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    #1

    System Stability Problem

    This system will not pass Prime95 Torture Test:

    BIOSTAR P4M80-M4 Socket 478 VIA P4M800 Micro ATX Intel Motherboard
    Intel P4 Prescott 3.0GHz 1MB L2 Cache Socket 478
    Ultra 512MB PC3200 RAM

    I changed the RAM to CORSAIR ValueSelect 512MB PC 3200, still would not pass Torture Test..

    I changed to OCZ Platinum Edittion XTC 1GB PC 3200, and it did pass Torture Test.

    I want to use either the Ultra or Corsair RAM.. I have a fan blowing on the RAM, as well as one in the rear blowing out... I have tried messing with the RAM timings to no avail... but perhaps I am doing something wrong... ? does anybody have any suggestions as to what to try? Here are the default RAM settings...

    2.65 Volts
    Bank Interleave: Disabled
    TRP: 2T
    TRAS: 2T
    TRCD: 5T
    TRFC: 25T
    TRRD: 3T
    TRTP: 3T
    TWTR: 2T
    TWR: 5T
    DRAM Command Rate: 2T Command
    RDSAIT Mode: Auto

    Thanks!
    Tags: None
    #2
    Re: System Stability Problem

    Those RAM settings appear too low for value RAM, try setting RAM to CAS 3-4-4-7 or incrementally increase it.
    Rubycon Rubycon Rubycon

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      #3
      Re: System Stability Problem

      It looks like I left out that the default CAS Latency was indeed 3...
      Sorry about the noobe question, but which of the settings I mentioned should I be changing to 4-4-7 or incrementally increasing?

      Comment

        #4
        Re: System Stability Problem

        I found this this tutorial: http://www.hardwaresecrets.com/article/26/2

        according to it, I think I should be setting the timings like this: TRP=4, TRCD=4 and TRAS=7

        Comment

          #5
          Re: System Stability Problem

          Yeah you should try higher timings, those timings of 2-2-2-5 are very low, only the most rare and expensive RAM (such as the original top end Golden Emperor Dragon RAM with ram chips built into the PCB).
          Rubycon Rubycon Rubycon

          Comment

            #6
            Re: System Stability Problem

            Sorry.. the original, default timings were 3-5-2-5... I made a couple of typos... it still cannot pass the "blend' test at the highest possible settings the board offers... oh well.

            Comment

              #7
              Re: System Stability Problem

              Corsair VS is usually 3-4-4-8 at least my 1GB VS do not like any tighter timings.

              Comment

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