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




  1. #701
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    I'd recommend against a T-Rad 2 unless you can source a back plate from somewhere, or the 4890 comes with one as standard (some do, some don't).

    I had to RMA my card because the T-Rad bowed it that much, the GPU core and metal surround started to come away from the PCB.

    I know what you may think, I thought the same, that I must have tightened it down too much, but I didn't. I used the bare minimum of force. As I could see the crd was being bent as I tightened the cooler, I loosened the screws with the card installed and PC on until I got an over heat (PC shuts down, back of card gets really hot). I then tightened about 1/5 a turn at a time until temps were good and everything was nice and stable.

    I'm now using a Scythe Musashi on my second card while I wait for my first to be returned for CrossFire. I have another Musashi waiting to install onto that one too. It cools 2-4c better than the T-Rad 2 and it's quieter than a single Noctua fan when it's on low.

    With a 19c ambient, my GPU is currently idling at 30c, which is exceptional IMO for both fans on low. With the fan at the VRM end up to half way (1000-1100 RPM, minimum is I think 800 RPM, max is 2000 RPM) I can get a rock steady 765 on the core. I choose to run 750 for better temps and because the 15MHz makes little difference. Now I'm hitting 750MHz on the GPU, the VRAM is more the bottleneck, what with the 4850 having half the bandwidth of the 4870 and 4890. The fans are both 100mm and only 12mm thick, but are super silent. A Noctua could easily be zip tied to it instead if you wanted.

    There's not much performance boost unfortunately going to a 4890 from a 4870, maybe 10%, if that. I'd strongly recommend you hang on to your current card, then Crossfire them. It'll work fine. Also if you encounter a game that doesn't like Crossfire or isn't compatible yet, having the 4890 as the primary card and disabling CF means you're getting max single GPU performance. It's the best of both worlds.

    If you're not planning on going crossfire, you amy want to wait. In a matter of months (way before Christmas) ATI'll have their HD 58xx series out. It'll be about the same price as a 4890 is now. If not interested in DX11, you can still buy a 4890 when the 58xx is released. I bet you'll pay less than 1/2 price from some places.
    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

  2. #702
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    This is interesting, first experience like that. Maybe ****ty PCB on that particular card? Or older revision of T-Rad2? Or just bad luck? Who knows.

    The price is a good point, but then again, I wanna upgrade just for the hell of it, plus I can sell my current card for a very decent price - Asus 4890 cost ~5100 and I can sell my 4870 with all the stuff on it for 2800. Uhm, what's that in eur... 110 and 200. Another important thing is, in a matter of weeks my 4870 will not be worth a penny with new cards being announced and everything.
    Oh and I wanna play around with new ways of cooling, so why not on a new card :D
    The money I'd spend is not THAT terrible to cry over it, plus I am selling my guitars, which will raise the budget by substantial amount :D

    Anyway, the bloody PC is hot as hell right now - the NB heatsink is very warm even with a fan on it, lol. I guess 1.3 MCH does its thing :P
    Tomorrow evening is in the name of windtunnel and VCORE experiments. Damn I like to have the memory running at high frequency, the idea of juicy CPU speed is fine, but giving up on FSB... I don't know!

  3. #703
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    I think a mix of bad luck and more bad luck that I didn't have some kind of back plate to hand really. If someone has a back plate I'm all for recommending a T-rad 2 as it was a great coolar and looked the business. The Musashi looks great too though.

    There are some pics od mine installed in NimrodAUS's thread here: New Build GA-EP45-DS3 + Q9550 - Page 32 - TweakTown Forums

    Where are you from then Octopuss? Those are higher numbers than I'm used to when refering to currency. 200 Euro.. that's about Ł175, not too bad. Basically the 4890 will cost you Ł78. I guess it's a pretty good price. I'd encorage you to hook them up in Crossfire for a bit though, just for kicks and to run a few bench marks. As CF configs are a bit more CPU hungry it'll give you a good idea on how much your CPU clock is benefiting a super high end gaming system.

    Sounds like the NB sink is doing its job well. I look forward to seeing the wind tunnel results. Just an idea, but you may want to seal the edges of the heatsink with some electrical tape. This'll mean air's only moving straight in and out from front to back. Some people have noted that in push/pull it can knock a couple of degrees off.

    I'm about to try a washer mod for my TRUE tonight. It envolves placing a washer under the retention bracket to allow more down force on to the CPU. The mounting screws bottom out on mine with there being alot of room to swivel the heat sink. I think your HSF uses the same mounting mechanism, so I'll let you know how it works. It hopefully will provide a useful bit of info for all current Thermalright HSF owners that use the same retaining method. I hear talk of 4-8c gains.

    Personally I'd happily give up a little FSB and RAM speed for CPU muscle, but that's just me. You'd be best running some programs you use regularly and see which method works best for you. Unfortunately I can't really give any results form my config as the E7400 I have doesn't like anything much over 430 FSB.
    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

  4. #704
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Czech republic. 1 GBP=29.3CZK currently :)

    Haha washer mod! I did that the next minute after installing the cooler, because I could turn the bloody thing around with virtually no force at all. So I put 2-3 layers of thick paper under the retention bracket and voila! It holds like a rock.


    Oh and I just got an idea - when I do the windtunnel mod, I might as well add a fan to the top slot of the case as an extra outtake.

  5. #705
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Adding a top output would be a sweet idea. I didn't realise you ween't a native English speaker Octopuss. Your English is certainly better than my Czech. I can say "Jeden pivo být příjemný" (one beer please). When I say "say" it I mean write it down and show it to the bar tender, as I had no idea how to pronounce it. I find Eastern European languages in general very hard to read due to the multitude of symbols above the letters. Some change the sound so importantly it's vital to get them right or you end up insulting the bar tenders mother rather than ordering a drink.

    I'm going to try the washer mod first. Tomorrow, when I have more time I'll also try the mod to the back plate. that mod involves adding 4 rubber grommets (basically rubber washers) to the uprights containing the threads for the screws. You place them over the uprights befor you push the back plate onto the board apparently and it gives a more uniform increase in pressure compared to the standard washer mod. I have some anti vibration HDD mounts from my Lian Li case that would be ideal. The HDD is on the floor of the case on top of sound deadening foam, so I won't need them. Even though it was supposed to be an anti vibration HDD rack, it still magnified the HDD noise. Now I don't hear a thing from it.

    I'll let you all know how the washer mod goes any way. While I have the HSF off I'm toying with the idea of re-fitting my Q8200 for a bit and seeing if the combo of a better cooler and PSU means I can get more than 3.4GHz out of it. If not, I'll probably ebay it. I really want this Dell monitor before Christmas.
    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

  6. #706
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    So I added a little more Vcore to my current 3.9GHz settings to give a more significant temperature in IBT and tested with and without the washer mod.

    I used a 1 inch wide wsher which is about 3mm thick. Adding it to the mount gave a much sturdier grip on the CPU. I could still rotate the cooler, but with much more difficulty now.

    Temps before the washer mod, with a 1.5V Vcore were 80c/81c

    Temps after the washer mod with a 1.5V Vcore were 75c/76c

    These were the maximum temps reached, as logged by RealTemp using 20 runs of IBT on Max stress. The temps ofc are the same on standard initially, but as max uses more RAM and takes longer to complete I thought it the best test to prolong case temperature rises etc. The ambient temp was 22c (I have a small fan heater on at the minute because it's gone rather chilly here). Everything else was kept constant during the test, all the way down to the location of the rig.

    So, D-an-W, Boombasticsloth, Grishkafool and others with a TRUE, this mod is well worth doing. A whole 5c drop for the price of a large brass washer is a sweet gain. I love simple mods like this that actually give big, significant results. To get the same drop in temps I would probably have had to buy a Prolimatech megahalems and a 75CFM fan, because at extreme heat loads and with a big CFM flow the Megahalems just beats the True by around 3-5c depending on ambient and CPU ofc.
    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

  7. #707

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

    Psycho, I honestly just Laughed Out Loud then and its only 5.54am!
    * 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 *

  8. #708
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    Quote Originally Posted by Psycho101 View Post
    I didn't realise you ween't a native English speaker Octopuss.
    This is a real compliment you know :)
    If you threw that sentence at a bartender, he probably wouldn't beat the crap out of you with a baseball bat, but rather think "wtf, damn tourists!", because what you wrote means exactly "one beer be comfortable/pleasant/nice" :D Black c-o-c-k-n-e-y variation? :D

    3mm worth of stuff between the base of the heatsink and the retention bracket? Whoa. I must try as well then. Guess I've got like 1mm thick paper there.

    Btw, CPU seems perfectly stable at 540x7.5, 1.36875 VCORE, BUT the stupid Blend-like test keeps on failing! 1.3 MCH and the crap failed after 7 hours. FFS! I gotta find out whether lower FSB and roughly the same resulting CPU frequency would let me lower it some. IF 533x7.5=4GHz only needed 1.32500 to be stable and 540x7.5=4050 needs 1.36250 or one step higher, then there is no point in the latter at all!!
    And 533x7.5 failed again wih 1.28. I frigging guess I'll have to use 1.3 from now on or what. Aaargh!!!
    I also think I will avoid such combinations of FSB and multiplier that don't result in whole numbers - might not have any impact at all, but it's worth a shot. Guess I will try to experiment with 1.3MCH and something between 533 and 540. Too bad I can't access the BIOS remotely :D

  9. #709

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

    Coming up on 13hrs of Prime Blend using 510x8.5, ambient is 22degC and CPU is sat about 61degC on each core.
    I might have to turn the power off when the electrician arrives but at least I broke my 6hr duck...
    * 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 *

  10. #710
    Join Date
    Aug 2008
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    Default Re: GA-EP45-UD3P - Won't boot with 450FSB

    What is the VCORE?
    Damn low temperature! Grr, me is jealous right now.

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