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Thread: GA-EP45-UD3P - Won't boot with 450FSB




  1. #161

    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Not really! lol
    * CPU: Intel i7-3770K @ Stock * Cooling: Corsair H80i / Noctua NF-F12 x2 * MoBo: Gigabyte GA-Z77X-UD5H (Rev. 1.1 - BIOS F16 Mod16) * RAM: Crucial 1600MHz DDR3 32GB (4x8GB) *
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  2. #162
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    dang profJim make me drool!! I really do like this board.

    Well I'm down to 8 hours more to go to prove 24 hours stability. I'm pretty confident it will go the distance, since I've been playing a ton of games on it while it's going without issue. After looking at D-and-W's last two BIOS examples I will try just a small bump to Vcore and CPU-pll.. and see if I can pull off a stable 4Ghz without pushing my temps into the 70's with IBT.

    -devoh
    Antec P180 case
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  3. #163
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Quote Originally Posted by devoh View Post
    dang profJim make me drool!! I really do like this board.

    Well I'm down to 8 hours more to go to prove 24 hours stability. I'm pretty confident it will go the distance, since I've been playing a ton of games on it while it's going without issue. After looking at D-and-W's last two BIOS examples I will try just a small bump to Vcore and CPU-pll.. and see if I can pull off a stable 4Ghz without pushing my temps into the 70's with IBT.

    -devoh


    ARGH!!!!!!!! 18 hours into it.. and BSOD!! Why does it taunt me so!
    So I am going for 4.020.. with the Vcore and CPUpll bump.

    -devoh
    Antec P180 case
    Intel E8500 E0 Stepping
    Gigabyte GA-EP45-UD3P rev 1.1 BIOS F10j
    Thermalright Ultra eXtreme 120!! Do NOT try and save a few bucks with your cooler.
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  4. #164
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    D-and-W how did you make out on your trial of 3.99Ghz with 470FSB?? Was it stable?
    I can't believe how low you got the MCH volts.. most impressive!!

    -devoh
    Antec P180 case
    Intel E8500 E0 Stepping
    Gigabyte GA-EP45-UD3P rev 1.1 BIOS F10j
    Thermalright Ultra eXtreme 120!! Do NOT try and save a few bucks with your cooler.
    Crucial Ballistic PC6400 cas 4 memory 2 x 2G
    2 x WD Black Edition 640G 32Megs cache 7200RPM
    XFX Geforce 260/216 Black Edition
    Corsair TX650W
    Running on 64 bit Win 7 (AHCI mode)

  5. #165

    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    I need psycho101 to pop along and explain to me why reducing my MCH Ref. one notch allowed me to boot into a stable (So far) template!?!

    9hrs of OCCT passed, 8hrs of Prime Small passed and 20 trials of IBT passed with the current template devoh, currently running Prime Large!
    Last edited by D-an-W; 05-29-2009 at 01:57 AM.
    * CPU: Intel i7-3770K @ Stock * Cooling: Corsair H80i / Noctua NF-F12 x2 * MoBo: Gigabyte GA-Z77X-UD5H (Rev. 1.1 - BIOS F16 Mod16) * RAM: Crucial 1600MHz DDR3 32GB (4x8GB) *
    * GPU: Intel HD 4000 (768MB) * Mon 1: Dell U2410 (A07) * Mon 2: Panasonic TX-P55VT50B * Cam: Logitech C910 HD * BD: Pioneer BDR-208DBK * HD 1: Crucial SSD M4-CT256M4SSD2 256GB *
    * HD 2: Western Digital Caviar Green 3TB * IR: Apple Infrared Board 922-7195 * WiFi & BT: Apple Broadcom BCM94360CD (802.11 a/b/g/n/ac - Bluetooth 4.0 * PSU: Seasonic M12 - 600W *

  6. #166
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Exactly the same has happened to me, about 4 hours ago. I'm trying 3.9GHz on that E7400.

    3.8 is 12 hour stable, Large FFT and 25 iterations of IBT, so I tried 411 * 9.5 with RAM at 493 (5:6 ratio). It failed right away, this was with 1.4Vcore (with LLC), 1.38V VTT and 1.70V PLL, at 1.3V MCH, CPU ref 1 up from 0.760 @ 1.2VTT. Changing MCH ref one notch down @ 1.2VTT then bringing VTT back to 1.38, and I'm 4 hours stable so far.

    Temps are @ 71c max, but It's only a rough guesstimate on volts. I'll run for another 4 hours (might take side of case off) then drop Vcore first, followed by VTT then PLL until I'm comfortable (65-67c).

    I believe from what I've read, reference voltages change the position on a clock cycle where there is a definate stop or start. By this I mean, the PC needs to know when the CPU or MCH is sending data, and when it's stopping sending data down the bus.

    Imagine the clock cycle as a sine wave on an oscilloscope. When the wave goes up from the centre point, that's the CPU or MCH saying "I'm sending info"), when it goes past the centre on the way down, it's saying "I've sent data, now I'm waiting till the next cycle").

    Reference voltages move this centre point. When you alter them you're clearing up any confusion between sending and not sending/terminating, thus stopping the CPU or MCH from making a mistake that causes errors in Prime.

    That info is from my own reading on the subject plus some educated guess work. I don't profess to understand it entirely, and I may be incorrect.
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  7. #167
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Well I must be crazy.. I just ordered the Thermalright 120 extreme! ONLY $60 to my door... sigh..

    -devoh
    Antec P180 case
    Intel E8500 E0 Stepping
    Gigabyte GA-EP45-UD3P rev 1.1 BIOS F10j
    Thermalright Ultra eXtreme 120!! Do NOT try and save a few bucks with your cooler.
    Crucial Ballistic PC6400 cas 4 memory 2 x 2G
    2 x WD Black Edition 640G 32Megs cache 7200RPM
    XFX Geforce 260/216 Black Edition
    Corsair TX650W
    Running on 64 bit Win 7 (AHCI mode)

  8. #168
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Bargain! You'll be complaining about the price of petrol next. You've got a sweet deal in the US. We pay the equivalent of $7 a US Gallon.

    An E5200 is around $95, Newegg sells them for $65. It's not fair.

    Your TrUE is even $20 cheaper than I can get one delivered. At least I get free healthcare as standard though, and don't get frisked by the paramedics for my credit card before they scrape me off the road, so its not all bad.
    Coolermaster CM 690 II advance Case
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  9. #169
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    I can't believe how low you got the MCH volts.. most impressive!!
    Keep in mind that Dan is using 4x1GB ram while you're using 2x2GB. You're both using Crucial Ballistix PC2-6400 ram, but Dan has the Tracer model with all the individual flashing LEDs.
    In general, 2x2GB setups will require more MCH core voltage than a 4x1GB setup.
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  10. #170
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Quote Originally Posted by profJim View Post
    Keep in mind that Dan is using 4x1GB ram while you're using 2x2GB. You're both using Crucial Ballistix PC2-6400 ram, but Dan has the Tracer model with all the individual flashing LEDs.
    In general, 2x2GB setups will require more MCH core voltage than a 4x1GB setup.
    Debatable. Sure there is less to address on each stick with a 4x1GB config, but you have all banks populated. IMO, chipsets being equal (they're not 100%, all microprocessors vary by their very nature and method of production), there should be either around equal MCH Vcore needed or even slightly more for the 4 x 1GB.

    There is little proof either controlled or subjective to indicate MCH voltages needed. Infact you see many posts on many forums where you know that too much MHC Vcore isused but people never try to lower it, they just keep on ramming 1.5V into the thing.

    Different RAM is a good point, and although it's Ballistix all round, chips used could differ in model, depending on internal revision. Natural variation of the exact same chips could also be an issue.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

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