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F2-8500CL5D-4GBTD + ASUS M4A78T-E BIOS settings

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  • F2-8500CL5D-4GBTD + ASUS M4A78T-E BIOS settings

    These settings are for the combination above, they may work for other similar memory modules as well.

    AI Overclock Tuner - Manual
    DRAM Frequency - 1066
    DRAM Voltage - 2.0V
    HT Voltage - 1.4V
    NB Voltage - 1.2V (1.4V for 4 sticks, 8GB)

    DRAM Controller Configuration (submenu)
    DCT Unganged Mode - Enabled
    Power Down Enabled - Disabled

    DRAM Timing/Driving Config. (submenu)
    DRAM Command Rate - 2
    tCL - 5
    tRCD - 5
    tRP - 5
    tRAS - 15
    tRTP - 6
    tRC - 42
    tWR - 12
    tRRD - 6

    tRWTTO - 6
    tWRRD - 2
    tWTR - 6
    tWRWR - 4
    tRDRD - 4
    tRFC0 - 127
    tRFC1 - 127
    tREF - AUTO

    Thank you

  • #2
    Tried this config..

    Blue screened. Is there a difference between the M4A78T-E, and the M4A78-E, as far as bios config? I could tell there were settings called for that don't exist in my bios.


    Model of the motherboard: M4A78-E
    Model of the memory: F2-8500CL5D-4GBTD
    Model of the CPU: AMD Phenom II X4 945 Deneb 3.0GHz 4 x 512KB L2 Cache 6MB L3 Cache Socket AM3 95W Quad-Core Processor

    Just updated Bios from 1213 to 1302.

    AI Overclock Tuner - Manual Good
    DRAM Frequency - 1066 Don't have 1066.. have 1067
    DRAM Voltage - 2.0V Turns Yellow
    HT Voltage - 1.4V Red
    NB Voltage - 1.2V (1.4V for 4 sticks, 8GB) 1.3 Minimum

    DRAM Controller Configuration (submenu) Called Memory Config
    DCT Unganged Mode - Enabled Good
    Power Down Enabled - Disabled Good

    DRAM Timing/Driving Config. (submenu)
    DRAM Command Rate - 2 2T

    What about DRAM Timing? DCT0, DCT1, or Both? (I'm really new at this)

    Default settings -
    DCT0 1st - 5-5-5-3(5)-15-24-6-3
    DCT0 2nd - 7-127.5-75
    Same for DCT1 1st and 2nd, if I selected Both for DRAM Timing
    Last edited by atmos_sc; 09-05-2009, 08:09 PM.


    • #3
      The BIOS are slightly different, but settings will work the same. 1067 is fine, it is simply how the motherboard reads it. Yellow is fine, it is simply a warning. Red is fine as well, it is simply letting you know you are in the HIGH zone. You can lower it to 1.3V if it is stable, but for troubleshooting purposes we are trying what has been tested. 1.3V NB Voltage is odd, but that's fine if that's where it wants to be.

      2T is the same as 2. DRAM Timing should be Both. As far as timings, they look fine, the DCT0 2nd is slightly tight, but if you have a good memory/motherboard combination, you may be able to operate at those timings. How is the system running with those settings?

      Thank you


      • #4
        Thanks for the response. My system runs well with the default settings, which are different from above. I've attempted several times to change the settings and timing, and get the blue screen upon logging in. I'm going to try setting everything except for timing and see how that works.


        • #5
          When you say default, do you mean default at 800? or 1066? Timing may be your main problem. The normal timings should look like this:

          DCT0 1st - 5-5-5-3(5)-15-24-8-3
          DCT0 2nd - 7-195-127.5

          Let me know how that goes.

          Thank you


          • #6
            DDR2 Memory - Intel e8400 P35 GSK F2-8000CL5D-4GB

            I have recently been trying to OC my (previously stock) PC. I was disappointed that I could not get the memory to run faster that 866 MHz before I started seeing memory errors on memtest86 4.0 That corresponded to the e8400 running at 3250 MHz (361x9). When I purchased this ram I thought it was listed as capable of 1066MHz operation. I have increased the CPU to 1.125v and the memory to 2.0v. Vtt of FSB increased to 1.175v, NB to 1.35, SB to 1.7v, SBcore 1.35v. I have seen articles with the e8400 on this MB easily running much faster than 3250 MHz. No problem with CPU temps 45 C.

            I have MSI-P35 Neo2 motherboard which should be capable of higher OC as well.
            I saw your response with this memory on AMD Phenom II but understand that Intel can be significantly different.

            Thanks (in advance)
            kr3630 w/

            Intel Core Duo e8400 Wolfdale
            MSI P35 NEO2-FR MB
            Memory 2GBx2 GKS F2-8000CL5D-4GBPQ R
            Arctic Cooling Freezer 7 w/ AC MX-2
            Corsair CMPSU-750TX 750W PS
            VGA MSI N9600GT-T2D512 512MB
            Rosewell R5605-BK case
            Last edited by Kr36303; 12-10-2011, 03:46 AM. Reason: would like to promote to new thread that will be Intel related.