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Thread: GA-EP45-UD3P Rev. 1.1 F6 Q9550 4GHz




  1. #1
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    Default GA-EP45-UD3P Rev. 1.1 F6 Q9550 4GHz

    Hello all, i'm back again to oc a Q9550 to 4GHz! Because my current E8400 4GHz just isn't getting the job done for me anymore.

    Right now im extremely stable (no bsod in over a year) and my max temps are only 57c, which they could be better.. but i had to replace my zalman fan and put a titan fenrir xmas edition cooler on it, the rpms are slower so a new 120mm fan might be needed(2200).

    My goal for this q9550 is a 4GHz stable overclock, i need a 471FSB speed i believe and right now i have a stable 445FSB E8400, in theory i should only have to touch VTT and core voltage, not the ram correct? cause its timed perfectly (thanks to the 2008 members on here :p)

    You can ask me any question you desire, right now i'm going to be picking the processor up from the store so ill be gone for about an hour, and probably another hour to get the proc dropped into place on my mobo ;p

    any help would be appreciated

    Edit: I will not be using EasyTune6, i will be in the bios. And i will only be testing with Prime95, speedfan, realtemp, and possibly intel burn in test(if necessary).
    Last edited by Shadowbad; 06-21-2010 at 01:38 AM.
    Antec 1200 case
    GA-EP45-UD3P Rev. 1.1 F6
    E8400 @ 445X9 4.00GHz 1.36250v core. vtt 1.280v.
    Patriot Extreme Performance 4GB 5-5-5-15 1066 2.1v
    BFG Tech 285 GTX OC (702/1584/1332)
    BFG Tech PSU LS 550W quad 12v rails
    Zalman CNPS9700-NT 2800rpm @ 35 dBA

  2. #2
    Chike is offline Senior Member
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    Default Re: GA-EP45-UD3P Rev. 1.1 F6 Q9550 4GHz

    Quote Originally Posted by Shadowbad View Post
    My goal for this q9550 is a 4GHz stable overclock, i need a 471FSB speed i believe and right now i have a stable 445FSB E8400, in theory i should only have to touch VTT and core voltage, not the ram correct? cause its timed perfectly (thanks to the 2008 members on here :p)
    Practically we need to see your settings to answer this. If you are using 2.40B multiplier you will probably need to use 2.00x, and tRD is likely to change too.

  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-EP45-UD3P Rev. 1.1 F6 Q9550 4GHz

    MCH Voltage may need increased as well, but like Chike said we really would need to see your full settings before we could say for sure but you shouldn't have too much to change aside from those few things as you test for stability

  4. #4
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    Default Re: GA-EP45-UD3P Rev. 1.1 F6 Q9550 4GHz

    Whoa sorry for not replying sooner, me and dad had a really busy fathers day ;p but anyways lets get down to business shall we? here are the requested specs.

    ive had it on all day, i tested prime 95 for the length of a shower, letting it run large ffts for 1 minute each test. 67c was max on core 0.. i wasn't too happy with seeing that, but whatever theres always my 4GHz c2d.

    Also this Q9550 IS E0. Just in case it matters. I slapped these specs in and so far its stable without choppyness during games, and it doesnt have a hint of failure while starting up, took about 2 hours total to pull my c2d out and put my c2q in and oc it to these specs. Now you may be thinking why am i still asking, well i want to know if there is more stable specs or possibly if i can get my ram running higher than 942Mhz. (the next option is 1142 i believe which i didnt test cause it seems out of reach for stability reasons).

    Patriot Extreme Performance 4GB 5-5-5-15 1066 2.1v is my ram.

    Any other questions i will be happy to answer, thank you guys for the responses :]

    Code:
    RGB Turbo
    Cpu ratio 8x
    fine cpu ratio 0.5
    cpu frequency 4.00GHz (471x8.5)
    
    cpu host control enabled
    cpu host frequency(MHz) 471
    pci express frequency(MHz) 100
    cia2 Disabled
    advanced clock control cpu clock drive 800mV pci express clock drive 900mV cpu clock skew 0pS mch clock skew 0pS
    
    performance enhance Turbo
    XMP disabled
    (G)MCh frequency latch 333MHz
    system memory multiplier 2.00B
    memory frequency(MHz) 1066 942
    dram timing selectable manual
    cas latency time 5
    trcd 5
    trp 5
    tras 15
    advanced timing control all set on auto
    
    load-line calibration enabled
    cpu vcore 1.16250v 1.32500v
    cpu termination 1.200v 1.300v (Must set cpu termination to 1.200 first before setting mch reference)
    cpu pll 1.500v normal
    cpu reference 0.760v 0.863v
    
    mch core 1.100v 1.360v
    mch reference 0.760v 0.863v (Must set cpu termination to 1.200 first before setting mch reference)
    ich i/o 0.900v auto
    ich core 1.500v auto
    
    dram voltage 1.800v 2.100v
    dram termination 0.900v auto
    channel a reference 0.900v auto
    channel b reference 0.900v auto
    Last edited by Shadowbad; 06-21-2010 at 04:25 PM.
    Antec 1200 case
    GA-EP45-UD3P Rev. 1.1 F6
    E8400 @ 445X9 4.00GHz 1.36250v core. vtt 1.280v.
    Patriot Extreme Performance 4GB 5-5-5-15 1066 2.1v
    BFG Tech 285 GTX OC (702/1584/1332)
    BFG Tech PSU LS 550W quad 12v rails
    Zalman CNPS9700-NT 2800rpm @ 35 dBA

  5. #5
    Chike is offline Senior Member
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    Default Re: GA-EP45-UD3P Rev. 1.1 F6 Q9550 4GHz

    Looks ok, see what memory Performance Level is with MemSet, it's possible you can lower it few levels.

  6. #6
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    Default Re: GA-EP45-UD3P Rev. 1.1 F6 Q9550 4GHz

    I'm not sure how to use memset but the controls were pretty straight forward for running it ;p if i missed something let me know and ill post asap.
    Antec 1200 case
    GA-EP45-UD3P Rev. 1.1 F6
    E8400 @ 445X9 4.00GHz 1.36250v core. vtt 1.280v.
    Patriot Extreme Performance 4GB 5-5-5-15 1066 2.1v
    BFG Tech 285 GTX OC (702/1584/1332)
    BFG Tech PSU LS 550W quad 12v rails
    Zalman CNPS9700-NT 2800rpm @ 35 dBA

  7. #7
    Chike is offline Senior Member
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    Default Re: GA-EP45-UD3P Rev. 1.1 F6 Q9550 4GHz

    tRFC 60 should be sufficient, looks as it it's not set auto, and you may try to lower Static tRead Value to 9 (currently set to 10).

  8. #8
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    Default Re: GA-EP45-UD3P Rev. 1.1 F6 Q9550 4GHz

    ah well the timings 5-5-5-15 are manually set but everything else in the bios is auto.. and actually adjusting those would "I" see any performance? if i'm not going to see any performance difference then it wont bother me to tweak it, but is there any possible way to get higher stable mhz out of this ram? its 1066 ram but its running at 942 (as you can see) how much performance am i actually losing? and is it worth the tweaking effort?

    Edit: The ram doesnt like being oc'd into the 1100s, i found this out with my c2d build.
    Last edited by Shadowbad; 06-21-2010 at 07:24 PM.
    Antec 1200 case
    GA-EP45-UD3P Rev. 1.1 F6
    E8400 @ 445X9 4.00GHz 1.36250v core. vtt 1.280v.
    Patriot Extreme Performance 4GB 5-5-5-15 1066 2.1v
    BFG Tech 285 GTX OC (702/1584/1332)
    BFG Tech PSU LS 550W quad 12v rails
    Zalman CNPS9700-NT 2800rpm @ 35 dBA

  9. #9
    Chike is offline Senior Member
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    Israel
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    Default Re: GA-EP45-UD3P Rev. 1.1 F6 Q9550 4GHz

    Depands on what you do, changes won't be very noticeable though. Both the changes I have mentioned should not effect stability.
    Auto should have set tRFC to 61 by default.

  10. #10
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    Default Re: GA-EP45-UD3P Rev. 1.1 F6 Q9550 4GHz

    well thats kind of weird.. that memset shows 68 but cpu-z shows 60... which one to believe when its set to auto in the bios? lol

    (and what i do on the computer is play games/stream hd movies through 100ft of hdmi/encode 1080p.)
    Antec 1200 case
    GA-EP45-UD3P Rev. 1.1 F6
    E8400 @ 445X9 4.00GHz 1.36250v core. vtt 1.280v.
    Patriot Extreme Performance 4GB 5-5-5-15 1066 2.1v
    BFG Tech 285 GTX OC (702/1584/1332)
    BFG Tech PSU LS 550W quad 12v rails
    Zalman CNPS9700-NT 2800rpm @ 35 dBA

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