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Thread: OC'ing Q9650 on EP45T-DS3R




  1. #1
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    Default OC'ing Q9650 on EP45T-DS3R

    Getting the most out of my system:

    Intel Core2 Quad Q9650 @ 3GHz / Gigabyte GA-EP45-DS3R / 8 GB (2GB x 4) Corsair XMS3 DDR3 TW3X4G1600C9DHX / 2 Radeon 4870 (Crossfired) / 300GB Western Digital Raptor 10000 rpm / Samsung DVD-RW / 750W Corsair PSU / CoolerMaster Hyper 212 Heatsink /Windows Vista 64

    I wanted to know what would be the the highest Ghz that I can get from my CPU and what settings I would need for it to be stable on Air Cooling. I'm also interested in OC'ing my RAM and what settings I need to obtain that also. Thanks in advance for any help that you can provide.

    I got this following info from a post that Lsdmeasap wrote but the other user had DDR2 800 RAM. Please help me adjust the settings so that I get the most out of my DDR3 RAM also.


    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto or FAST
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 4000

    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 445 Mhz
    PCI Express Frequency (Mhz) .........:Set to 100
    C.I.A.2 .................................:[Disabled]

    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 900 mv
    PCI Express Clock Drive.................: 900mv
    CPU Clock Skew (ps)....................: 50-1500 ps
    MCH Clock Skew (ps)...................: 50-250 ps

    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 333
    System Memory Multiplier ..............: 2.40B or 2.66D with much looser ram timings (Speed will be 1183 unless you back off FSB) Or use 2.00D for a much more stable overclock and ram at 890-900Mhz and then you could likely use 544-12/15 for your ram timings

    Memory Frequency (Mhz) ..............: 1068
    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..........................................3-7
    tWR............................................ 4-8
    tRFC...........................................58-85
    tRTP........................................... 3-8
    Command Rate (CMD) ....................: 2

    Driving Strength Profiles
    Driving Strength ............................800-1200

    Channel A
    Static tRead Value.........................:6/7-10 for 333/B MCH (9-12 for 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 for 333/B MCH (9-12 for 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….……….........................: 1.375-x.xx More or less may be needed, as this is not actual value

    CPU Termination…..... 1.200V*.......: 1.34-1.38
    CPU PLL…………………....1.500V*.......: 1.5-1.55
    CPU Referen.…………....0.755V*.......: AUTO
    CPU Reference2………,,0.800V ........: AUTO

    MCH/ICH
    MCH Core…………….....1.100V...........: 1.25-1.35
    MCH Reference….…….0.800V...........; AUTO
    MCH/DRAM Ref.…......0.900V...........: AUTO
    ICH I/O……………….....1.550V............: 1.55-1.64
    ICH Core…………...……1.100V............: 1.1x-1.25

    DRAM
    DRAM Voltage ……....1.800V............: 2.0-2.1
    DRAM Termination .…0.900V............: AUTO
    Channel A Reference 0.900V............: AUTO
    Channel B Reference 0.900V............: AUTO

    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Disabled] << Enabled
    CPU Enhanced Halt (C1E)................: [Disabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Disabled] << ENABLED
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]
    Last edited by Lsdmeasap; 03-05-2009 at 05:34 PM. Reason: adding some words to make it readable

  2. #2
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    Default Re: OC'ing Q9650 on EP45T-DS3R

    Sorry, I meant to put a different title addressed to LSDMEASAP but I just put his name and nothing else. WHOOPS!
    Last edited by Lsdmeasap; 03-05-2009 at 05:35 PM.

  3. #3
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    Default Re: OC'ing Q9650 on EP45T-DS3R

    Not the best manners there ;)
    With very good cooling you can do 4.2+GHz if you know what you're doing. In your case I would probably aim for 3.8GHz first.
    Last edited by Lsdmeasap; 03-05-2009 at 05:35 PM.


  4. #4
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    Default Re: OC'ing Q9650 on EP45T-DS3R

    Very sorry. I wasn't trying to be rude. My bad. What should I set my DDR3 RAM Bios settings to?
    Last edited by Lsdmeasap; 03-05-2009 at 05:36 PM.

  5. #5
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    Default Re: OC'ing Q9650 on EP45T-DS3R

    Try to max out the CPU and then do the RAM. If you try to do both at the same time you never know which one it is that is causing Prime to fail....

    Also, I hope you have an EP45T DS3R, the one without the T is only for DDR2. If you have a DDR2 board coutn yourself lucky and return/sell the DDR3 and buy some DDR2. Undfortunately DDR3 brings no performance advantage to Core 2 systems.

    Here’s an explanation I wrote on the reason why running memory faster than the FSB does not bring much of a performance benefit (DDR3 is always running faster than the FSB, if not you're running it at DDR2 speeds with worse latency...):
    Memory is linked to the northbridge and the northbridge forwards data to the CPU (via the FSB). Now the bandwidth of the RAM to NB is the same as the bandwidth of the FSB if the 2.0 system memory multiplier is used, i.e. DDR2 667 for a 333MHz (1333 quad-pumped) FSB CPU, DDR2 800 for a 400MHz FSB CPU. If you increase the RAM speed without increasing the FSB, data is transferred faster to the NB from RAM, but the NB can't pass it on any faster to the CPU than before though resulting in no real performance benefit (there's a litte benefit actually, as latency is improved if RAM speed goes up, but it's small ~5% or so).
    If you're not overclocking get DDR2 800 RAM, if you plan on overclocking in the future get 1066 DDR2 (runs at 533 MHz so you can increase your FSB to 533 (2133 quad pumped) without having to overrclock the RAM). The reason why faster DDR2 RAM exists is solely for overclocking purposes, as slower will limit the maximum overclock of your CPU.
    Last edited by Lsdmeasap; 03-05-2009 at 05:37 PM.


  6. #6
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: OC'ing Q9650 on EP45T-DS3R

    Sorry for the late reply, I have been backed up for a while now and am still trying to catch up!!

    What would you like the title to be and I can change it.

    What cooler do you have anyway? And yes, for sure exactly which board model do you have?

    Can you also please fill out the settings template with the exact settings you are using, and what speed you wish to try to run and I will advise back
    Last edited by Lsdmeasap; 03-05-2009 at 05:37 PM.

  7. #7
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    Default Re: OC'ing Q9650 on EP45T-DS3R

    Title Request: OC'ing Q9650 on EP45T-DS3R

    I'll take down my settings and put them up in 20 mins. Wish I had a printer so that I could easily right everything down. DOH!
    Last edited by Lsdmeasap; 03-05-2009 at 05:36 PM.

  8. #8
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    Default Re: Please help me OC my Q9650 on my EP45T-DS3R

    The motherboard I have does support DDR3 (EP45T-DS3R). I also want to OC my RAM if that will help me with FPS in gaming. Is there anything I can do on my BIOS settings to OC my 2 Visiontek 4870 (512mb each)? I'm running Bios Version F2. Thanks in advance for the help.

    **my bios didn't show some of the options you wanted me to fill out so I wrote **DON'T SEE THIS OPTION** next to them.


    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Turbo
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................: 0
    CPU Frequency ...........................: 3.82GHZ (425x9)

    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 425 Mhz
    PCI Express Frequency (Mhz) .........: Set to 100
    C.I.A.2 .......................................:[Disabled]

    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 900 mv
    PCI Express Clock Drive.................: 900mv
    CPU Clock Skew (ps)....................: 50-1500 ps
    MCH Clock Skew (ps)....................: 50-250 ps

    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: **MY BIOS DOESN'T SHOW THIS**
    (G)MCH Frequency Latch...............: AUTO
    System Memory Multiplier ..............: AUTO
    Memory Frequency (Mhz) ..............: 1066 1360
    DRAM Timing Selectable ................: [AUTO]

    Standard Timing Control
    CAS Latency Time.........................: 7 AUTO
    tRCD ..........................................: 7 AUTO
    tRP'............................................: 7 AUTO
    tRAS..........................................: 20 AUTO

    Advanced Timing Control
    tRRD...........................................: 4 AUTO
    tWTR..........................................: 4 AUTO
    tWR............................................: 8 AUTO
    tRFC...........................................: 60 AUTO
    tRTP...........................................: 4 AUTO
    Command Rate (CMD) ....................: 0 AUTO

    Driving Strength Profiles
    Driving Strength ............................**DON'T SEE THIS OPTION**

    Channel A
    Static tRead Value.........................: 9 AUTO
    tRD Phase0 Adjustment...................: 0 AUTO
    tRD Phase1 Adjustment...................: 1 AUTO
    tRD Phase2 Adjustment ..................: 0 AUTO
    tRD Phase3 Adjustment...................: 0 AUTO
    Trd2rd(Different Rank).....................: 9 AUTO
    Twr2wr(Different Rank)....................: 7 AUTO
    Twr2rd(Different Rank)....................: 7 AUTO
    Trd2wr(Same/Diff Rank)...................: 10 AUTO
    Dimm1 Clock Skew Control...............:**DON'T SEE THIS OPTION**
    Dimm2 Clock Skew Control...............: **DON'T SEE THIS OPTION**

    Channel B
    Static tRead Value.........................: 9 AUTO
    tRD Phase0 Adjustment...................: 0 AUTO
    tRD Phase1 Adjustment...................:**DON'T SEE THIS OPTION**
    tRD Phase2 Adjustment ..................:**DON'T SEE THIS OPTION**
    tRD Phase3 Adjustment...................:**DON'T SEE THIS OPTION**
    Trd2rd(Different Rank)....................:**DON'T SEE THIS OPTION**
    Twr2wr(Different Rank)...................:**DON'T SEE THIS OPTION**
    Twr2rd(Different Rank)....................:**DON'T SEE THIS OPTION**
    Trd2wr(Same/Diff Rank)...................:**DON'T SEE THIS OPTION**
    Dimm1 Clock Skew Control................:**DON'T SEE THIS OPTION**
    Dimm2 Clock Skew Control................:**DON'T SEE THIS OPTION**

    Motherboard Voltage Control
    Voltage Type.………...
    CPU
    CPU Vcore….………..................: 1.26250V AUTO
    CPU Termination…..................: 1.200V AUTO
    CPU PLL…………………................: 1.500V AUTO
    CPU Referen.…………................: 0.760V AUTO
    CPU Reference2…...................:**DON'T SEE THIS OPTION**

    MCH/ICH
    MCH Core…………….....: 1.100V AUTO
    MCH Reference….…….: 0.760V AUTO
    MCH/DRAM Ref.…......: 0.750V AUTO
    ICH I/O………………......: 1.500V AUTO
    ICH Core…………...…….:**DON'T SEE THIS OPTION**

    DRAM
    DRAM Voltage ……......: 1.500V AUTO
    DRAM Termination .....: 0.750V AUTO
    Ch-A DATA VRef........: 0.750V AUTO
    Ch-B DATA VRef........: 0.750V AUTO
    Ch-A Address VRef.....: 0.750V AUTO
    Ch-B Address VRef.....: 0.750V AUTO

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

  9. #9
    kick's Avatar
    kick is offline Senior Member
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    Default Re: OC'ing Q9650 on EP45T-DS3R

    Since your mbrd can use ddr2 or ddr3 ram,when u have ddr3 in some of the options may not be needed/apply and the bios blanks them out?.
    Im not going to get any ddr3 till I get the i7 or whatevers out when I upgrade but I did check some reviews when I was buying my board.

    "As our benchmarks show the benefit of corsairs finest ddr3 running at 1,800 mhz,is marginal over standard 800mhz/1066 ddr2,in normal applications,though gamers should note the big boost available in demanding titles like Crysis." (big fps boost) (pcplus magazine).

    On the gx card (grats) I think most people just use a utility such as rivatuner.

    ^Heh,even tho the post title was unintentional,it sure makes everyone check it out
    Last edited by Lsdmeasap; 03-05-2009 at 05:38 PM.
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

  10. #10
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    Default Re: OC'ing Q9650 on EP45T-DS3R

    /bump
    Last edited by Lsdmeasap; 03-05-2009 at 05:38 PM.

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