
    DDR Write Training..............................[ Auto     ] 
    
    ******Channel A Driving Settings****** 
    
    Drive Strength Profile..........................[ Auto     ] 
    Data Driving Pull Up Level......................[ Auto     ] 
    cmd Driving Pull Up Level.......................[ Auto     ] 
    ctrl Driving Pull Up Level......................[ Auto     ]
    clk Driving Pull Up Level.......................[ Auto     ]
    
    Data Driving Pull Down Level....................[ Auto     ] 
    cmd Driving Pull Down Level.....................[ Auto     ] 
    ctrl Driving Pull Down Level....................[ Auto     ] 
    clk Driving Pull Down Level.....................[ Auto     ]
    
    ******Channel B Timing Settings******     
    
    Static tRead Value        [ 11 ] ................[ 9        ] 
    tRD Phase0 Adjustment     [ 0 ] ................[ Auto     ]
    tRD Phase1 Adjustment     [ 0 ] ................[ Auto     ]
    tRD Phase2 Adjustment     [ 0 ] ................[ Auto     ]
    tRD Phase3 Adjustment     [ 0 ] ................[ Auto     ] 
    
    tRD 2rd (Differnt Rank)   [ 6 ] ................[ Auto     ]
    tWR 2wr (Differnt Rank)   [ 6 ] ................[ Auto     ] 
    tWR 2rd (Differnt Rank)   [ 5 ] ................[ Auto     ] 
    tRD 2wr (Same/Difft Rank) [ 8 ] ................[ Auto     ] 
    
    Dimm 1 Clock Skew Control.......................[ Auto     ] 
    Dimm 2 Clock Skew Control.......................[ Auto     ] 
    DDR Write Training..............................[ Auto     ] 
    
    ******Channel B Driving Settings****** 
    
    Drive Strength Profile..........................[ Auto     ] 
    Data Driving Pull Up Level......................[ Auto     ] 
    cmd Driving Pull Up Level.......................[ Auto     ] 
    ctrl Driving Pull Up Level......................[ Auto     ]
    clk Driving Pull Up Level.......................[ Auto     ]
    
    Data Driving Pull Down Level....................[ Auto     ] 
    cmd Driving Pull Down Level.....................[ Auto     ] 
    ctrl Driving Pull Down Level....................[ Auto     ] 
    clk Driving Pull Down Level.....................[ Auto     ]
    
    ******Motherboard Voltage Control******
    
    Load-Line Calibration [Enabled] 
    CPU Vcore         [ 1.25 ]...................[ 1.39375  ] 
    CPU Termination   [ 1.20    ]...................[ 1.30     ]
    CPU PLL           [ 1.50    ]...................[ 1.59   ]
    CPU Reference     [ 0.760   ]...................[ 0.878   ] ET6 Show 0.815
    
    MCH Core          [1.1      ]...................[ 1.22    ]  1.20 doesn`t boot, and tested 1.22-1.50
    MCH Reference     [0.760    ]...................[ 0.743   ] ET6 Show 0.68 Tested 0.68-0.76
    MCH/DRAM Refernce [0.900    ]...................[ Normal   ] 
    ICH I/O           [1.500    ]...................[ 1.570   ] 
    ICH Core          [1.100    ]...................[ 1.200   ] 
    
    DRAM Voltage      [1.800    ]...................[ 2.020    ] Tested 2.0-2.2
    DRAM Termination  [0.900    ]...................[ Normal   ] 
    Channel A Ref     [0.900    ]...................[ Normal   ] 
    Channel B Ref     [0.900    ]...................[ Normal   ]  
    
    ******Advanced BIOS Features******
    
    Limit CPUID Max to 3............................[ Disabled ] 
    No-Execute memory Protect.......................[ Enabled ]  
    CPU Enhance Halt (CIE)..........................[ Disabled ]  
    C2/C2E State Support............................[ Disabled ]  
    C4/C4E State Support............................[ Disabled ] 
    CPU Thermal Monitor.............................[ Enabled ] 
    CPU EIST Function...............................[ Disabled ] 
    Virtualization Technology.......................[ Enabled ]
    Whats wrong??? Why i can`t pass over 4.1 ghz???

    EDIT: Something curious... With MCH core voltage at 1.22 i get error on ORTHOS, like "the result was 0.5 expected 0.4..." and any voltage above that the computer restart without BSOD just restart.
    Last edited by bius; 03-11-2009 at 05:45 AM.
    Intel I5 4690K 4.2GHZ
    Gigabyte Z97MX Gaming 5
    2x8GB gSkill DDR3 1600Mhz
    1x SSD Sandisk Extreme II 240GB
    1x Seagate 1000GB (DATA)
    1x Samsung 750GB (DATA)
    MSI Geforce GTX 960 2GB
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    Windows 7 64bits

  2. #2
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    Default Re: UD3P+8500 Over 4.1ghz is it posbile?

    Hm, for a dual core I would disable loadline calibaration but increase CPU VCore so that the CPU-Z readings under load are the same as before. How much "real" voltage are you getting with your curretn settings?
    Also try small FFTs in prime, if this fails more quickly then blend then your problem is the CPU, if blend fails mroe quickly then it's the RAM.


  3. #3
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    Default Re: UD3P+8500 Over 4.1ghz is it posbile?

    Thanks for reply, i forgot to say. i pass totally stable at small ftt even at 500x8.5 but after 492x8.5 blend test fails after 3min, and the curious is the computer dont show the BSOD it just restart... and i thought maybe is low voltage, but even with high voltages on memory and on MCH core i cant pass on blend test thats very strange... and i thought agian maybe is the timmings but i ran memtest on current settings and no errros found...

    my real voltage is 1.36 load and if i disable LCC i need rise my vcore too much to get stable again.
    Intel I5 4690K 4.2GHZ
    Gigabyte Z97MX Gaming 5
    2x8GB gSkill DDR3 1600Mhz
    1x SSD Sandisk Extreme II 240GB
    1x Seagate 1000GB (DATA)
    1x Samsung 750GB (DATA)
    MSI Geforce GTX 960 2GB
    Phanteks
    Seaconic Modular 620W
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    Windows 7 64bits

  4. #4
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    Default Re: UD3P+8500 Over 4.1ghz is it posbile?

    There is nothing like "too much" in BIOS. Forget the setting in the BIOS, all that matters is the "real" value in CPU-Z. You're not "safer" with a lower VCore setting in BIOS, rather on the contrary, you have no VDroop at all between Idle and laod which is a bad thing, VCore oftene ven icnreases udner load, which is definitely not healthy for the CPU.

    If Blend fails but Small FFTs passes that points towards the RAM being the problem. What does hardware Monitor or Everest say the "real" RAM voltage is? Maybe your board undervolts the RAM, I know mine does by about 0.02V, yours may undervolt even more. Do you have a multimeter to measure the real "real" ( ;) ) voltage?
    Check this to find out where the measuring points are. i know this is an UD3 not an UD3P but the layout is identical in the DIMM & CPU area.


  5. #5
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    Default Re: UD3P+8500 Over 4.1ghz is it posbile?

    My board undervolt 0.02 volts as well. Now everest report 2.08 volts. And if the problem is voltage i could get trough to the test on 2.2 volts but i already tested with that voltage and not helped at all. And i had tested with 3 sets of memory and none of them worked out...

    About the vcore and LLC on or off. i will give a try with LLC of increasing vcore, but i`m curisous about that part too, i saw many pictures and templates with low vocre hitting high fsb, and my chip is so bad to need so high voltage to get 4.16ghz stable???

    Well, let me try...i will back to report the results.

    In other forum i read that the MCH ref should be 0.633 of MCH core, is it right?
    Intel I5 4690K 4.2GHZ
    Gigabyte Z97MX Gaming 5
    2x8GB gSkill DDR3 1600Mhz
    1x SSD Sandisk Extreme II 240GB
    1x Seagate 1000GB (DATA)
    1x Samsung 750GB (DATA)
    MSI Geforce GTX 960 2GB
    Phanteks
    Seaconic Modular 620W
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    Windows 7 64bits

  6. #6
    kick's Avatar
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    Default Re: UD3P+8500 Over 4.1ghz is it posbile?

    Im interested in ,thinking of buying the type of crucial memory you have now(is it the 2.0v type tho?http://www.crucial.com/eu/store/part...KIT12864AA106A
    Since you also seem to be trying various multipliers on your cpu: Id be happy to see you get a stable o/c at 8xcpu to 4.24Ghz.(cos that would mean) 530 fsb.
    (selfish aint I )
    I was checking .. not for 8500 in particular yday and saw this review 4.25Ghz with around the intel 1.46 max volt.
    Intel E8500 Review & Overclocking Analysis - Page 12 - Overclocking & Conclusion
    Im sure others have blasted up to higher speeds on air on newer boards etc, but might be of some use.
    Most of my settings that arent auto are in my sig.
    Well actually there are a few differences.I use 2:00B multiplier
    I dont use ET6,I generally have llc on,I use turbo on the performance enhance for memory because it makes adjustment using memset easier.
    I have used standard too and lots of different memory timings but it actually doesnt make much difference.Doesnt increase my fsb.
    Ive also adjusted all the ref voltages,played around with pll etc,the only thing I havent explored fully is the driver strength profiles in advanced memory timings,might try all of them not just 2 before i finally order more memory.
    Or just see how you get on
    ,
    The only thing that really does is exponential memory voltage increase.505 is 2.28 (.02-.03vdrop when running).510 2.32v 1.29v when running . I did a couple of hrs at 510 but thats not really enough to call it stable and volts are too high anyway.I also had to adjust tREF with memset at that speed for testing.

    Thats just me tho.
    having a different cpu and memory to me the figures may be of no use at all:(.
    The voltages in my sig are what I enter in bios.
    The 1.38 for the cpu v are the higher and lower 1.38 values in bios and yes I have "tested them down" they were higher originally.
    Last edited by kick; 03-09-2009 at 01:14 AM.
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

  7. #7
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    Default Re: UD3P+8500 Over 4.1ghz is it posbile?

    Yeah, i come back with some results. And not interesting. Leaving LLC Off i couldn`t get pass on small FTT within few minutes with 1.4125 vcore (load = 1.344 - 1.36 and IDLE = 1.38) (495x8.5) even rising VTT to 1.34 and PLL to 1.61 didn`t work out.

    So, for now i will leave my LLC On with 1.39375 vcore (load = 1.36 and IDLE = 1.36) because seems more efficient and less dangerous once i have less voltage on IDLE

    And kick, i am planning get stable at 500x8.5 for me is my goal. But i can pass only on small ftt test, i dont know what change any more to get blend stable...

    Crucial so far is the best memory i had test
    Intel I5 4690K 4.2GHZ
    Gigabyte Z97MX Gaming 5
    2x8GB gSkill DDR3 1600Mhz
    1x SSD Sandisk Extreme II 240GB
    1x Seagate 1000GB (DATA)
    1x Samsung 750GB (DATA)
    MSI Geforce GTX 960 2GB
    Phanteks
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    Windows 7 64bits

  8. #8
    kick's Avatar
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    Default Re: UD3P+8500 Over 4.1ghz is it posbile?

    Have you tried all the memory you have to see what it will do off the 2:00 multipliers ,just to be sure 2.4 multiplier,2.6 etc?
    If it isnt reaching good speeds when the cpu is unstressed it wont when on 1:1.Mine wont anyway but its only 800 rated.
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

  9. #9
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    Default Re: UD3P+8500 Over 4.1ghz is it posbile?

    but with my current FSB is more difficult set 2:4 divider...memory will run a 1176!
    Intel I5 4690K 4.2GHZ
    Gigabyte Z97MX Gaming 5
    2x8GB gSkill DDR3 1600Mhz
    1x SSD Sandisk Extreme II 240GB
    1x Seagate 1000GB (DATA)
    1x Samsung 750GB (DATA)
    MSI Geforce GTX 960 2GB
    Phanteks
    Seaconic Modular 620W
    Aerocool Dead Silence
    Windows 7 64bits

  10. #10
    Lsdmeasap's Avatar
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    Default Re: UD3P+8500 Over 4.1ghz is it posbile?

    Quote Originally Posted by bius View Post

    In other forum i read that the MCH ref should be 0.633 of MCH core, is it right?

    NO, MCH Ref is derived from Vtt (Termination Voltage) and not from MCH Core as you have described. And I would suggest you try values between .68-.73 %, see my signature for how to properly setup MCH Ref and some explanations about it

    Can you please post a screenshot of Memset so we can see what you are getting for all those Autp's you are using for your memory? Thanks

    And also, I would like to know for sure which set of ram you are using that you want help with. I see you mentioned three sets, so just wanted to be sure which you are using now as it matters in many aspects. A link or Model # would also be good to have to be sure we are all looking at the same things

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