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Thread: Q9550 @ 500FSB On EP45-UD3P...




  1. #1
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    Default Q9550 @ 500FSB On EP45-UD3P...

    I have to say after reading many posts on this subject I wonder how many people with this CPU motherboard combo have hit this number?

    I see many posts, but not many on actual stable systems.

    I was wondering if any links are available to read more about these components achieving this..

    [SIGPIC][/SIGPIC]

    Intel Q9550 (C1 Stepping) @ 4GHZ 500FSB

    Thermalright Ultra 120mm & IC 7 Carat with 120mm Logisys Green LED fan.

    Gigabyte EP45-UD3P (Rev 1.0)

    8 Gigs OCZ Platinum PC-8500 (5-5-5-18)

    2 Western Digital 250 gigs 16mb Cache SATA II's Raid-0 Array

    Vista Ultimate 64 bit Operating System

    PC Power & Cooling Silent 610 watt SLI certified
    80 PLUS

    Cooler Master CM 690 (Nvidia Edition)

    Case Cooling: 3 120mm Logisys Green LED fans, 2 120mm Panaflow top mounted extractors and 1 Cooler Master Silent front mounted Green LED120mm fan

    EVGA GTX 260 (Stock Speed)

  2. #2
    Acebmxer's Avatar
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    Default Re: Q9550 @ 500FSB On EP45-UD3P...

    q9550-ud3p-part-deux-quest-500-fsb

    Did you read this thread?
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  3. #3
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    Default Re: Q9550 @ 500FSB On EP45-UD3P...

    I looked at it, but to be honest the voltage settings are quite low.

    I see he has an E0 stepping CPU so it makes sense to be somewhat on the low side, but they still seem a little low for stability.
    [SIGPIC][/SIGPIC]

    Intel Q9550 (C1 Stepping) @ 4GHZ 500FSB

    Thermalright Ultra 120mm & IC 7 Carat with 120mm Logisys Green LED fan.

    Gigabyte EP45-UD3P (Rev 1.0)

    8 Gigs OCZ Platinum PC-8500 (5-5-5-18)

    2 Western Digital 250 gigs 16mb Cache SATA II's Raid-0 Array

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    Cooler Master CM 690 (Nvidia Edition)

    Case Cooling: 3 120mm Logisys Green LED fans, 2 120mm Panaflow top mounted extractors and 1 Cooler Master Silent front mounted Green LED120mm fan

    EVGA GTX 260 (Stock Speed)

  4. #4
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    Default Re: Q9550 @ 500FSB On EP45-UD3P...

    My current snapshot of system voltages with C1 stepping.

    These settings are stable under OCCT 3.1..
    [SIGPIC][/SIGPIC]

    Intel Q9550 (C1 Stepping) @ 4GHZ 500FSB

    Thermalright Ultra 120mm & IC 7 Carat with 120mm Logisys Green LED fan.

    Gigabyte EP45-UD3P (Rev 1.0)

    8 Gigs OCZ Platinum PC-8500 (5-5-5-18)

    2 Western Digital 250 gigs 16mb Cache SATA II's Raid-0 Array

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    Cooler Master CM 690 (Nvidia Edition)

    Case Cooling: 3 120mm Logisys Green LED fans, 2 120mm Panaflow top mounted extractors and 1 Cooler Master Silent front mounted Green LED120mm fan

    EVGA GTX 260 (Stock Speed)

  5. #5
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    Default Re: Q9550 @ 500FSB On EP45-UD3P...

    CPU and FSB speed..

    Idle temps 28-29C to full load 70C..

    The voltages listed in ET6 are showing higher than what the actual voltage is under CPU speed if you compare the two pictures..

    ET6 as well as all programs to determine temps and voltages are inaccurate to some degree they are to be used as a guidline only.
    Last edited by Storm2313; 08-04-2009 at 10:31 AM.
    [SIGPIC][/SIGPIC]

    Intel Q9550 (C1 Stepping) @ 4GHZ 500FSB

    Thermalright Ultra 120mm & IC 7 Carat with 120mm Logisys Green LED fan.

    Gigabyte EP45-UD3P (Rev 1.0)

    8 Gigs OCZ Platinum PC-8500 (5-5-5-18)

    2 Western Digital 250 gigs 16mb Cache SATA II's Raid-0 Array

    Vista Ultimate 64 bit Operating System

    PC Power & Cooling Silent 610 watt SLI certified
    80 PLUS

    Cooler Master CM 690 (Nvidia Edition)

    Case Cooling: 3 120mm Logisys Green LED fans, 2 120mm Panaflow top mounted extractors and 1 Cooler Master Silent front mounted Green LED120mm fan

    EVGA GTX 260 (Stock Speed)

  6. #6
    Acebmxer's Avatar
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    Default Re: Q9550 @ 500FSB On EP45-UD3P...

    Quote Originally Posted by Storm2313 View Post
    I looked at it, but to be honest the voltage settings are quite low.

    I see he has an E0 stepping CPU so it makes sense to be somewhat on the low side, but they still seem a little low for stability.
    yes but every cpu is different. I had a 9550 c1 the bust i could do was 3.85 b/c i only had ddr2 800 ram and a p5q pro mb. i should pop it in this board and see what i can get it to do.

    Also on a side note i just started to o.c. this cpu with the f10E bios and either something is bugged but im running 480 fsb at 1.26 vtt and 1.24 nb and it seems stable sofar i cant play any games atm just had surgery on my wrist. what im getting at if your not using it, try it it seems realy good to me.

    Edit- just saw your pics those voltages are at there max i would not push it any higher. is load line on?
    Last edited by Acebmxer; 08-04-2009 at 10:28 AM.
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  7. #7
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    Default Re: Q9550 @ 500FSB On EP45-UD3P...

    I think you need to take into account that under ET6 you get different readings, as well as under the bios when you boot up..

    Please look at the window with cpu speed and fsb and you will see the cpu voltage is 1.4 under ET6 under voltages its 1.44 (showing a variance and yes I do have load line enabled.

    I have to say that being cautious with your components is a good thing, as long as you realize that a spark still makes a fire...

    (No matter if you overclock 10% or 50% it's risky to overclock regardless of voltages, settings, and temps used) Think about it no cpu manufacturer supports overclocking

    I'm sure we all have a point at which we say we won't increase voltage anymore or I'm content with what I gained however I have to say in the time I have been overclocking (Give or take 10 years with a multitude of hardware) I myself have never exceeded the components abilitys basically due to common sense..

    It's your system and your right you have different stepping than I, but don't limit yourself with unproven theory of over volting right away. You have a great system with high quality components. I believe cooling is important and voltage is also for you to reach a 42% overclock on your chip..
    [SIGPIC][/SIGPIC]

    Intel Q9550 (C1 Stepping) @ 4GHZ 500FSB

    Thermalright Ultra 120mm & IC 7 Carat with 120mm Logisys Green LED fan.

    Gigabyte EP45-UD3P (Rev 1.0)

    8 Gigs OCZ Platinum PC-8500 (5-5-5-18)

    2 Western Digital 250 gigs 16mb Cache SATA II's Raid-0 Array

    Vista Ultimate 64 bit Operating System

    PC Power & Cooling Silent 610 watt SLI certified
    80 PLUS

    Cooler Master CM 690 (Nvidia Edition)

    Case Cooling: 3 120mm Logisys Green LED fans, 2 120mm Panaflow top mounted extractors and 1 Cooler Master Silent front mounted Green LED120mm fan

    EVGA GTX 260 (Stock Speed)

  8. #8

    Default Re: Q9550 @ 500FSB On EP45-UD3P...

    pretty stable for me



  9. #9
    kick's Avatar
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    Default Re: Q9550 @ 500FSB On EP45-UD3P...

    From all the threads here for quite a few months you will see all 45nm quad core chips running a max fsb of 490-510 for 24/7 on air on the UD3 boards.
    This pretty much equates to a cpu oclock of 50% approx (from original cpu speed)
    That seems to be the general experience.
    Some cpus such as my own may need a higher vtt/pll something to do with 2 E5200 linked needing higher fsb voltages or wotever.
    If you disect all the posts further youll notice all the 500mhz (2000 fsb) 45 quads need above 1.35 V cpu .
    getting your overclock to run stable at 5-10mhz above what your going to use for 24/7 is good, like Ive done 505-510, stable 520 not so stable.

    Mine went 490 almost straight out of the box..,500 seems like a good number..after that its just tweaking.
    Last edited by kick; 08-04-2009 at 08:13 PM.
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  10. #10
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    Default Re: Q9550 @ 500FSB On EP45-UD3P...

    Nice job!!

    I have to try using the 8.5 multiplier its nice to see someone else being honest about the voltage requirements.

    I get quite frustrated reading how right away people post that your using high voltages when they don't take into account variables such as Vdroop and program readings fluctuation.

    500-510 FSB on a quad is quite impressive regardless of voltages used, and considering people can run them stable at that speed 24/7 is icing on the cake!!
    [SIGPIC][/SIGPIC]

    Intel Q9550 (C1 Stepping) @ 4GHZ 500FSB

    Thermalright Ultra 120mm & IC 7 Carat with 120mm Logisys Green LED fan.

    Gigabyte EP45-UD3P (Rev 1.0)

    8 Gigs OCZ Platinum PC-8500 (5-5-5-18)

    2 Western Digital 250 gigs 16mb Cache SATA II's Raid-0 Array

    Vista Ultimate 64 bit Operating System

    PC Power & Cooling Silent 610 watt SLI certified
    80 PLUS

    Cooler Master CM 690 (Nvidia Edition)

    Case Cooling: 3 120mm Logisys Green LED fans, 2 120mm Panaflow top mounted extractors and 1 Cooler Master Silent front mounted Green LED120mm fan

    EVGA GTX 260 (Stock Speed)

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