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Thread: EX58A-UD7 - Please help with CPU & RAM settings




  1. #1
    ed1 is offline Member
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    Default EX58A-UD7 - Please help with CPU & RAM settings

    LSD (and others) -

    I have a new UD7 build running and would like to raise CPU speed and fix the RAM settings. I have read a lot on these forums, but I have never attempted this on other builds, so I would appreciate help to keep the system stable. I know there is a relationship between CPU and RAM overclocking which I haven't figured out completely, which makes it even more important for me to get some help from you guys.

    This is a general use computer. I don't want to go crazy with overclocking but it will need quite a bit of CPU speed to deal with MS Flight Simulator. Also, the RAM is 1600Mhz DDR3 stickered for 6-7-6-18 at 1.65v, but is presently running on 1.5v at 1066Mhz with those timings.

    I will post the current bios settings below. The main components are:

    Gigabyte EX58A-UD7 (F3c bios)
    Intel i920 (D0)
    Noctua NH-D14 CPU cooler
    6GB (3x2GB) Mushkin 998692 DDR3 - rated 6-7-6-18 at 1.65v 1600Mhz
    Sapphire ATI 5850 video card (1)
    Patriot Torqx 64GB SSD - OS and a few programs only
    Seagate 1TB HDD




    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 ................... [Disabled]
    Bi-Directional PROCHOT ..................... [Enabled]


    Uncore & QPI Features:
    QPI Link Speed .............................. x36
    Uncore Frequency .......................... (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) ........... Didn't find this - will look again

    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) ........ [AUTO]
    DRAM Timing Selectable (SPD) .......... [Expert]

    Channel A + B + C

    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ......................6
    tRCD .......................................7
    tRP .........................................6
    tRAS .......................................18

    Below values may be left in Auto if you like, generally this is fine. For those users who DO Set advanced timings manually, please see some of my thoughts and findings about these settings and rules here
    XtremeSystems Forums - View Single Post - Gigabyte EX58-UD5/Extreme Discussion Thread

    ##Channel A Advanced Timing Control##
    tRC ........................................ (Should be = tRAS + tRP or above for stability)
    tRRD .......................................
    tWTR ...................................... (Must be Write to Read Delay/Same Rank - (tWL + 4)
    tWR ........................................
    tWTP ....................................... (tWTP Must = tWR + tWL + 4)
    tWL ........................................ (tWL Must be CAS Latency -1)
    tRFC .......................................
    tRTP .......................................
    tFAW ......................................
    Command Rate (CMD) ................

    ##Channel A Misc Timing Control##
    Round Trip Latency ...................



    Advanced Voltage Control:

    CPU
    Load Line Calibration ................. [Standard] Do not have Disabled option
    CPU Vcore ...............................Auto
    QPI/VTT Voltage 1.150v ............Auto
    CPU PLL 1.800v .......................Auto

    MCH/ICH
    PCIE 1.500v ...........................Auto
    QPI PLL 1.100v .......................Auto
    IOH Core 1.100v .....................Auto
    ICH I/O 1.500v .......................Auto
    ICH Core 1.1v ........................Auto

    DRAM
    DRAM Voltage 1.500v ..............1.50v
    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]


    Please help me get started. Thanks.
    Last edited by ed1; 12-12-2009 at 05:32 AM.

  2. #2
    Lsdmeasap's Avatar
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    Default Re: EX58A-UD7 - Please help with CPU & RAM settings

    What cooler are you using, and what speed would you like to run the CPU at? Once you tell me that I can post you some full settings that should get you started tonight when I get back in.

  3. #3
    ed1 is offline Member
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    Default Re: EX58A-UD7 - Please help with CPU & RAM settings

    LSD, it is a Noctua NH-D14. I don't know if you are familiar with it as it is quite new. But it is extremely well reviewed. A bit larger (6 heatpipes) than Noctua's former top cooler. My core temps now are between 26C and 30C (case still wide open) at idle with CPU C1E and EIST disabled (I think the temps were a bit lower before I disabled those). Haven't measured at load.

    I don't want to overly stress the CPU as I am cooling with air, but I would need good CPU speed occasionally for Flight Simulator. I know the FS fanatics all are running at 4.0Mhz or more. Maybe I need a way to turn on a higher bios profile just for gaming.

    Would around 3.4Mhz be a reasonable initial target? Possibly more if that works out well. And, I would like the RAM to run at least at spec whatever the CPU speed is.

    Thanks for your help.
    Last edited by ed1; 12-12-2009 at 05:40 AM.

  4. #4
    Lsdmeasap's Avatar
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    Default Re: EX58A-UD7 - Please help with CPU & RAM settings

    Well, 3.4 it is then! You can always go higher once you get this stable and settled in anyway.

    These should get you going, of course you will need to tinker around to find stability I am sure.

    BSOD Error codes and what they mean:
    0X00000050 << Incorrect Memory Timing/Freq or Uncore Multi
    0X00000124 << Incorrect QPI/Vtt Voltage (To Much/Not Enough)
    0X00000101 << Not enough Vcore Voltage


    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 ................... [Disabled]
    Bi-Directional PROCHOT ..................... [Enabled]


    Uncore & QPI Features:
    QPI Link Speed .............................. x36 or x44 both will work and be fine
    Uncore Frequency .......................... (Always 2x memory Multi or 2x +1) I use 2x +2, 20-22
    Isonchronous Frequency ..................[Enabled]


    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) .....................160
    PCI Express Frequency (MHz) ........... Didn't find this - will look again

    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] << After you get going, you can try extreme as I always use it and never have issues at any setting even 2100+
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ [AUTO] << Set x10 = 1600Mhz
    DRAM Timing Selectable (SPD) .......... [Expert]

    Channel A + B + C

    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ......................6
    tRCD .......................................7
    tRP .........................................6
    tRAS .......................................18

    Below values may be left in Auto if you like, generally this is fine. For those users who DO Set advanced timings manually, please see some of my thoughts and findings about these settings and rules here
    XtremeSystems Forums - View Single Post - Gigabyte EX58-UD5/Extreme Discussion Thread

    ##Channel A Advanced Timing Control##
    tRC ........................................ (Should be = tRAS + tRP or above for stability)
    tRRD .......................................
    tWTR ...................................... (Must be Write to Read Delay/Same Rank - (tWL + 4)
    tWR ........................................
    tWTP ....................................... (tWTP Must = tWR + tWL + 4)
    tWL ........................................ (tWL Must be CAS Latency -1)
    tRFC .......................................
    tRTP .......................................
    tFAW ......................................
    Command Rate (CMD) ................ << Set 1T

    ##Channel A Misc Timing Control##
    Round Trip Latency ...................



    Advanced Voltage Control:

    CPU
    Load Line Calibration ................. [Standard] Do not have Disabled option << Set Level 1
    CPU Vcore ...............................Auto << You will need to find what your CPU needs, stock manually set may work for 3.4 but not sure? Try 1.225-1.36 should be enough. if you get 101 BSOD Codes though and you are at 1.36 then you need more still though so don't take those as a limit.

    QPI/VTT Voltage 1.150v ............Auto << Set, you will need 1.3-1.45+ for this memories timings
    CPU PLL 1.800v .......................Auto Auto would be fine on this, but check in Easytune to be sure it is not getting set over stock. Or just set 1.8

    MCH/ICH
    PCIE 1.500v ...........................Auto
    QPI PLL 1.100v .......................Auto << 1.14-1.2 should be good (I always use 1.24-1.35
    IOH Core 1.100v .....................Auto << Set 1.2-1.24
    ICH I/O 1.500v .......................Auto
    ICH Core 1.1v ........................Auto << 1.14-1.2

    DRAM
    DRAM Voltage 1.500v ..............1.50v << 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]

  5. #5
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    Default Re: EX58A-UD7 - Please help with CPU & RAM settings

    Load Line Calibration ................. [Standard] Do not have Disabled option << Set Level 1
    a small question .. why we need this option enable ? i dont understand how it work.

  6. #6
    Lsdmeasap's Avatar
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    Default Re: EX58A-UD7 - Please help with CPU & RAM settings

    It helps keep your Vcore close to the same at idle and load, instead of drooping under a heavy load.

    Disabled = Vcore Droop
    Level 1 = Minimal Droop
    Level 2 = Increased overvoltage under load

  7. #7
    ed1 is offline Member
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    Default Re: EX58A-UD7 - Please help with CPU & RAM settings

    Thank you for those settings, LSD. I am not at the computer involved now, but will try them later today.

    With a CPU multiplier of 20x and Bclock of 160, those settings will/should get me to 3.2Mhz, correct? Somewhere I read that odd numbered multiplier settings are preferable to even numbers. Is there any truth to that? And 21 is the highest possible CPU multiplier setting, correct?

    If the settings you gave me are stable, is it best to try to go higher by (1) first adjusting the CPU multiplier to 21 and then adjusting the Bclock up or down, or (2) leaving the multiplier at 20 and raising the Bclock?

    By the the way, do you mind being called LSD as a nickname??
    Last edited by ed1; 12-14-2009 at 12:33 AM.

  8. #8
    ed1 is offline Member
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    Default Re: EX58A-UD7 - Please help with CPU & RAM settings

    The system would not accept my first attempt with the 160 Bclock, but I got as far as 152 for 3.08Mhz with the following settings. Memory @ 1520Mhz at 6-7-6-18-84-1T.

    Changing the Bclock to 154 caused a Windows failure to load - the computer seemed to boot but Windows could not get to the desktop and stated that it had detected an error. Current running settings are:

    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 ................... [Disabled]
    Bi-Directional PROCHOT ..................... [Enabled]


    Uncore & QPI Features:
    QPI Link Speed .............................. x36
    Uncore Frequency .......................... 20 (Always 2x memory Multi or 2x +1) I use 2x +2, 20-22
    Isonchronous Frequency ..................[Enabled]


    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) .....................152
    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] << After you get going, you can try extreme as I always use it and never have issues at any setting even 2100+
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ [10] << Set x10 = 1600Mhz
    DRAM Timing Selectable (SPD) .......... [Expert]

    Channel A + B + C

    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ......................6
    tRCD .......................................7
    tRP .........................................6
    tRAS .......................................18

    Below values may be left in Auto if you like, generally this is fine. For those users who DO Set advanced timings manually, please see some of my thoughts and findings about these settings and rules here
    XtremeSystems Forums - View Single Post - Gigabyte EX58-UD5/Extreme Discussion Thread

    ##Channel A Advanced Timing Control##
    tRC ........................................ (Should be = tRAS + tRP or above for stability)
    tRRD .......................................
    tWTR ...................................... (Must be Write to Read Delay/Same Rank - (tWL + 4)
    tWR ........................................
    tWTP ....................................... (tWTP Must = tWR + tWL + 4)
    tWL ........................................ (tWL Must be CAS Latency -1)
    tRFC .......................................
    tRTP .......................................
    tFAW ......................................
    Command Rate (CMD) ................ 1<< Set 1T

    ##Channel A Misc Timing Control##
    Round Trip Latency ...................



    Advanced Voltage Control:

    CPU
    Load Line Calibration ................. [1] Do not have Disabled option << Set Level 1
    CPU Vcore ...............................1.3000 << You will need to find what your CPU needs, stock manually set may work for 3.4 but not sure? Try 1.225-1.36 should be enough. if you get 101 BSOD Codes though and you are at 1.36 then you need more still though so don't take those as a limit.

    QPI/VTT Voltage 1.150v ............1.295 << Set, you will need 1.3-1.45+ for this memories timings
    CPU PLL 1.800v .......................1.800v Auto would be fine on this, but check in Easytune to be sure it is not getting set over stock. Or just set 1.8

    MCH/ICH
    PCIE 1.500v ...........................Auto
    QPI PLL 1.100v .......................1.14 << 1.14-1.2 should be good (I always use 1.24-1.35
    IOH Core 1.100v .....................1.20 << Set 1.2-1.24
    ICH I/O 1.500v .......................Auto
    ICH Core 1.1v ........................1.14 << 1.14-1.2

    DRAM
    DRAM Voltage 1.500v ..............1.64v << 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]



    I set a 20 CPU multiplier in the bios, but Core Temp, Real Temp and CPU-Z are showing a 21 CPU multiplier. Why the discrepancy? Which is correct?

    The UD7 board has LED's which were all off before overclocking, but are now on (glowing) at levels indicating:

    CPU temp - L1 - 61*C to 80*C (CoreTemp, Real Temp show cores at 26*C to 31*C idle)
    NB temp - L1 - 61*C to 80*C
    Phase - 1 blue LED on
    NB phase - 1 green LED on
    DDR phase - 1 green on


    System seems stable. What should I adjust next?
    Last edited by ed1; 12-14-2009 at 08:19 PM.

  9. #9
    Lsdmeasap's Avatar
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    Default Re: EX58A-UD7 - Please help with CPU & RAM settings

    Yes some CPU'd so not like Odd CPU multipliers, or Odd Uncore Multi's. 21 is the max for your CPU

    Ya, LSD is fine :)

    You are seeing x21 CPU multi because you have Turbo enabled, this add +1 to the CPU multi. I advise you leave this and stick with 21 multi

    Try these changes in bold for 3.4

    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 ................... [Disabled]
    Bi-Directional PROCHOT ..................... [Enabled]


    Uncore & QPI Features:
    QPI Link Speed .............................. x36
    Uncore Frequency .......................... 20 (Always 2x memory Multi or 2x +1) I use 2x +2, 20-22 Try x21 or x22
    Isonchronous Frequency ..................[Enabled]


    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) .....................152 160
    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] << After you get going, you can try extreme as I always use it and never have issues at any setting even 2100+ Try Extreme
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ [10] << Set x10 = 1600Mhz
    DRAM Timing Selectable (SPD) .......... [Expert]

    Channel A + B + C

    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ......................6
    tRCD .......................................7
    tRP .........................................6
    tRAS .......................................18

    Below values may be left in Auto if you like, generally this is fine. For those users who DO Set advanced timings manually, please see some of my thoughts and findings about these settings and rules here
    XtremeSystems Forums - View Single Post - Gigabyte EX58-UD5/Extreme Discussion Thread

    ##Channel A Advanced Timing Control##
    tRC ........................................ (Should be = tRAS + tRP or above for stability)
    tRRD .......................................
    tWTR ...................................... (Must be Write to Read Delay/Same Rank - (tWL + 4)
    tWR ........................................
    tWTP ....................................... (tWTP Must = tWR + tWL + 4)
    tWL ........................................ (tWL Must be CAS Latency -1)
    tRFC .......................................
    tRTP .......................................
    tFAW ......................................
    Command Rate (CMD) ................ 1<< Set 1T

    ##Channel A Misc Timing Control##
    Round Trip Latency ...................



    Advanced Voltage Control:

    CPU
    Load Line Calibration ................. [1] Do not have Disabled option << Set Level 1
    CPU Vcore ...............................1.3000 << You will need to find what your CPU needs, stock manually set may work for 3.4 but not sure? Try 1.225-1.36 should be enough. if you get 101 BSOD Codes though and you are at 1.36 then you need more still though so don't take those as a limit.

    QPI/VTT Voltage 1.150v ............1.295 << Set, you will need 1.3-1.45+ for this memories timings
    CPU PLL 1.800v .......................1.800v Auto would be fine on this, but check in Easytune to be sure it is not getting set over stock. Or just set 1.8

    MCH/ICH
    PCIE 1.500v ...........................Auto
    QPI PLL 1.100v .......................1.14 << 1.14-1.2 should be good (I always use 1.24-1.35 Set 1.24
    IOH Core 1.100v .....................1.20 << Set 1.2-1.24
    ICH I/O 1.500v .......................Auto
    ICH Core 1.1v ........................1.14 << 1.14-1.2

    DRAM
    DRAM Voltage 1.500v ..............1.64v << 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]

  10. #10
    ed1 is offline Member
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    Default Re: EX58A-UD7 - Please help with CPU & RAM settings

    Unfortunately, I am not able to get this system past a 155 Bclk. Any voltage or Bclk increase gives problems. Either the Bios reverts to a prior known good setting, or the system boots past the bios setup but Windows has problems loading.

    The Windows problems include just freezing with a blank screen before the desktop appears but more often having a black screen stating that it is "Checking the file system on C:. One of your disks needs to be checked for consistency." Then chkdsk starts and either the system freezes there, or chkdsk runs and seems to recover a bunch of Windows files before a normal desktop appears using prior bios settings.

    The best stable settings I am able to get are below. They produce a 3.255Mhz CPU speed with the Turbo 21X multiplier and 155 Bclk. RAM runs at 6-7-6-18-84(Trfc)-1T at 1550Mhz on 1.66v (spec 6-7-6-18 @ 1600Mhz on 1.65v).

    Core Temp reports core temps up about 5*C from non-overclocked temps - now between 29*C and 34*C at idle. How high idle temps should I begin to worry?


    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 ................... [Disabled]
    Bi-Directional PROCHOT ..................... [Enabled]


    Uncore & QPI Features:
    QPI Link Speed .............................. x36
    Uncore Frequency .......................... 20 (Always 2x memory Multi or 2x +1) I use 2x +2, 20-22 Try x21 or x22
    Isonchronous Frequency ..................[Enabled]


    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) .....................155 160
    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 ...................... [Extreme] << After you get going, you can try extreme as I always use it and never have issues at any setting even 2100+ Try Extreme
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ [10] << Set x10 = 1600Mhz
    DRAM Timing Selectable (SPD) .......... [Expert]

    Channel A + B + C

    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ......................6
    tRCD .......................................7
    tRP .........................................6
    tRAS .......................................18

    Below values may be left in Auto if you like, generally this is fine. For those users who DO Set advanced timings manually, please see some of my thoughts and findings about these settings and rules here
    XtremeSystems Forums - View Single Post - Gigabyte EX58-UD5/Extreme Discussion Thread

    ##Channel A Advanced Timing Control##
    tRC ........................................ (Should be = tRAS + tRP or above for stability)
    tRRD .......................................
    tWTR ...................................... (Must be Write to Read Delay/Same Rank - (tWL + 4)
    tWR ........................................
    tWTP ....................................... (tWTP Must = tWR + tWL + 4)
    tWL ........................................ (tWL Must be CAS Latency -1)
    tRFC .......................................
    tRTP .......................................
    tFAW ......................................
    Command Rate (CMD) ................

    ##Channel A Misc Timing Control##
    Round Trip Latency ...................



    Advanced Voltage Control:

    CPU
    Load Line Calibration ................. [Level 1] Do not have Disabled option << Set Level 1
    CPU Vcore ...............................[1.30625] << You will need to find what your CPU needs, stock manually set may work for 3.4 but not sure? Try 1.225-1.36 should be enough. if you get 101 BSOD Codes though and you are at 1.36 then you need more still though so don't take those as a limit.

    QPI/VTT Voltage 1.150v ............1.315 << Set, you will need 1.3-1.45+ for this memories timings
    CPU PLL 1.800v .......................1.800v Auto would be fine on this, but check in Easytune to be sure it is not getting set over stock. Or just set 1.8

    MCH/ICH
    PCIE 1.500v ...........................Auto
    QPI PLL 1.100v .......................1.16 << 1.14-1.2 should be good (I always use 1.24-1.35 Set 1.24
    IOH Core 1.100v .....................1.20 << Set 1.2-1.24
    ICH I/O 1.500v .......................Auto
    ICH Core 1.1v ........................1.2 << 1.14-1.2

    DRAM
    DRAM Voltage 1.500v ..............1.66v << 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]




    I know this system should be able to do better than this. I have raised a number of voltages as LSD suggests, but to no avail. They all seem to cause instability.

    Help!!
    Last edited by ed1; 12-15-2009 at 10:02 AM.

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