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Thread: Ga-EP45-UD3R - New to OC - Q6600 W/ Stock Heatsink




  1. #1
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    Default Ga-EP45-UD3R - New to OC - Q6600 W/ Stock Heatsink

    System Specs:
    CPU - Intel Q6600 G0 Stepping
    Mobo - GA-EP45-UD3R
    RAM - G. Skill DDR2 800 P.I. Black Link -> http://www.newegg.com/Product/Product.aspx?Item=N82E16820231209
    Hard Drive - Seagate 7200.11 640 Gb 32mb cache
    Video - Sapphire Radeon HD 4870x2
    PSU - Corsair TX750w
    I just purchased this system after saving and collecting Christmas money. I opted out of buying a heatsink, monitor, and OS. Good news is the 64-bit Windows 7 Beta is out, and it is working very well. I was having problems on XP 32-bit, but that's off-topic. I'd like to OC using the stock Intel Heatsink and my goal is to achieve 3.0 ghz. I have some questions: What is HPET? I set it to 64-bit since I run on a 64-bit system but are they even related? Is my goal even reasonable? What voltage ballpark should I be looking at? What should I know about my cpu/memory divider?

    What I've Done:
    I've reduced the Vcore from 1.325V to 1.25V and it has been stable running Prime95 so far. I would like to try to lower the voltage further to determine a baseline to overclock off of, but I don't know how severe the repercussions would be if I lowered them too much. I have lowered my maximum core temps under full load on each core by 4-4-6-6 degrees C on each core respectively. Currently running at 56-56-50-51 degrees under full load. I've set the PCI clock sync to 100 MHz, but are there any other options I should take off of auto and set to a fixed quantity? Thanks.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Ga-EP45-UD3R - New to OC - Q6600 W/ Stock Heatsink

    Hmm, 3Ghz may not be doable with acceptable temps on a stock cooler, but you can for sure run it and see how they are.

    HPET is High Precision Event Timer and yes you have set it correct for x64 >>>
    High Precision Event Timer - Wikipedia, the free encyclopedia

    There would not be any sever repercussions from lower your Vcore until you hit a failure point. The system would just start failing tests or fail to boot is all

    Well you should put performance enhance on standard, set your ram voltage, and then set MCH Voltage to 1.2-1.3 (1.22-1.26 likely good) and then overclock from there. And of course disable C1E and EIST

    Please do set your own Vtt (Termination), PLL, and Vcore. DO NOT USE Auto for those, especially Vtt and PLL as Auto way overvolts them

    If you need some help, let us know we can help for sure! If you do run into issues and feel you cannot solve them please do post your exact settings used here and we will post back some advised changes >>>>

    This is Just a template I use to ask people their settings, pay no attention to the numbers in it, replace with yours

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto or Fast
    CPU Clock Ratio ..........................: 
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 
    
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ............: Mhz
    PCI Express Frequency (Mhz) .........:Set to 100
    
    C.I.A.2 .................................:[Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800
    PCI Express Clock Drive.................: <<< 900
    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...............: [Auto]
    System Memory Multiplier ..............: 
    Memory Frequency (Mhz) ..............: 
    DRAM Timing Selectable ................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................
    tRCD .........................................
    tRP'...........................................
    tRAS..........................................
    
    Set all Suggested below to highest Values first.  Then later you can lower, one at a time, testing as you go
    
    Advanced Timing Control
    tRRD...........................................
    tWTR..........................................
    tWR............................................
    tRFC...........................................
    tRTP...........................................
    Command Rate (CMD) ....................:2
    
    Driving Strength Profiles
    Driving Strength ............................
    
    Channel A
    Static tRead Value.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH
     tRD Phase0 Adjustment...................:Auto <<< 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.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH
     tRD Phase0 Adjustment...................:Auto <<< 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….……….........................:Auto if not overclocking, if you are overclocking please do find and set your own voltages
    
    CPU Termination…..... 1.200V*.......: << If overclocking Please set to stock, Auto overvolts this way to much.  Optimal range for overclock would be 1.2-1.5 depending on Vcore, try to keep at least .1 under vcore.  Auto is fine if not overclocking
    
    CPU PLL…………………....1.500V*.......: << If overclocking Please set to stock, Auto overvolts this way to much.  Optimal range for overclock would be 1.5-1.65.  Auto is fine if not overclocking
    
    CPU Referen.…………....0.755V*.......: <<< .64% Of Vtt (Termination above) Auto Will set this correctly 
    
    CPU Reference2………,,0.800V*.......:<<< .67% Of Vtt (Termination above) Auto Will set this correctly 
    
    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............: 
    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] Enabled if you use Vmware/Virtual PC
    
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled] *Note* Must be enabled to flash from USB

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