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Thread: Please Help With CPU Host




  1. #1
    Join Date
    Jul 2009
    Posts
    93

    Default Please Help With CPU Host

    I can't get past 4GHz and someone suggested to lower the Clock Ratio to 7 then raise the host to 533 and the System Multiplier to 2.00D . Basically to see if the memory is the problem. Seemed reasonable to me. It wouldn't boot. That should have given me a CPU frequency of 3.73 and memory at 1066. Right now I'm stable at 4.009 and 1125. It seems that I raise the Host Frequency above 422 I have problems. I don't understand.
    GA-EP45-UD3P, Rev.1.6, BIOS FA,
    Intel E8500 Proc.@4256MHz
    Antec 900 Case
    Corsair 650 TX PSU
    Zalman CNPS9700 CPU Cooler
    OCZ Reaper DDR2 1066 4 GB RAM
    XFX Radeon 4850 1 GB Video Card
    3 160 GB Seagate Hard Drives
    Sony DRU-810A DVD Drive

  2. #2
    Join Date
    Oct 2008
    Location
    Nimbin, Australia
    Posts
    339

    Default Re: Please Help With CPU Host

    Try using next lower system multiplier with your current overclock. When you raise fsb u also raise memory speed. Your ram may be incapable of more than 1122.5MHz.

    You are on 2.66D, change to 2.40B for 1012.8MHz ram speed. Then you will be able to raise fsb speed again.





    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


  3. #3
    Join Date
    Jul 2009
    Posts
    93

    Default Re: Please Help With CPU Host

    I have tried that but it won't boot even if I lower the multiplier. I have tried 2.00D with a Host of 494.
    GA-EP45-UD3P, Rev.1.6, BIOS FA,
    Intel E8500 Proc.@4256MHz
    Antec 900 Case
    Corsair 650 TX PSU
    Zalman CNPS9700 CPU Cooler
    OCZ Reaper DDR2 1066 4 GB RAM
    XFX Radeon 4850 1 GB Video Card
    3 160 GB Seagate Hard Drives
    Sony DRU-810A DVD Drive

  4. #4
    Join Date
    Oct 2008
    Location
    Nimbin, Australia
    Posts
    339

    Default Re: Please Help With CPU Host

    I did not mean raise it to 494, or anywhere near that. You are trying to go too far too fast.

    Only raise your fsb by a small amount. Jumping to 494 from 422 would require many other changes, and it is unlikely they will be exactly the same as anyone else's. I cant help with 494. Have not done high fsb overclock on this chip and I have a different motherboard too. 4.2 and beyond takes a lot more than getting to 4.0 You have got the easy overclock part just about over.

    Maybe try 2.40B and 433 x 9.5, or be happy with what you have even.
    I think that would be much easier than high fsb overclocking.





    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


  5. #5
    Join Date
    Jul 2009
    Posts
    93

    Default Re: Please Help With CPU Host

    Thank you Salty. That brings up another question I have. Going to B vs D does that cause any problems? Does it slow the memory?
    GA-EP45-UD3P, Rev.1.6, BIOS FA,
    Intel E8500 Proc.@4256MHz
    Antec 900 Case
    Corsair 650 TX PSU
    Zalman CNPS9700 CPU Cooler
    OCZ Reaper DDR2 1066 4 GB RAM
    XFX Radeon 4850 1 GB Video Card
    3 160 GB Seagate Hard Drives
    Sony DRU-810A DVD Drive

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