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Thread: OCing a Q9550 on a GA-EP45-DS3R




  1. #1
    Join Date
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    ohio, usa
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    Question OCing a Q9550 on a GA-EP45-DS3R

    hello everyone. first post here. have done some looking around before i have decided to start this thread. i havent seen any others with such related issue. im fairly new to the building/ocing world been at it about a year.
    ive just gotten me a nice Q9550 cpu. i have the gigabyte ga-ep45-ds3r mobo. i have been able to get the OC upto 3.83ghz. it is a very nice OC but i want more 4.1- 4.3ghz. i just dont think this board will let me. or i dont knwo enough to get it there as of yet.
    the only thing i have tweaked is my vcore,mch,and mem volts.

    here is my system

    GA-EP45-DS3R 1.0rev
    Q9550 @ 3.61ghzSLB8V
    1.29vcore in bios
    Batch #L846B715
    Corsair Dominator DDR2 1066
    OCZ Vendetta 2 with 120mm fan
    Corsair TX650w PSU with a 120mm fan
    Nvidia GeForce 7600gt with a 60mm fan
    CM RC690 6 case FANS 5x120mm 1x140mm

    vcor in bios is set at 1.29
    mch(which is NB right) is set at 1.28v
    mem volts are at + .3v puting my mem at 2.1v
    ive heard alot of people talk about turning off LLC or turning it on.
    and some talking about adjusting the GTL's???
    im not familure with what all this does or if this boad can do those things. so im asking for some help learning this board and what it can and cant do..

    thanks alot.
    rob.

  2. #2
    Chike is offline Senior Member
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    Default Re: OCing a Q9550 on a GA-EP45-DS3R

    Post your current full settings using the template in this post or the one below it. Setting that do not apply to your board you can delete.

    I have no idea how high those quads clock, but IMO it is unlikely to get 4GHz+ on air with a quad. What are your current load temps and what of load is it?

  3. #3
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    Default Re: OCing a Q9550 on a GA-EP45-DS3R

    CPU = Q9550 EO
    Motherboard = GA-EP45-DS3R, REV 1.0
    BIOS Version =F10
    Ram = CORSAIR DDR2 1066(PC8500) 2X1GB 5-5-5-18

    i know that off the top of my head. as for the rest i dont know how to get all that infor from my bios in that scrollable window like it is.

    as for how high of a OC for the Q9550 EO i know alot of people who have the UD3P mobo they are getting 4.0-4.5ghz on air. more toward the 4.2ghz on a average.


    i will try and figure out how to get all that other info tonight when i get home from work.
    GA-EP45-UD3P 1.6rev
    Q9550 @ 451x8.5 3.83ghz SLB8V 1.296 vcore in bios
    Batch #L846B715
    G-Skill ddr2 1066 2x1gb running at 1082mhz??
    OCZ Vendetta 2 with 120mm fan
    Corsair HX650w PSU with a 120mm fan
    Nvidia GeForce 8800 GTS
    WD2500AAKS
    WD3200AAKS
    WD500GB GP
    WD1001FALS
    All housed in the Big Red Hemi
    CM HAF 922 1X200MM,2X200MM RED LED & 1x140mm rear fan
    Burners=
    Sony Optaric Nec AD7220S
    Sony Optaric Nec AD7240S
    Lite-on IHAS324-9-A x2

  4. #4
    Acebmxer's Avatar
    Acebmxer is offline Gigabyte Elite
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    Default Re: OCing a Q9550 on a GA-EP45-DS3R

    Copy the template from the link and past it into note pad. save that to your desktop. print out if need or get a piece of paper. reboot renter bios and fill in your specs. exit reboot into windows fill in what you copied from your bios and then copy and past into here between these [code] copy here [/ code]. That will make it have its on window like appearance. Sorry but that is the only way to get that info. You can get some info from either ET6, Memset, CPu-z but they will sometimes report wrong values.
    Main Rig
    Gigabyte z87x-OC
    Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
    G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
    HiS ATI HD 6950
    Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
    Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
    Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
    CORSAIR CMPSU-850TX PSU
    Swiftech MCP655-B Pump
    EK Supremacy Cpu Block
    Swiftech Mcres Micro Rev 2 Reservoir
    Black Ice GTX Xtreme 360 Radiator





  5. #5
    Acebmxer's Avatar
    Acebmxer is offline Gigabyte Elite
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    Default Re: OCing a Q9550 on a GA-EP45-DS3R

    Also depending how good your HS is and how well that board will overclock but you might wanna read this thread if you havent already q9550-ud3p-part-deux-quest-500-fsb Q9550 is a good overclocker but all depends on your equipment. Like said above post what ever settings your having trouble getting stable and/or your current settings.
    Main Rig
    Gigabyte z87x-OC
    Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
    G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
    HiS ATI HD 6950
    Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
    Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
    Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
    CORSAIR CMPSU-850TX PSU
    Swiftech MCP655-B Pump
    EK Supremacy Cpu Block
    Swiftech Mcres Micro Rev 2 Reservoir
    Black Ice GTX Xtreme 360 Radiator





  6. #6
    Join Date
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    ohio, usa
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    Default Re: OCing a Q9550 on a GA-EP45-DS3R

    something interesting here. i jsut got my corsair ddr2 1066 mem about 2 weeks ago. i dont have them OC'd any, but the past 3 days it has shut down 3 times rebooting just fine. i get the error saying windows has recovered from a serious error(bsod) but it dont blue screen on me just shuts down and fires back up...... could this be a memory problem?

    i havent gone into bios yet to get all the info from the mobo for he OC. i had some mushkin ddr2 800(4-5-4-11) in it and ran fine. just wonder if this is caused from the mem or the CPU oc???? im at work now so there aint much i can do to it right now.
    GA-EP45-UD3P 1.6rev
    Q9550 @ 451x8.5 3.83ghz SLB8V 1.296 vcore in bios
    Batch #L846B715
    G-Skill ddr2 1066 2x1gb running at 1082mhz??
    OCZ Vendetta 2 with 120mm fan
    Corsair HX650w PSU with a 120mm fan
    Nvidia GeForce 8800 GTS
    WD2500AAKS
    WD3200AAKS
    WD500GB GP
    WD1001FALS
    All housed in the Big Red Hemi
    CM HAF 922 1X200MM,2X200MM RED LED & 1x140mm rear fan
    Burners=
    Sony Optaric Nec AD7220S
    Sony Optaric Nec AD7240S
    Lite-on IHAS324-9-A x2

  7. #7
    Chike is offline Senior Member
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    Default Re: OCing a Q9550 on a GA-EP45-DS3R

    Could be that they need some tweaking to be stable.
    Often some changes need to be made to MCH Core for more than 1x2GB of memory.
    Usually it will stabilize with MCH Core in the range of 1.2-1.26v, In less common case less than the default is needed 1.05-0.95v.
    Too much is not good either so best is to increase it one step at a time starting with 1.2v and run Memtest86+ for several hours before booting to windows, then a nightly run of customized Prime95 not in=place large FFT torture will ensure stability with higher level of certainty.

  8. #8
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    Default Re: OCing a Q9550 on a GA-EP45-DS3R

    thats funny you say that about to much MCH, cause i think i have mine right now at 1.3-1.32 maybe 1.28 not 100% sure but i know its not at 1.2.
    with the help so far here and from the other thread i linked this one to there is alot of info there that is broken down real easy to understand. im going to go back into it and start from the begining and go from there. it is alot differnet to OCing a quad vs. a c2d(which i had a E8400 that this Q9550 replaced.)
    GA-EP45-UD3P 1.6rev
    Q9550 @ 451x8.5 3.83ghz SLB8V 1.296 vcore in bios
    Batch #L846B715
    G-Skill ddr2 1066 2x1gb running at 1082mhz??
    OCZ Vendetta 2 with 120mm fan
    Corsair HX650w PSU with a 120mm fan
    Nvidia GeForce 8800 GTS
    WD2500AAKS
    WD3200AAKS
    WD500GB GP
    WD1001FALS
    All housed in the Big Red Hemi
    CM HAF 922 1X200MM,2X200MM RED LED & 1x140mm rear fan
    Burners=
    Sony Optaric Nec AD7220S
    Sony Optaric Nec AD7240S
    Lite-on IHAS324-9-A x2

  9. #9
    Chike is offline Senior Member
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    Default Re: OCing a Q9550 on a GA-EP45-DS3R

    1.3+ MCH for stock settings?

  10. #10
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    Default Re: OCing a Q9550 on a GA-EP45-DS3R

    oh im not at stock right now im at 3.61ghz
    425x8.5 is what ihave the freq at mem is set at 5-5-5-18
    vcore is around 1.29-1.32v mem volts are +.3(2.1) and mch is around 1.3-1.32?
    GA-EP45-UD3P 1.6rev
    Q9550 @ 451x8.5 3.83ghz SLB8V 1.296 vcore in bios
    Batch #L846B715
    G-Skill ddr2 1066 2x1gb running at 1082mhz??
    OCZ Vendetta 2 with 120mm fan
    Corsair HX650w PSU with a 120mm fan
    Nvidia GeForce 8800 GTS
    WD2500AAKS
    WD3200AAKS
    WD500GB GP
    WD1001FALS
    All housed in the Big Red Hemi
    CM HAF 922 1X200MM,2X200MM RED LED & 1x140mm rear fan
    Burners=
    Sony Optaric Nec AD7220S
    Sony Optaric Nec AD7240S
    Lite-on IHAS324-9-A x2

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