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Thread: EP45-UD3P + Mushkin 996599 Dual Channel..




  1. #11
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    Default Re: EP45-UD3P + Mushkin 996599 Dual Channel..

    Here are the new settings Lsdmeasp...

    Extreme Memory Profile [Disabled]
    MCH Frequency Latch [Auto]
    System Memory Muliplier [ 2.40B]
    Memory Frequency 1066 [1099]
    Cas Latency Time 5 [5]
    tRCD 5 [5]
    tRP 5 [5]
    tRAS 15 [15]

    Advanced Timing Control
    tRRD........................................... 4
    tWTR.......................................... 6
    tWR............................................ 8
    tRFC........................................... 62
    tRTP........................................... 5
    Command Rate (CMD) .................... 2

    Driving Strength Profiles
    Driving Strength ............................ 1066

    Channel A
    Static tRead Value......................... 9
    tRD Phase0 Adjustment...................:Auto
    tRD Phase1 Adjustment...................:Auto
    tRD Phase2 Adjustment .................:Auto
    tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto
    Twr2wr(Different Rank)...................:Auto
    Twr2rd(Different Rank)...................:Auto
    Trd2wr(Same/Diff Rank)..................:Auto
    Dimm1 Clock Skew Control...............:Auto ps
    Dimm2 Clock Skew Control...............:Auto ps

    Channel B
    Static tRead Value.........................: 9
    tRD Phase0 Adjustment...................:Auto
    tRD Phase1 Adjustment...................:Auto
    tRD Phase2 Adjustment .................:Auto
    tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto
    Twr2wr(Different Rank)...................:Auto
    Twr2rd(Different Rank)...................:Auto
    Trd2wr(Same/Diff Rank)..................:Auto
    Dimm1 Clock Skew Control...............:Auto ps
    Dimm2 Clock Skew Control...............:Auto ps

    Load Line Calibration [Disabled]

    CPU Vcore 1.18750v [1.300v]
    CPU Termination 1.200v [1.260v]
    CPU PLL 1.500v [1.500v]
    CPU Reference 0.760v [Auto]

    MCH Core 1.100v [1.200v]
    MCH Reference 0.760v [0.698v]
    MCH/DRAM Reference 0.900v [Auto]
    ICH I/O 1.500v [1.500v]
    ICH Core 1.100v [1.100v]
    DRAM Voltage 1.800v [2.000v]

    The system didn't like the lower timings at all. System would reboot, and reset to default bios. These settings seem to be stable, passed several hours of prime. What do you want me to do now?

  2. #12
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EP45-UD3P + Mushkin 996599 Dual Channel..

    I would lower tRD (Static tRead) First, see if you can get 7-8 working. More MCH voltage may be needed, or less so play around with it a bit. And you may need to use 2.05-2.08 Ram voltage. What do you get actual from the 2.0V setting on your board?

    You are using BIOS profiles right so you dont have to re-enter everything when it fails? F11 on the MAIN page is save, F12 is load

    Then if you can get tRD down, or not I would try this >>>

    tRRD........................................... 4 << 3 should work for sure
    tWTR.......................................... 6 << 4-5 should be ok
    tWR............................................ 8 << 6-7 should be good
    tRFC........................................... 62 << 54-58
    tRTP........................................... 5 << 3-4

  3. #13
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    Default Re: EP45-UD3P + Mushkin 996599 Dual Channel..

    Hi Lsdmeasp, When you say actual voltage, where can I see the value for it? You say "may have to use 2.05-2.08 Ram voltage"... I thought max voltage that you could use, at least on Mushkin is 2.01?

  4. #14
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    Default Re: EP45-UD3P + Mushkin 996599 Dual Channel..

    Here are the new settings:

    Static tRead - 8

    tRRD - 3
    tWTR - 5
    tWR - 7
    tRFC - 58
    tRTP - 4

    Increased MCH Core - 1.240v
    DRAM Voltage - 2.00v

    Less MCH Voltage didn't work for me. Had to increase to 1.240 for it to post. Settings passed preliminary testing, no errors... One pass of Occt and couple of hours on Prime. I was going to try to lower some of the timings another notch, and increase MCH. However, you have a limit of 1.240 in a previous post, so I have left it there. I didn't increase Ram voltage. I wanted to find out more about going past the 2.1 mark.

  5. #15
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EP45-UD3P + Mushkin 996599 Dual Channel..

    Yes, most Mushkins Max warrantied (If you care about that, they cannot tell if you kill it unless you burn it 2.5V) is 2.1V. And most actually do better with 2.0-2.05 or so

    Actual voltages for ram you can check general in the PC Health section of the BIOS after you apply a setting and reboot then check. And you can check with Everest in Computer/sensors section to see if it is the same in windows as well. HwMontior also picks this up correctly I believe

    Actual CPU Voltage you can verify at Idle and Load with CPU-z

    You wont need more then 2.1 for sure and actually it may cause more issues then not. MCH Core you can use more the 1.24 for sure, but it may or may not be needed just depends on the strap and multi you are using and tRD.

    Ya, those advanced timings can still likely come down a bit

  6. #16
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    Default Re: EP45-UD3P + Mushkin 996599 Dual Channel..

    How does this look Lsdmeasap?

    Static tRead - 8

    tRRD - 3
    tWTR - 3
    tWR - 4
    tRFC - 52
    tRTP - 3

    MCH Core - 1.220v

    I couldn't get Static tRead any lower.

  7. #17
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    Default Re: EP45-UD3P + Mushkin 996599 Dual Channel..

    Looks good, if you have errors you may need to raise tWR one or two.

    No tRD of 7 eh? Did you try more voltage to try to get it to 7? Just wondering, not sure how hard you wanted to push things.

  8. #18
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    Default Re: EP45-UD3P + Mushkin 996599 Dual Channel..

    Yes I increased voltages a bit, but 7 was still a no go... Perhaps I didn't increase enough. What voltages for 7 should I increase, and by how much?

  9. #19
    Lsdmeasap's Avatar
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    Default Re: EP45-UD3P + Mushkin 996599 Dual Channel..

    I would leave the ram at 2.0-2.1 for this test, then try more or less Vtt/ MCH core and MCH Ref. When you go to try more or less MCH ref, use the same Vtt of course for all MCH Ref tests

    It may just not hit 7 at that speed. You could also try rasing these a bit to see if they are the issue as lower is not always better for performance or in helping get other settings lowered >>
    tWTR - 3 << Set 4
    tWR - 4 << Set 6-8
    tRFC - 52 << try 54-58 until you are done trying to lower tRD

  10. #20
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    Default Re: EP45-UD3P + Mushkin 996599 Dual Channel..

    7 still a no go... I upped a couple of the timings a notch or two. This is how things look right now.

    Static tRead - 8

    tRRD - 3
    tWTR - 4
    tWR - 6
    tRFC - 54
    tRTP - 3

    MCH Core - 1.220v
    Last edited by Griff88; 03-17-2009 at 07:48 AM.

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