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Setting RAM on P5W DH Deluxe

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  • 13-09-2007 12:02pm
    #1
    Gerb68
    Registered Users Posts: 266 ✭✭


    I'm trying to set my RAM to DDR2 800 on the ASUS P5W DH Deluxe and have been for a while since I built the PC. After each setting config after sometime I either get an error message when I boot up saying "Overclocking Failed Press F1 to enter set up or F2 to reset settings" or when I run orthos it stops saying Rounding was 0.5, expected less than 0.4.
    My RAM is 2Gb OCZ DDR2 PC2-6400 ATI CrossFire Dual Channel with Timings 4-4-4-12 and a Memory Voltage between 1.9v - 2.1v. My CPU is an e6600 C2D @ 2.40GHz.
    I have the CPU Freq set at Default 2.66, the Vcore Volt set to Auto(1.30v), the DRAM Freq set at DDR2-800mhz, Timings set at 4-4-4-12-5 and tried all Memory Volt from 1.9v-2.1v. Testing with Orthos as I increased the Mem Volt to 2.0v the test stopped after 7h 20mins and with 2.1v it stopped after 9h 15mins with the rounding error messages so I assume I'm getting close.
    My Question is do I need to change the CPU Vcore Voltage? Is 1.3v too low? Do I need to change the FSB? Is 2.66 to Low? or should I change something else. I understand all systems are different but which settings should I next try out?
    Thanx for Any Help.

    http://www.memoryc.com/products/description/2Gb_OCZ_DDR2_PC2_6400_CL4_ATI_CrossFire_Dual_Channel_kit/index.html


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    #2
    8T8
    Closed Accounts Posts: 4,757 ✭✭✭8T8


    For the sake of testing to see whether the RAM can actually be stable disable the timings by SPD and set it to this instead 5-5-5-12 leave everything else at stock/auto and run Orthos.


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    #3
    Gerb68
    Registered Users Posts: 266 ✭✭Gerb68


    I set Timings to 4-4-4-12-5 and set everything else to Auto. I ran orthos Test: "Blend - stress CPU and RAM". I ran the test on one of the Cores even do it said "You should run two copies of SP2004 simultaneously".
    After about 10 hours my PC shut down. When I rebooted and looked in the splog and the final few entries it said
    "Self - test 4096K passed!"
    and then it ran 5 tests with the last entry
    "Test 5, 4500 Lucas-Lehmer iterations of M17115073 using 1024 FFT length".
    I assume this is not good?


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