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Thread: Q9550 + EP45-UD3P, need help hitting 4 Ghz please




  1. #161
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    It looks like you only tested with MCH reference settings one step higher and one step lower than the default setting. Try up to 4 steps higher and see if Prime95 runs for a longer period of time. If your system isn't stable with these tests, try several steps lower.

    I said that some find 2.00B to be less stable than the 2.00D memory strap. I never had stability problems using the 2.00B strap with CPU Host Frequency up to 525MHz.

    Some have run their EP45 setups up to 550 - 600MHz!!!
    My E6550 cpu couldn't do more than 525MHz.

    Yes, 5-5-4-12 is tighter than 5-5-5-15 memory settings. This is worth trying after you've tired the reference settings test mentioned at the beginning of this post.

    Performance Enhance = Turbo failed with my EP45 mobo but works like a champ with my P35 mobo. Trying the turbo setting should be done only after you've reached your final stable overclock.

    With your EP45-UD3P, a Q9550 can usually o/c to 3.8 - 3.9GHz without much trouble. Lesser quad processors usually have a much lower maximum cpu multiplier and many of these quads are lucky if they can o/c to 3.4 - 3.6GHz.

    With your Q9550, Cpu degradation probably means that your cpu will only last 8 - 10 years versus a longer lifespan with lower cpu volts. My preference is to run my cpu just a few clicks higher (cpu voltage) than the point where a cpu requires significantly higher voltage just to increase FSB a small amount. For example, my E6300 requires modest cpu voltage increases from 2.8GHz to 3.4GHz, but requires significantly more voltage to get to 3.5 - 3.6GHz. I'm not willing to pump 1.42 or higher volts just to be able to run at 3.7 - 3.9GHz, but this is just my personal preference.

    I doubt that faster DDR2 memory will help with your setup. DDR2 1200MHz memory is the fastest that I'm aware of. Ultra fast DDR2 memory will be very expensive. You might want to test with a different set of memory just to verify that your G.Skill memory isn't causing problems. Most high quality (Cas4) 800MHz memory will run at the same speeds as 1066 memory. I would be very surprised if your current memory is causing your problems.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  2. #162
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    Mmmm interesting, well, I'm pretty darn sure that 4 GHz would not last with a Vcore of 1.42, but it might be worth a shot if I increase the DRAM voltage as well and try to tweak the MCH reference up to 4 steps up or down.

    I'll give that a try, at least I'm fully stable at 3.8 right now :) Muchos Gracias

    EDIT:

    BIG PROGLEM!

    I set the FSB to 475, increased the DRAM voltage to 2.12 and the Vcore to 1.425, rebooted and now the PC won't post!

    It gets to the Gigabyte screen, when I click on Del to get to the BIOS nothing happens, screen turns black and PC shuts itself down and won't boot, it just keeps resetting itself and shutting down.

    help
    Last edited by Zach_; 05-20-2011 at 12:47 AM.
    CPU: i5 2500K @ 4.5GHz (45x100 1.35V) ~ BIOS 10.5
    Motherboard: MSI Z77A-GD65
    Memory: 2x4GB Corsair Vengeance DDR3-1600 9-9-9-24
    GPU: XFX Radeon 7950 Black Edition 3GB
    Soundcard: Native Instruments Audio 8 DJ
    HDD: WD 1TB Caviar Blue
    Cooling: Zalman CNPS10X Extreme
    PSU: Seasonic X-650 80+ Gold
    Case: Corsair Obsidian 650D

    OS: Windows 7 Ultimate x64
    Gamepad: Microsoft XBOX360 Wireless Controller + Wireless Gaming Receiver
    Wireless Set: Logitech Cordless Desktop LX710
    Monitor: LG 42LE5300 42" Led FHDTV [1080p @ 60Hz]

  3. #163
    profJim's Avatar
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    You'll need to clear your CMOS.
    Power off your system and turn off your psu at the back of the unit.
    Press and hold your front panel on/off switch for 15 - 20 seconds to discharge any stored power.
    Put a jumper block on the two mobo CLR_CMOS pins. You might need to leave the jumper block on for up to 20 minutes.
    Remove the jumper block, turn on your system and pray.

    Once you're back to your 3.8GHz settings, try much smaller 5 - 10MHz changes.
    When trying 475MHz, did you make any other bios changes in addition to DRAM voltage?

    **edit** Forgot to add, after the CMOS is cleared, you'll need to load a saved bios profile or manually enter your bios settings.
    Be sure to load Optimized Bios defaults before you restore your bios settings.
    Last edited by profJim; 05-20-2011 at 01:19 AM.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  4. #164
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    I increased Vcore to 1.425 and VTT to 1.34 and DRAM voltage to 2.12

    Somehow I was able to boot it up and then tried Vcore 1.4375 and set DRAM voltage back to 2.10 and then it wouldn't boot again so I know it was caused by lack of Vcore and not by an overload of memory voltage.

    Eventually, I was able to boot up the PC without clearing the CMOS... just unplugged the PSU and cleared the electricity, took several tries but I'm up again at 3.8...

    This is really strange, in the past I was able to boot up 4 GHz with 1.425 Vcore but now it seems like it can't...

    If this is the case, maybe I just need to stop at 3.8?

    P.S. Now I get the advantage of using ET6, you can increase the voltage without hard setting it in your BIOS and risk the PC not booting up... I stopped using it for some reason...
    Last edited by Zach_; 05-20-2011 at 01:31 AM.
    CPU: i5 2500K @ 4.5GHz (45x100 1.35V) ~ BIOS 10.5
    Motherboard: MSI Z77A-GD65
    Memory: 2x4GB Corsair Vengeance DDR3-1600 9-9-9-24
    GPU: XFX Radeon 7950 Black Edition 3GB
    Soundcard: Native Instruments Audio 8 DJ
    HDD: WD 1TB Caviar Blue
    Cooling: Zalman CNPS10X Extreme
    PSU: Seasonic X-650 80+ Gold
    Case: Corsair Obsidian 650D

    OS: Windows 7 Ultimate x64
    Gamepad: Microsoft XBOX360 Wireless Controller + Wireless Gaming Receiver
    Wireless Set: Logitech Cordless Desktop LX710
    Monitor: LG 42LE5300 42" Led FHDTV [1080p @ 60Hz]

  5. #165
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    I personally don't like the idea of tweaking from within windows, the possibility of corrupting your boot drive is much higher. I'd rather deal with my system going into a boot loop and not having to restore my boot partition from a saved image.

    Bad joke: Maybe you need to upgrade your psu
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  6. #166
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    Hehe good one :D

    Seriously though, I can't take the chance of my system not booting up again, the thought of all the components powering up at once so many times freaks me out... and I'm not sure I wanna set 1.45 Vcore in the BIOS, even though I was told it should be fine because CPU-Z will read 1.41-1.42.

    It's so weird that the difference is merely 175 MHz and it needs so much more Vcore to power up...

    Professional advice please: Stay at 3.8 or keep going up?
    Last edited by Zach_; 05-20-2011 at 01:44 AM.
    CPU: i5 2500K @ 4.5GHz (45x100 1.35V) ~ BIOS 10.5
    Motherboard: MSI Z77A-GD65
    Memory: 2x4GB Corsair Vengeance DDR3-1600 9-9-9-24
    GPU: XFX Radeon 7950 Black Edition 3GB
    Soundcard: Native Instruments Audio 8 DJ
    HDD: WD 1TB Caviar Blue
    Cooling: Zalman CNPS10X Extreme
    PSU: Seasonic X-650 80+ Gold
    Case: Corsair Obsidian 650D

    OS: Windows 7 Ultimate x64
    Gamepad: Microsoft XBOX360 Wireless Controller + Wireless Gaming Receiver
    Wireless Set: Logitech Cordless Desktop LX710
    Monitor: LG 42LE5300 42" Led FHDTV [1080p @ 60Hz]

  7. #167
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    Try for 3.910GHz (460 x 8.5), but....
    Leave memory at 2.10 volts
    Test your current 3.8GHz settings for stability with MCH Core 2 - 3 clicks higher first.
    Sometimes your system will reset to stock bios settings after 3 - 5 boot loops.
    Don't worry about a few boot loops with all your components powering on & off.
    It's possible that you'll be pleasantly surprised with the 2.00B memory strap.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  8. #168
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    Ok, I'll give it another shot and update :)
    CPU: i5 2500K @ 4.5GHz (45x100 1.35V) ~ BIOS 10.5
    Motherboard: MSI Z77A-GD65
    Memory: 2x4GB Corsair Vengeance DDR3-1600 9-9-9-24
    GPU: XFX Radeon 7950 Black Edition 3GB
    Soundcard: Native Instruments Audio 8 DJ
    HDD: WD 1TB Caviar Blue
    Cooling: Zalman CNPS10X Extreme
    PSU: Seasonic X-650 80+ Gold
    Case: Corsair Obsidian 650D

    OS: Windows 7 Ultimate x64
    Gamepad: Microsoft XBOX360 Wireless Controller + Wireless Gaming Receiver
    Wireless Set: Logitech Cordless Desktop LX710
    Monitor: LG 42LE5300 42" Led FHDTV [1080p @ 60Hz]

  9. #169
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    I just noticed that you're using a Western Digital hard drive.
    Are you aware that you can download and install a free version of Acronis True Image WD Edition Software to use for disk/partition imaging, cloning or backup?
    I don't use the it's windows software to save partition images of my ssd, I prefer to use the bootable version from my optical drive.

    You can download the software from WD Support -- Acronis True Image download and you need to have a WD drive connected to your system to install the software.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  10. #170
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    Hello all,

    Sorry for the 2 weeks break, I was in a little vacation :)

    I have tried some numerous attempts at hitting 4GHz, all of which ended at bot failures and BSODs... I therefore decided that 3.8 GHz is enough and I think I'm going to keep the overclock as it is.

    I am able to run all the latest games on high resolutions with very high in game settings thanks to my champion 6950(70).

    Thanks for all your help, and I'll make sure to come back and visit :)
    CPU: i5 2500K @ 4.5GHz (45x100 1.35V) ~ BIOS 10.5
    Motherboard: MSI Z77A-GD65
    Memory: 2x4GB Corsair Vengeance DDR3-1600 9-9-9-24
    GPU: XFX Radeon 7950 Black Edition 3GB
    Soundcard: Native Instruments Audio 8 DJ
    HDD: WD 1TB Caviar Blue
    Cooling: Zalman CNPS10X Extreme
    PSU: Seasonic X-650 80+ Gold
    Case: Corsair Obsidian 650D

    OS: Windows 7 Ultimate x64
    Gamepad: Microsoft XBOX360 Wireless Controller + Wireless Gaming Receiver
    Wireless Set: Logitech Cordless Desktop LX710
    Monitor: LG 42LE5300 42" Led FHDTV [1080p @ 60Hz]

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