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Thread: X48 DQ6 E0 E8500 at 4085Mhz




  1. #41
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    Default Re: X48 DQ6 E0 E8500 at 4085Mhz

    2.50A, 1083MHz Ram, 5-5-5-15




    It works, with tRD of 7, but not 6. Best Everest latency yet.
    Last edited by Salty; 09-08-2009 at 04:43 PM.





    CPU
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    i7 950 - DO stepping - Batch #3014A844
    Cooling = EK HF Full Nickel
    - XSPC RX360 - Laing DDC 18W - XSPC Bay Reservoir
    Motherboard = GA-X58A-UD3R Revision 2
    , BIOS Version = Award FC
    Ram = 3x2gig Corsair TR3X6G1600C8D G
    Video = 2 X Palit GTX460 Sonic Platinum 1GB OC sli
    Monitor = 22" LG Flatron W2242T 1680 x 1050 Case = Coolermaster CM690
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  2. #42
    Lsdmeasap's Avatar
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    Default Re: X48 DQ6 E0 E8500 at 4085Mhz

    6 may need some voltage adjustments to allow you to use it, but then again you may not be able to due to your FSB. You may find using 6 easier on B strap though, so try that as well

  3. #43
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    Default Re: X48 DQ6 E0 E8500 at 4085Mhz

    2.66D 1147MHz would not boot. Described earlier.

    Chart of stable overclocks so far:


    So far 1083MHz gives no discernible benefit over 1039MHz, but both give slightly better performances than 866MHz. (See earlier benchtesting for 866/1039 compared)

    1083MHz SuperPi - 1M - 11.404s compared with 1039MHz - 11.544
    Last edited by Salty; 09-08-2009 at 06:39 PM.





    CPU
    =
    i7 950 - DO stepping - Batch #3014A844
    Cooling = EK HF Full Nickel
    - XSPC RX360 - Laing DDC 18W - XSPC Bay Reservoir
    Motherboard = GA-X58A-UD3R Revision 2
    , BIOS Version = Award FC
    Ram = 3x2gig Corsair TR3X6G1600C8D G
    Video = 2 X Palit GTX460 Sonic Platinum 1GB OC sli
    Monitor = 22" LG Flatron W2242T 1680 x 1050 Case = Coolermaster CM690
    PSU = Corsair HX850
    OS = Windows 7 Professional x64


  4. #44
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    Default Re: X48 DQ6 E0 E8500 at 4085Mhz

    I mean tRD of 6 vs 7, you may need to use B Multipliers to use 6 with 400+ FSB, if you was commenting the above to me

  5. #45
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    Default Re: X48 DQ6 E0 E8500 at 4085Mhz

    Yes, but haven't achieved it on 2.40B as shown in above chart of multipliers already tested. On above settings 433MHz won't boot at tRD of 6. If you can see anything in the above I might change to get that I'd be very grateful.
    This A strap was just to see if it worked and how it compared. I accept higher fsb can mean higher tRD. I suspect I'm in the 7 zone, and somewhere further up the fsb it will change to 8. My ram is less happy at 866 than between 1039 and 1083.
    What is "clock twister" and "strong" in X48 bios?
    Last edited by Salty; 09-08-2009 at 07:31 PM.





    CPU
    =
    i7 950 - DO stepping - Batch #3014A844
    Cooling = EK HF Full Nickel
    - XSPC RX360 - Laing DDC 18W - XSPC Bay Reservoir
    Motherboard = GA-X58A-UD3R Revision 2
    , BIOS Version = Award FC
    Ram = 3x2gig Corsair TR3X6G1600C8D G
    Video = 2 X Palit GTX460 Sonic Platinum 1GB OC sli
    Monitor = 22" LG Flatron W2242T 1680 x 1050 Case = Coolermaster CM690
    PSU = Corsair HX850
    OS = Windows 7 Professional x64


  6. #46
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    Default Re: X48 DQ6 E0 E8500 at 4085Mhz

    I would get rid of the MCH Skew, and try More FSB And MCH Voltage to get at 2.40B and tRD 6, as well as tWR 4-6

    It could just be your ram as well, not all ram will run B strap above 400 FSB easy, but this is mainly an issue on P45 more than older boards. Of course I have not used Corsair memory, so very well could just be that this ram just wont do it

  7. #47
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    Default Re: X48 DQ6 E0 E8500 at 4085Mhz

    My bad. I had the tWR wrong in chart. Corrected chart, and will now try that out.


    Last edited by Salty; 09-09-2009 at 07:08 AM.





    CPU
    =
    i7 950 - DO stepping - Batch #3014A844
    Cooling = EK HF Full Nickel
    - XSPC RX360 - Laing DDC 18W - XSPC Bay Reservoir
    Motherboard = GA-X58A-UD3R Revision 2
    , BIOS Version = Award FC
    Ram = 3x2gig Corsair TR3X6G1600C8D G
    Video = 2 X Palit GTX460 Sonic Platinum 1GB OC sli
    Monitor = 22" LG Flatron W2242T 1680 x 1050 Case = Coolermaster CM690
    PSU = Corsair HX850
    OS = Windows 7 Professional x64


  8. #48
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    Default Re: X48 DQ6 E0 E8500 at 4085Mhz

    Update: fsb to +.2v, and MCH to +.25v and +3.00v, no clock skew, tRD 6 = no boot. Also tried loosening off to 1066 spd settings shown in bios as 7-7-7-24- etc. How far should one go with these voltages?

    3dVantage with PhysX disabled: 10830 gpu 12016 cpu 8357 (no mch skew and tRFC of 52.)





    CPU
    =
    i7 950 - DO stepping - Batch #3014A844
    Cooling = EK HF Full Nickel
    - XSPC RX360 - Laing DDC 18W - XSPC Bay Reservoir
    Motherboard = GA-X58A-UD3R Revision 2
    , BIOS Version = Award FC
    Ram = 3x2gig Corsair TR3X6G1600C8D G
    Video = 2 X Palit GTX460 Sonic Platinum 1GB OC sli
    Monitor = 22" LG Flatron W2242T 1680 x 1050 Case = Coolermaster CM690
    PSU = Corsair HX850
    OS = Windows 7 Professional x64


  9. #49
    Chike is offline Senior Member
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    Default Re: X48 DQ6 E0 E8500 at 4085Mhz

    Actually tighter timings enable lower tRD, looser timings require higher tRD.

  10. #50
    Lsdmeasap's Avatar
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    Default Re: X48 DQ6 E0 E8500 at 4085Mhz

    ^^ Right

    Like I said your ram just may not run tRD of 6 at that high FSB, it does have a lot to do with the ram itself.

    Clock Twister? That is Asus BIOS not Gigabyte, you looking at some incorrect guide?

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