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Thread: Overclock with a Q9550 on a EP45-DS4




  1. #1
    Join Date
    Oct 2008
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    Default Overclock with a Q9550 on a EP45-DS4

    What are the best, or close to best settings to get that CPU (E0) to 3,7 - 4,0 Ghz?

    Oh, my mem-sticks: Mushkin XP2 8500 2x2GB (991599)

    And running Vista Ultimate X64, Bios F9.

    CPU is cooled by a Scythe Mugen Infinity 2.
    Last edited by Starbuck; 03-26-2009 at 04:29 AM.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Overclock with a Q9550 on a EP45-DS4

    Well all CPU's are different of course, have you gotten anywhere already? Just wondering if you had so you have a idea of starting CPU and CPU related voltages for a higher overclock.

    Here, try this for starters for 3.6 and then you can go from there. This will have your ram underclocked of course, just so you can get a good starting point for now

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto or Fast
    CPU Clock Ratio ..........................: 8
    Fine CPU Clock Ratio.....................:.5
    CPU Frequency ...........................: 3.612


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 425Mhz
    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 ..............: 2.00D (2.00B may work for you as well, it would be better but is harder to get stable often at high FSB) = 850Mhz (You may also try 2.40B for 1020, but more voltages and or looser timings may be needed to run your ram on the B Strap above 400 FSB, some will do it easy some will not)

    Memory Frequency (Mhz) ..............: 850Mhz
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................4/5
    tRCD .........................................4/5
    tRP'...........................................4/5
    tRAS..........................................12/15/18

    ^^ At 850Mhz, you may be able to use 444-12/15 or 544-12, ect ^^

    Advanced Timing Control
    tRRD...........................................3-4
    tWTR..........................................3-5
    tWR............................................4-6
    tRFC...........................................52-62
    tRTP...........................................3-5
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................800/1066 (Test/Benchmark both Last, set 1066 now should be ok)

    Channel A
    Static tRead Value.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH
    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.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH
    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….……….........................:1.25-1.36 (All up to your chip)

    CPU Termination…..... 1.200V*.......: <<< 1.2-1.36 (1.2-1.32 likely plenty)
    CPU PLL…………………....1.500V*.......: << 1.5-1.58

    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...........: << 1.2-1.3 (1.22-1.26 likely good)
    MCH Reference….…….0.800V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.550V............: <<< 1.5-1.6
    ICH Core…………...……1.100V............: <<< 1.1x-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............: [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

  3. #3
    Join Date
    Dec 2008
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    Default Re: Overclock with a Q9550 on a EP45-DS4

    Has anyone gotten a better overclock than 3.83 with a Q9550?

  4. #4
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    Oct 2008
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    Default Re: Overclock with a Q9550 on a EP45-DS4

    Nope, i didn't get started allready with this CPU, i had an E8400 that did 4.0Ghz 24/7. But i needed a Quad now, and i just had it delivered yesterday.

    I'm now running with the setting's you provided above and it's running Orhos stable for an hour now, at 3613Mhz. If it keeps stable after 12 hours i will move on and go towards 3.7 Ghz. I will keep you guys updated.

    But for now, thnx!

  5. #5
    Join Date
    Dec 2008
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    Default Re: Overclock with a Q9550 on a EP45-DS4

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Turbo
    CPU Clock Ratio ..........................: 8x
    Fine CPU Clock Ratio.....................:. +0.5
    CPU Frequency ...........................: 3.83GHz( 451x8.5)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 451
    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)....................: 0
    MCH Clock Skew (ps)...................: 0


    DRAM Performance Control
    Performance Enhance...................: Turbo
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [333MHz]
    System Memory Multiplier ..............: 2.00B
    Memory Frequency (Mhz) ..............: 902Mhz
    DRAM Timing Selectable ................: [Manual]

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

    Advanced Timing Control
    tRRD........................................... 4
    tWTR.......................................... 4
    tWR............................................ 6
    tRFC........................................... 54
    tRTP........................................... 4
    Command Rate (CMD) ....................: 2

    Driving Strength Profiles
    Driving Strength ............................ 1066 OCZ RAPTOR

    Channel A
    Static tRead Value.........................: 10
    tRD Phase0 Adjustment...................: 0
    tRD Phase1 Adjustment...................: 0
    tRD Phase2 Adjustment .................: 0
    tRD Phase3 Adjustment..................: 0
    Trd2rd(Different Rank)....................: 8
    Twr2wr(Different Rank)...................: 8
    Twr2rd(Different Rank)...................: 7
    Trd2wr(Same/Diff Rank)..................: 9
    Dimm1 Clock Skew Control...............: Auto
    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...................:<<< 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….……….........................: 1.3
    CPU Termination…..... 1.200V*.......: 1.2
    CPU PLL…………………....1.500V*.......: 1.5
    CPU Referen.…………....0.755V*.......: .805
    CPU Reference2………,,0.800V*.......: .800

    MCH/ICH
    MCH Core…………….....1.100V...........: 1.2
    MCH Reference….…….0.800V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.550V............: <<< 1.5-1.6
    ICH Core…………...……1.100V............: <<< 1.1x-1.2

    DRAM
    DRAM Voltage ……....1.800V............: 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............: [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

    GA-EP45-EXTREME
    Q9550
    8 GB OCZ Reaper Memory
    BW 760i
    2 3780 HD Crossfire
    OSX 10.5.6

  6. #6
    Join Date
    Oct 2008
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    5

    Default Re: Overclock with a Q9550 on a EP45-DS4

    Allright, the 3.6Ghz setup was fully stable for 20+ hours. I'm now running at 3,7Ghz with only a slight increase of voltage for CPU, the remaining settings i kept the same. So now we Orthos this setup en see what the result will be....

    Btw, i used your setting Xevius, but my system won't even boot with those. So i'm going to figure out how to come to 3,8 and beyond. But first 3,7Ghz has to be stable.

  7. #7
    Join Date
    Oct 2008
    Posts
    5

    Default Re: Overclock with a Q9550 on a EP45-DS4

    Little update and a little problem.

    I'm running at 3,7Ghz stable. I can test all i want, it always passes. Even the Intel burn test. But the problem that i have is the following:

    When i turn my pc off and turn it back on, minutes or hours later (no difference), then the Gigabyte screen shows up, en it keeps re-booting itself. When i kill the power to the PSU for about 10 seconds and flip it back on, the pc boots just fine! So whats the problem here?

    When i fix this problem i will try to push my CPU to 3,8Ghz.....

  8. #8
    Join Date
    Mar 2009
    Location
    Bucharest, Romania
    Posts
    140

    Default Re: Overclock with a Q9550 on a EP45-DS4

    Turn off "Full Screen Logo Show" to see the POST messages. Then you'll be able to see where exactly it crashes.

    PS. Are you the same Starbuck from DZ Board? If so, hey there mate, nice to see you around.
    Pro hardware technician for PC, Laptop and Sound equipment.

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