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Thread: Help Oc'ing a GA-EP45-DS3R




  1. #1
    Join Date
    Aug 2008
    Posts
    49

    Default Help Oc'ing a GA-EP45-DS3R

    Hello,

    Here is an oldie, but goodie.

    My System:
    MOBO: GA-EP45-DS3R (Bios v F10)
    CPU: Q9450 @ 2.66
    RAM: 4GB OCZ DDR2 @ 1066 (2x2Gb)
    GPU: ATI HD4870
    CPU Cooler: Tuniq Tower 120 CPU Cooler
    Power: Cooler MAster Real Power Pro 850w
    Chassis: Cooler MAster CM690
    OS: Windows Vista 32 bit

    I have been running stable for about 1 1/12 years now (thanks to ldsmeasap). I would like to OC to about 3 to 3.2.

    I am running Real temp 3.58 and getting 39-33 temps across all four cores at idle.

    Any help would be greatly appreciated.

    Thanks in Advance.

    Here are my BIOS settings:

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 8x
    Fine CPU Clock Ratio.....................:.0.0
    CPU Frequency ...........................: 2.666 Ghz
     
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Disabled] 
    CPU Host Frequency (Mhz) ............: 333 Mhz
    PCI Express Frequency (Mhz) .........: 100
    C.I.A.2 .................................:[Disabled]
     
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800
    PCI Express Clock Drive.................: 900
    CPU Clock Skew (ps)....................: 0ps 
    MCH Clock Skew (ps)...................: 150ps 
     
    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: 3.20B
    Memory Frequency (Mhz) ..............: 
    DRAM Timing Selectable ................: [Manual]
    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................18
     
    Advanced Timing Control
    tRRD...........................................3
    tWTR..........................................3
    tWR............................................4
    tRFC...........................................52
    tRTP...........................................3
    Command Rate (CMD) ....................:2
    Driving Strength Profiles
    Driving Strength ............................
    Channel A
    Static tRead Value.........................:8 [AUTO]
     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.........................:8 [AUTO]
     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
    CPU
    CPU Vcore….……….........................: 1.2125 [Auto]
    CPU Termination…..... 1.200V*.......: [Auto]
    CPU PLL…………………....1.500V*.......: << [AUTO]
    CPU Referen.…………....0.76V*.......: <<< [Auto]  
    CPU Reference2………,,0.760V*.......:<<< [AUTO]
    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.200
    MCH Reference….…….0.760V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.500V............: <<< Leave
    ICH Core…………...……1.100V............: <<< Leave
    DRAM
    DRAM Voltage ……....1.800V............: 2.000
    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............: [Disabled]
    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] 
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Enabled]

  2. #2
    Chike is offline Senior Member
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    Default Re: Help Oc'ing a GA-EP45-DS3R

    Read this post for suggested manual stock settings (apart those you already changed).
    Also follow steps 1, and 4, for additional information taht will help.

    Was the 150ps MCH Clock skew nesessary for stanility at 333MHz FSB?

  3. #3
    Join Date
    Aug 2008
    Posts
    49

    Default Re: Help Oc'ing a GA-EP45-DS3R

    Chike,

    Thanks.

    I believe the 150ps MCH Clock skew was necessary for stablity (chech your spelling) because I was using 2x2GB @ 2.0 volts.

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Help Oc'ing a GA-EP45-DS3R

    I don't think you needed the MCH Skew at 333 FSB really, but you might have?


    Try this for 3.2

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto or fast
    CPU Clock Ratio ..........................: 8x
    Fine CPU Clock Ratio.....................:.0.0
    CPU Frequency ...........................:3.2 Ghz

    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Disabled] << Enabled
    CPU Host Frequency (Mhz) ............: 401 Mhz
    PCI Express Frequency (Mhz) .........: 100
    C.I.A.2 .................................:[Disabled]

    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800
    PCI Express Clock Drive.................: 900
    CPU Clock Skew (ps)....................: 0ps
    MCH Clock Skew (ps)...................: 0ps

    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: 2.66D
    Memory Frequency (Mhz) ..............: 1066
    DRAM Timing Selectable ................: [Manual]
    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................18

    Advanced Timing Control
    tRRD...........................................3
    tWTR..........................................3-4
    tWR............................................4-5
    tRFC...........................................52-54
    tRTP...........................................3
    Command Rate (CMD) ....................:2
    Driving Strength Profiles
    Driving Strength ............................1066
    Channel A
    Static tRead Value.........................:8 [AUTO] << Set this, 8-9, may need to be 9
    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.........................:8 [AUTO] << Set this, 8-9, may need to be 9
    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
    CPU
    CPU Vcore….……….........................: 1.2125 [Auto] << Set, try 1.25-1.4
    CPU Termination…..... 1.200V*.......: [Auto] << Set, try 1.25-1.34
    CPU PLL…………………....1.500V*.......: << [AUTO] 1.5-1.54 should be good
    CPU Referen.…………....0.76V*.......: <<< [Auto]
    CPU Reference2………,,0.760V*.......:<<< [AUTO]
    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.2-1.24
    MCH Reference….…….0.760V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.500V............: <<< Leave
    ICH Core…………...……1.100V............: <<< 1.14-1.2
    DRAM
    DRAM Voltage ……....1.800V............: 2.0-2.1
    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............: [Disabled]
    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]
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Enabled]

  5. #5
    Join Date
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    Default Re: Help Oc'ing a GA-EP45-DS3R

    Thanks guys.

    LSD,

    I'll try your settings.

    However, I already took the pics from Easy Tune, Memset, Core Temp, and CPU-Z. Do I add them as images or as attachments in here?

    Thanks again
    MOBO: GA-EP45-DS3R (BIOS F10)
    CPU: Q9450 @ 2.66 (OC'd to 3.21Ghz)
    CPU Cooler: Tuniq Tower 120
    RAM: OZC 4GB Platinum @1066 (2x2Gb)
    GPU: ATI HD6850
    Power: Cooler Master Real Power Pro 850w
    Chassis: Cooler Master CM 690
    OS: Windows Vista 32 bit

  6. #6
    Chike is offline Senior Member
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    Default Re: Help Oc'ing a GA-EP45-DS3R

    You can attach images if they are small enough or use a media sharing service like TinyPic, ImageShack, or Photobucket, and post their links.
    Last edited by Chike; 03-27-2010 at 06:52 PM.

  7. #7
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Help Oc'ing a GA-EP45-DS3R

    It would be easier to upload them somewhere, as opposed to attaching them here because you can only attach one image at a time.

    Upload them to imageshack or tinypic, then put them here in image tags like shown below

    [img]Direct URL to Image Here[/img]

  8. #8
    Join Date
    Aug 2008
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    Default Re: Help Oc'ing a GA-EP45-DS3R

    I just wanted to thank you guys.

    I finally got around to doing this. My machine is now running @ 3.2 and the core temps max out @ 49-50c. If I want to push alittle more, is the CPU Vcore the only number I need to raie? or are their correlations between this and the MCH and ICH cores? Is there a good guide somewhere about overclocking that I should read?

    Thanks Again
    MOBO: GA-EP45-DS3R (BIOS F10)
    CPU: Q9450 @ 2.66 (OC'd to 3.21Ghz)
    CPU Cooler: Tuniq Tower 120
    RAM: OZC 4GB Platinum @1066 (2x2Gb)
    GPU: ATI HD6850
    Power: Cooler Master Real Power Pro 850w
    Chassis: Cooler Master CM 690
    OS: Windows Vista 32 bit

  9. #9
    Chike is offline Senior Member
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    Default Re: Help Oc'ing a GA-EP45-DS3R

    If 50c is Prime95 max core temp you have plenty to go.
    How do you want to push it, multiplier or FSB?
    Please post full settings.

  10. #10
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Help Oc'ing a GA-EP45-DS3R

    There is tons of guides out there, just google P45 overclocking guide and you should find plenty.

    If you want us to help let us know your current settings you are trying, and what speed you want to shoot for. It really depends on how far you want to go as to what settings you will need to change.

    Nice to see you are stable now though!

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