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Thread: Sistem Overclock




  1. #1
    Join Date
    Sep 2008
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    Exclamation Sistem Overclock

    Hello, i've bought last week a new computer, but went for the "customized sistem" and had each part taken from different places and stores etc.

    After a week of "normal running" i thought to try a little overclocking on it.
    But first, i noticed that my memory was actually running on the 800 frequency instead of 1066. Ok, so first i'll need to fix that and after it, if anybody wants to come with suggestions for the processor overclock and something else i'll be more then gratefull.

    So, i've search some topics till i got lost and found out that i must manually set the 2.2 V on the I/O Voltage in Bios and also set the trfc to 52-56. Still, these were the suggestions for a 2x2gb kit and i have a 2x1Gb. I didn't played with the trfc beeing afraid not to ruin it.

    My sistem is :

    Intel Core2Duo E7200 @ 2,54 Ghz / 3 Mb buffer @ 1200 Mhz freq if i'm not wrong ( Socket 775 )
    Gigabyte EP45-DS3 Motherboard
    2x1GB DDR 2 @ 1066 Mhz Kingston Hyper X
    ATI Radeon EAH 3650 TOP 256 Mb DDR 3 PCI-E 2.0 - Video
    Seagate Baraccuda 500 Gb Serial ATA 2 , 32 MbBuffer Hdd

    Raidmax Smilodon Case with a pretty good airflow ( 2 side panel coolers 8 cm, 2 coolere front & rear 12 cm + hdd cooler , etc )
    470 W Thermaltake Power suply

    So i have a brand from each main topic from here :D but..i'm a bigger fan of Gigabyte so i've posted here :)

    My sistem temperature (BIOS) is 25 Celsius and CPU 31 ( box cooler with only 850 rpm ... )

    I know you'll ask me more info but i want to say first that my bios is set to " Load Optimal Settings "

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Sistem Overclock

    Do not set 2.2 for IO voltage! I like Raidmax as well!!

    Here is some ranges for you to play with for stock CPU clocks and 1066 ram speed >>>>


    As for overclocking I would suggest you first read thru the pinned guides In this section, and get to know your BIOS and board better. Then decide on what you want to run CPU at and I can give you some ranges to try


    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: [Autp]
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.5
    CPU Frequency ...........................: 2.53


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 266Mhz
    PCI Express Frequency (Mhz) .........:Set to 100

    C.I.A.2 .................................:[Disabled]


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<<
    PCI Express Clock Drive.................: <<<
    CPU Clock Skew (ps)....................: <<<
    MCH Clock Skew (ps)...................: <<<


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [266] << 333 may work better with your ram
    System Memory Multiplier ..............: 4.00
    Memory Frequency (Mhz) ..............: 1066
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................15/18

    Advanced Timing Control
    tRRD...........................................3-5
    tWTR..........................................3-6 (May need 8-12)
    tWR............................................6-8 (May need 8-14)
    tRFC...........................................38-40 (42-45)
    tRTP...........................................3-6
    Command Rate (CMD) ....................:2

    Channel A
    Static tRead Value.........................:7-10
    tRD Phase0 Adjustment...................:<<< Leave for all below as well
    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.........................:7-10
    tRD Phase0 Adjustment...................:<<< Leave for all below as well
    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

    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................:
    CPU Termination…..... 1.200V*.......: <<< Leave
    CPU PLL…………………....1.500V*.......: <<< Leave
    CPU Referen.…………....0.755V*.......: <<< Leave
    CPU Reference2………,,0.800V*.......:<<< Leave

    MCH/ICH
    MCH Core…………….....1.100V...........: <<
    MCH Reference….…….0.800V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.550V............: <<< Leave
    ICH Core…………...……1.100V............: <<< Leave

    DRAM
    DRAM Voltage ……....1.800V............: Set to what your ram sticker says, Likely 2.0 or 2.1V

    DRAM Termination .…0.900V............: <<< Leave
    Channel A Reference 0.900V............: <<< Leave
    Channel B Reference 0.900V............: <<< Leave

    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Disabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]

  3. #3
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    Default Re: Sistem Overclock

    Mhm, i don't understand, i found on a different site

    "
    At 1066 MHz DDR, the Kingston HyperX PC2-8500 DDR2 series offers the highest memory clock speed at latencies of 5-5-5-15 with a rated command rate of 1T. Of course, to reach that clock speed, Kingston recommends an I/O voltage of 2.2V.
    At the standard 1.8V I/O voltage, Kingston rates these modules at 800 MHz DDR. If your motherboard cannot support the I/O voltage of 2.2V, then you may have to run at this speed.


    "




  4. #4
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    Default Re: Sistem Overclock

    Mhm, i don't understand, i found on a different site

    "At 1066 MHz DDR, the Kingston HyperX PC2-8500 DDR2 series offers the highest memory clock speed at latencies of 5-5-5-15 with a rated command rate of 1T. Of course, to reach that clock speed, Kingston recommends an I/O voltage of 2.2V.
    At the standard 1.8V I/O voltage, Kingston rates these modules at 800 MHz DDR. If your motherboard cannot support the I/O voltage of 2.2V, then you may have to run at this speed.
    "

    So..how do i make my ram to run at 1066 without trfc and voltage modifications? ..



  5. #5
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Sistem Overclock

    Must be some translation error maybe. That Voltage comment is meant for "DRAM Voltage"

    The ICH I/O is your South bridge and has nothing to do with ram and should be left alone, for sure not set to 2.2

    I would set your ram to 2.1, as 2.2 is not likely needed

    Get your PDF here, and it will be correctly worded >>>
    Kingston Technology Company - <img src=/hyperx/new_image_files/titlebar_title_ddr2.gif> -

    Each module pair has been tested to run at DDR2- 1066MHz at a latency timing of 5-5-5-15 at 2.2V. The SPD is programmed to JEDEC standard latency 800Mhz timing of 5-5-5-18 at 1.8V. Each 240-pin DIMM uses gold contact fingers
    and requires +1.8V.

  6. #6
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    Default Re: Sistem Overclock

    Thank you, still..i had that I/O set up for 2.2 V for an hour (didn't played anything or something that uses the CPU ) I hope it's still ok, now it's back to 1,8....

  7. #7
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    Default Re: Sistem Overclock

    Thank you, still..i had that I/O set up for 2.2 V for an hour (didn't played anything or something that uses the CPU ) I hope it's still ok, now it's back to 1,8....

    If you can please delete my double post ( my internet is running low so it apeared 2 times after an F5 ) Maybe i'm too tired but i can't find the edit button.

  8. #8
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    Default Re: Sistem Overclock

    Ok, so i've changed my dram voltage to 2.2 (turned pink in the bios - is that ok ?) from 1.8. The value is still at 800 mhz. Is there anything else i must change? I have the F9 version of bios for EP45-DS3

  9. #9
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    Default Re: Sistem Overclock

    Quote Originally Posted by ColdFireMGD View Post
    Ok, so i've changed my dram voltage to 2.2 (turned pink in the bios - is that ok ?) from 1.8. The value is still at 800 mhz. Is there anything else i must change? I have the F9 version of bios for EP45-DS3

    You ideally need to back that off! If you do need a higher voltage than 1.8volts then 2.1volts really should be your limit.

    Here's an OCZ explanation as to why...

    http://www.ocztechnologyforum.com/fo...ad.php?t=40963
    Last edited by VorLonUK; 09-27-2008 at 09:16 PM.
    GA-P35C-DS3R Rev2.0 F11 bios, E8200 (@3.0Ghz), OCZ DDR3 PC3-10666 Reaper 4GB (@1200Mhz), Xonar D1, 8800GTS 512, Corsair HX520 (Single 12volt line, Max 40A), WDC 3200aaks/5000aaks in AHCI mode, Vista 64 Premium.

  10. #10
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    Default Re: Sistem Overclock

    Ok, so i've made all the bios settings above. I must say thow that not all the options were in my bios ( like the Advanced settings category, i don't think i missed it ) and gave the lower values from the one recomanded like...at the timiming control : twtr : 3-6 ( may need 8-12) i chose 3 or at the chanell static read value 7-10 i gave 7. Well...nothing's changed in everest or sandra. Still running at 800

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