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




  1. #101
    Chike is offline Senior Member
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    20c above idle is about what they had. I can only assume that if DT from ambiant would stretch so would idle to load, and it didn't.

    I just re-calibrated my sensors and tested 3.82GHz. DT from idle was about 24c with Prime95 and 38c with LinX, idle temps are +9c from ambiant

  2. #102
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    Chike, I'm about 20C above my ambient with P95 and around 30 above with IBT... sounds about the same, I guess its the difference in ambiance temp...

    Thanks for the reply Jim, I'm not stuck at 3.6, it's perfectly stable, passed 10 cycles of IBT with 3200MB at 48-49 GFlops and 8 hours of excruciating blend test on Prime 95 :)

    Had to attend a birthday party last night so no time for testing, but it's going to be a rainy weekend so I'll have plenty of time to move up towards 3.8 and of course will provide updates :)

    About the PSU, I AM running games at at least 1920x1080 and on high or highest settings for long periods of time (Probably will be highest now with the 6950...), playing anything below that with a 42" TV is just missing out I feel, so I will need a new PSU because I don't want to push it too much, I'm going to sell it.

    I might add a second 6950 in a year or so if games get more demanding, so it might be worth it to upgrade my PSU, the X-750 looks like a really good choice, question is, is 750W enough for 2 6950s?

    Or should I just buy a 1000W Antec and be done with it? :) Thanks
    Last edited by Zach_; 05-13-2011 at 08:14 PM.
    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. #103
    profJim's Avatar
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    Check out reviews that include 6950/6970 crossfire power loads when overclocked while playing demanding games with highest quality game settings.

    Seasonic also sells an 850 watt psu. As I recall, at least one of the Antec 1200 watt power supplies had excellent rating reviews from HardwareSecrets, JonnyGuru and other "best" psu review sites. Most newer Antec power supplies have good to excellent reviews, check them out. I think that 1000 - 1200 watt power supplies are only needed with a three or four video cards. Before you upgrade your psu, see how much power your system draws under a worst case scenario.

    For about $50 - $60 (USD), you can buy a fan controller or LED unit that will accurately show your psu power consumption. My Zalman ZM-MFC2 controller displays psu supplied wattage, but it has very limited field of view and isn't the easiest to read.
    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. #104
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    Thanks I'll go over some reviews and see what to choose, btw, did you upgrade your PSU again?! Your signature says Antec TP-750, just a few days ago you bought the X-650, didn't you?

    Edit:

    Well just read a review about the 6950 in CFX: http://www.guru3d.com/article/radeon...irex-review/14

    The maximum draw of 2 cards when at full 100% load (They stopped using Furmark as it stresses the GPU far more than any other game can and increases wattage by 50-100W per card) is:

    Measured power consumption

    Note: We'll be calculating the GPU power consumption here, not the total PC power consumption.

    i7 965/X58 @ 3.75 GHz

    System in IDLE = 184W
    System Wattage with GPU in FULL Stress = 473W
    Difference (GPU load) = 289W
    Add average IDLE wattage ~ 40W
    Subjective obtained GPU power consumption = ~ 329 Watts

    They recommend 750W for an SLI setup and 850W to be on the safe side if you are using a high end system and plan on doing overclocking.

    I think I will probably move on to an i7 and a new board at some point next year, so what should be my choice, 750 or 850?
    Last edited by Zach_; 05-13-2011 at 08:54 PM.
    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. #105
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    Many newer video cards are "aware" of FurMark like programs and they will automatically throttle the gpu power draw to limit possible damage/wear and tear.

    It looks like their crossfire test was with stock settings.
    They haven't included data for your probable 6970 "free" bios flash upgrade.

    You're looking at buying an expensive, top tier psu that should easily last for five or more years. How much more power will be required if you upgrade to the new high end video cards in 2 - 4 years?

    My best guesstimate; 650 watts is ok for now, but another psu upgrade will probably be needed sooner, rather than later.
    750 watts will be fine for at least 2 - 3 years, maybe longer.
    850 - 900 watts gives you more breathing room for possible future needs.
    PSU efficiency is usually highest when your system is running with 40 - 80% psu loads.

    I think your best bet is to see if your current psu is able to meet your needs with using high/very high gaming settings. If so, then you don't have to quickly run out and buy a new psu. Can you sometimes buy high quality cpu hardware at sale prices?

    I haven't had time to clean up my inbox or to update my forum signature with my new psu, memory (8GB of HyperX T1 ddr2 1066), or DVD.

    Are you using an SSD as a boot drive? It is a huge improvment!!
    Check out http://forums.tweaktown.com/gigabyte...light=agility2 where I got many excellent forum suggestions for my SSD upgrade.
    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. #106
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    Hey Jim,

    I am not using an SSD, standard HDD, they are reaallllly expensive here...

    About the card, 750W should be sufficient for every single high end card in the next 2-3 years I'm sure, but for Crossfire, I feel it might come short and 850W will be needed.

    I tried plugging in my 6950 and game for like 15 minutes on highest settings and it worked fine... but I can't be sure that it will not crash on me a week from now... besides, after 2.5 years some upgrades are needed for my rig, so a new PSU is not such a problem to purchase especially if I buy the 850W which should last me for at least 5 years from now I believe.

    Let's say my system draws 500W today approximately at full load, if I add a second 6950 (Which will also be unlocked to 6970) in like a year from today that's 160W extra, plus I'll probably upgrade my CPU to an i7 and a new motherboard and with an i7 the overclock will surely pass 4.2 GHz so power will be needed. So I'm assuming I will need like 300W extra? that comes to about 850W from my 525W today...

    The X-850 is expensive in here indeed, actually its like 270 USD, but I would be getting a PSU that can keep up for at least five years and I'll probably sell my Enermax for like 60 USD so that will help a bit. Sale prices? They hardly exist when it comes to computer parts around here...

    On the other hand, I might not even go for a Crossfire setup, but then again, I'd like having the option to do so.

    And even without Crossfire, I will be able to purchase the next high-end card without worrying about the PSU.

    What do you think? I can afford the 850 if need be. Plus I really liked this quote from HardwareSecrets:

    On top of that, due to its highly overspec’ed components, we could easily pull 1,000 W from it.
    So, 750 or 850? :)
    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. #107
    profJim's Avatar
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    From HardwareSecrets:
    What a power supply! What a power supply! For the first time we can say that we found a flawless 650 W power supply. It presents efficiency of 90% .....
    And my X650 delivered 793.7 watts with 84.2% efficiency.

    For your future gaming needs, go with the X850 Seasonic. The added cost over the X750 will give you more breathing room, and it's resale value will probably outweigh the higher initial cost. On my side of the pond, the X850 is $200 and the X760 is $184. YPPWBH*

    Let us know which psu you buy.
    Happy shopping!!

    * Your Purchase Price Will Be Higher
    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. #108
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    I thought you might say that :) That's what I thought as well.

    X-850 it is, well, store's closed on the weekend, so I'll have to get it on Sunday.

    In the meanwhile, time to get back to some overclocking :)
    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. #109
    profJim's Avatar
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    Hey, you kept twisting my arm for a firm recommendation.
    It's much easier for me to spend other peoples' money instead of my own.

    I purchased my TP-750 18 months ago when it was on sale for the same price as a decent 500 watt psu. Six months ago I bought my current video card to replace my wimpy 7600GT. I don't do gaming, but wanted a newer card for future growth. My original choice was an HD5770, but for a bit more, the GTX 460 (768MB) would provide more performance, but nooo, I couldn't stop there and for not too much more I could buy a top of the line GTX 460 (1GB) card. It never ends!!

    OK, back to overclocking your Q9550. I expect that you and Chike will hit 4.4GHz within two weeks, with plenty of power to spare.
    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. #110
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    Default Re: Q9550 + EP45-UD3P, need help hitting 4 Ghz please

    Indeed it never ends :)

    But a PSU upgrade is acceptable after 2.5 years.

    I'll definitely meet this Chike this week and see how we tackle 4 GHz, I need to stabilize 3.8 first.
    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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