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Thread: GA-EX58-UD4P bios F6 memory timing settings without CPU OC?




  1. #1
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    Default GA-EX58-UD4P bios F6 memory timing settings without CPU OC?

    Hello! First build, love my UD4P for the new DAW I built. Beautiful board!

    I've researched until my brain is bleeding, and I'm still confused. With the I7 using memory differently, I don't want to rely on info that might not apply. My quandary has to do with changing memory timings without changing CPU clock speeds. All I want to do is take maximum advantage of the ability of the memory I have in the machine. I have looked and not seen this specific issue addressed as all the topics seem to include CPU OC'ing as well.

    Can I up the memory multiplier and voltage on the sticks and manually change timing in BIOS to take advantage of it's ratings without changing the CPU clock or voltage?

    Details:
    - Intel I7 on a Gigabyte EX-58-UDP4 mobo.
    - Ver. F6 bios that I flashed yesterday no problems.
    - Triple channel 6 gig OCX DDR3 1600 PC3 12800 8-8-8-24 1.65 volts

    The memory settings are now all set to auto and the memory is showing 7-7-7-16, 1066 on all three channels at 1.5 v.

    SO.... with the ability to change the mulitiplier field to 12, it shows the memory speed changing to 1600. Can I then just do that, set the timings to 8-8-8-24 for each channel and adjust the voltage to 1.64 or lower?

    Can anyone give specifics steps to settings?

    Thanks!

  2. #2
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    Default Re: GA-EX58-UD4P bios F6 memory timing settings without CPU OC?

    Hi,

    Just make sure your uncore multi is at least twice that of the RAM. So if Ram is 12, you need at least x24 uncore multi....

    To see what the timings are, you need CPU-z or similar. BIOS does not show actual set timings...

    Apart from setting the RAM at spec timings + voltage, you will probably also have to increase QPIvtt voltage. (try 1.25 to 1.35v...)
    Windows 7 Pro 64 | OCZ Vertex 120 | Cosmos S
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  3. #3
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    Default Re: GA-EX58-UD4P bios F6 memory timing settings without CPU OC?

    C3D76, thanks a ton for the advice. I've read a lot on memory timings, but I'm still pretty green and I'm uncertain about the way the I7 accesses memory and vice versa and what this might mean to setting memory timings.

    So, here's a real dumbass question, but does raising memory speed improve performance even if the CPU isn't OC'd??

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-EX58-UD4P bios F6 memory timing settings without CPU OC?

    Yes, it does. If you need help with your settings, let me know and post back your final settings when you decide on a CPU Speed and I can give you some suggested full settings >>>

    Here is some stock CPU Speed, 1600Mhz ram speed settings for you to start with

    Code:
    Advanced CPU Features:
    CPU Clock Ratio ................................ [20x]
    Intel(R) Turbo Boost Tech .................. [Enabled]
    CPU Cores Enabled ............................ [All]
    CPU Multi Threading .......................... [Enabled]
    CPU Enhanced Halt (C1E) ................... [Disabled]
    C3/C6/C7 State Support .................... [Disabled]
    CPU Thermal Monitor ......................... [Enabled]
    CPU EIST Function ............................ [Disabled]
    Virtualization Technology ................... [Enabled]
    Bi-Directional PROCHOT ..................... [Enabled]
    
    
    Uncore & QPI Features:
    QPI Link Speed .............................. x36
    Uncore Frequency ..........................  24 (Always 2x memory Multi or 2x +1)
    Isonchronous Frequency ..................[Enabled]
    
    
    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) ..................... 133
    PCI Express Frequency (MHz) ........... [100]
    
    C.I.A.2 [Disabled]
    
    Advanced Clock Control:
    CPU Clock Drive ..............................[800mV]
    PCI Express Clock Drive ................... [900mV]
    CPU Clock Skew ............................. [0ps]
    IOH Clock Skew ............................. [0ps]
    
    
    Advanced DRAM Features:
    Performance Enhance ...................... [Standard]
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ [12.0]
    DRAM Timing Selectable (SPD) .......... [Manual]
    
    Channel A + B + C
    
    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ......................8
    tRCD .......................................8
    tRP .........................................8
    tRAS .......................................24
    
    ##Channel A Advanced Timing Control##
    tRC ........................................ 32-36 (Should be = tRAS + tRP or above for stability)
    tRRD .......................................4-6
    tWTR ......................................3-5
    tWR ........................................6-12
    tWTP .......................................18-24
    tWL ........................................6-8 (tWTP Must = tWR + tWL + 4)
    tRFC .......................................72-82
    tRTP .......................................4-6
    tFAW ......................................24-34
    Command Rate (CMD) ................1
    
    ##Channel A Misc Timing Control##
    Round Trip Latency ...................50-54
    
    
    
    Advanced Voltage Control:
    
    CPU
    Load Line Calibration ................. [Disabled]
    CPU Vcore ............................... Auto For stock only
    QPI/VTT Voltage 1.150v ............ 1.225-1.35
    CPU PLL 1.800v .......................Auto For stock only
    
    MCH/ICH
    PCIE 1.500v ........................... Auto or 1.54
    QPI PLL 1.100v ....................... Auto or if you have issues 1.14-1.24
    IOH Core 1.100v ..................... 1.14-1.24
    ICH I/O 1.500v ....................... Auto 
    ICH Core 1.1v ........................ 1.14-1.2
    
    DRAM
    DRAM Voltage 1.500v .............. 1.64-1.66
    DRAM Termination 0.750v [AUTO]
    Ch-A Data VRef. 0.750v [AUTO]
    Ch-B Data VRef. 0.750v [AUTO]
    Ch-C Data VRef. 0.750v [AUTO]
    Ch-A Address VRef. 0.750v [AUTO]
    Ch-B Address VRef. 0.750v [AUTO]
    Ch-C Address VRef. 0.750v [AUTO]
    Last edited by Lsdmeasap; 03-24-2009 at 05:12 PM.

  5. #5
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    Default Re: GA-EX58-UD4P bios F6 memory timing settings without CPU OC?

    Thanks again man. It turns out that the 4U rack enclosure I used won't handle a good CPU sink with 120 mm fan. It's about 10mm too short, so for now I'll be stuck with the stock i7 stock sink/fan. I'm not sure how much OC'ing can be done with that setup. Can you point me in the direction of some good documentation on that?

    Vic

  6. #6
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-EX58-UD4P bios F6 memory timing settings without CPU OC?

    I can only link you to overclock guides, that are pretty limited since the hardware just came out. I would think you may be able to get a little overclock going but not sure how much

    Here is the few guides linked in some posts here I know of, but again they are orientated towards overclocking >>
    http://forums.tweaktown.com/f69/boot...tml#post285892

    http://forums.tweaktown.com/f69/ther...33/#post285808


    There is smaller heatsinks that may still work much better then a stock one, did you look around good and long? Just wondering

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