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Thread: Ep45-ud3p/e8600 500fsb ???




  1. #11
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    Default Re: Ep45-ud3p/e8600 500fsb ???

    Guy's, I'm very busy at work - not alot of time for play. The thread D-an-W has alot of good info. Been taking notes and trying few tweaks. (still not stable) I noticed I have to run Vcore a little higher than I did with my Q9650 which bothers me.(both have high VID's) This RIG is my BABY (very first build) and just as nice as the day I built it. I do have another EP45-UD3P v. 1.6 MOBO (which the shop messed up) I may try and see if it will run. I just don't want to fry NB because I can see where VOLTS and TEMPS are going. Have yet to remove side panel and use fan on NB. May be needed. I'll get the MOBO swapped today and let you know how it goes. Thanks wibujo
    THRASHER: Liquid Cooled
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  2. #12
    kick's Avatar
    kick is offline Senior Member
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    Default Re: Ep45-ud3p/e8600 500fsb ???

    I cant guarantee anything,but I did drill the original nb heatsink to install a temp sensor ,before i changed to the xigmatec nb cooler ,and with the xigmatec i used a push under the heatsink temp probe.
    I was also using a roughly 45 degree angled fan cooling the nb heatsink and the memory(almost directly above it).
    The nb temp readouts were/probably still are in the 38-42c range under full load ,not too far off the sys temp readings but definitely different depending on load.
    Just for info:the nb temps using the xigmatec cooler without a 90mm fan actually seemed worse than the standard gigabyte heatsink :(.

    My nb temps exceeding like 43-45c measured by sensors would cause my overclock to fail.I cant say how accurate a nb core temp this was/is ,perhaps in reality it was more like 55-60c at the chip core or perhaps it was general heat.
    The temp characteristic of the nb is the same as the 775 cpus tho according to intel data sheets like 100c max etc,
    In my experience 1.38-1.42 v mch(according to the bios),if you need it, hasnt caused any failure over 3 years and it will still run at defaults,ie there are no burnt pathways.

    Then again I never ran the cpu at voltages higher than that for any length of time,even tho now 1.45v doesnt seem to be excessive for quad 775's

    My i5 2500k sucks up 1.465-1.472v on prime at 4.8ghz and to get it to run under testing at 5.0ghz ,I need to allow it up to 1.52v intel stated Vne(pll overide enabled), temps go 80c + on a 1 hr test, and its 32nm shrug.
    Last edited by kick; 06-09-2011 at 07:01 AM.
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

  3. #13
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    Default Re: Ep45-ud3p/e8600 500fsb ???

    GOOD NEWS, The UD3P board the shop broke 9/15/2009 (the one they broke bottom PCI-E slot removing my bottom 4870 - the one they said was bad because they couldn't get in the BIOS) It only has 10 hrs. run time on it. I installed OC settings from GOOD board - It's rockin and rollin - minus the bottom PCI-E slot. I'll need flash BIOS because it still has original FB on it.

    kick, Do you think the xigmatec nb cooler will work with my setup ? I'm using the meghalems HSF and doesn't look like I'll have enough room ??? Thanks wibujo
    THRASHER: Liquid Cooled
    Cooler Master XB EVO<>G1 Sniper 5 v1.0 F10<>4770k vid 1.022<>Batch#3332B365
    OC 4.4GHz 1.25v<>G.Skill F3-2400C10Q-32GTX 10-12-12-31 1.65v 2400MHz 32GB's
    2/Gigabyte R9 290X CrossFireX<>Corsair AX1200I<>2/Samsung 840 Pro 256GB raid0
    Windows 7 Ultimate<>idle 28c


  4. #14
    kick's Avatar
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    Default Re: Ep45-ud3p/e8600 500fsb ???

    On the xigmatec .

    Short answer is I think it would fit,just.

    From the blurry pic I posted ^ ,you can see I have my v8 cooler mounted in front to back orientation.The bit in the middle is a full size 120 mm fan.
    You can see the fan fins extend a little beyond that ,just like the megahelms.

    The nb cooler mounts angled away from the cpu,ie it doesnt extend straight up from the center of the nb chip.

    If you are thinking of fitting one there wont be room to put a 80mm fan on in a pull air thru the cooler setup.
    You would have to mount the fan to push air thru the cooler,which i think is better anyway.You would have to modify the fan mountings which come with the cooler slightly to mount the fan that way.

    I didnt have the fan mounted in the pic,but there is enough room between the back of the cooler and the gx card.
    I only have one pcie slot on the board ,but its in the same place as the first one on a P board.

    I just had a qwik google on the cooler and this is the first review that was linked.
    This guy seems to be running 1.5v thru the 45 nb !

    Xigmatek Porter CN881 Chipset Heatsink Review | Reviews - Clunk.org.uk.
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

  5. #15
    Chike is offline Senior Member
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    Default Re: Ep45-ud3p/e8600 500fsb ???

    Note that kick has UD3 not UD3P, which has no heat pipe you will have to cut or buy a different HS for the mosfets.
    I realy don't think you need all this, a side fan on the case, maybe take the NB HS cove(asl Psycho101 I think he did)r and you wll be fine.

  6. #16
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    Default Re: Ep45-ud3p/e8600 500fsb ???

    Yes, like Chike said, I just pried off the thin sheet metal HS cover. Wrap a jeweler's screwdiver (flat head) with some kitchen towel for padding and carefully remove it. It's held on with two strips of double sided tape.

    I was actually impressed by how good that tape was. Nearly two years later, I stuck them back on using the original tape and they held with no issues. :)

    Once you have the HS fins exposed, air from a side fan should be plenty to keep it cool.

    This is what the heat sinks look like underneath:
    Last edited by Psycho101; 06-10-2011 at 01:28 AM.
    Coolermaster CM 690 II advance Case
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  7. #17
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    Default Re: Ep45-ud3p/e8600 500fsb ???

    I never could get my first MOBO to to run 500X9 @ any setting. This second board will run @ those settings but core temps are hitting 80c. I had to use AS5 TIM because I can't find my MX-2. I know thats only good for 3c drop in temps. I'm looking for water blocks now and may WC NB and CPU. I have alot of WC parts left over from when I WC'd my UD9. May be able to save some money. Anyway I had to up Vcore to 1.425v to have any stability at all @ 450X9 settings. I'll continue that QUEST when I resolve temp issues. At the 4.27GHz (450X9.5) settings I'm still not 24/7 stable. Those darn ref. voltages are eating my lunch. It may MCH core and MCH ref I'm having problems with. I passed 20 passes of LinX but failed Prime 95 Blend after 1 hour. By the way, I do have a side panel fan blowing on NB. (Antec 1200 case) My sound card may be blocking some of the air flow. May go ahead and remove hat off NB. Thanks wibujo
    THRASHER: Liquid Cooled
    Cooler Master XB EVO<>G1 Sniper 5 v1.0 F10<>4770k vid 1.022<>Batch#3332B365
    OC 4.4GHz 1.25v<>G.Skill F3-2400C10Q-32GTX 10-12-12-31 1.65v 2400MHz 32GB's
    2/Gigabyte R9 290X CrossFireX<>Corsair AX1200I<>2/Samsung 840 Pro 256GB raid0
    Windows 7 Ultimate<>idle 28c


  8. #18
    Chike is offline Senior Member
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    Default Re: Ep45-ud3p/e8600 500fsb ???

    With the same CPU you need more vcore?
    If you know which FFT size caused failure you can shorten the time and run only that size.

  9. #19
    kick's Avatar
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    Default Re: Ep45-ud3p/e8600 500fsb ???

    Yeh the "blue hats" may be more trouble than theyre worth,fortunately my mbrd came without them ;).

    Seriously tho,Ive also had nb cooled with a 45 degree angled fan,it also blew on the memory too,and I dont think I would have achieved 500 fsb stable (x8) cpu without it .
    This was before I installed my nb cooler..
    At that time anything over 1.4v cpu on c2q was frowned on(on air),now it seems an ok max of 1.45,Im not interested enough to try experimenting again,tho I did run over 1.45 thru my Q8400.

    TIM, the stuff that came with my zalmann cooler is supposed to be among the top 5,i could probably find the link for the ,like 20 top paste tests if you dot already have it..

    Water cooling will ,I think make a whole different ball game ,but my feeling on air at least is the chipset bandwith limitation and the relationship between mch ,fsb cpu and memory.

    Anything that tries to force something over 11gb/s(on 45 chipset) seems to be very difficult to achieve ,at least Ive never seen it on air with c2q.
    fsb raising increases it,cpu raising increases it,and memory overclocking,tighter timings /pl do also.
    Anything over500/2000 fsb ,i havent seen quads working reliably with on air.
    I think the maximum people used to post reaching and running well was about 4.125-4.2Ghz not using a 500 cpu ref but more like 480-495.and a multiplier higher than 8.

    Duals are better cos of fewer cores and a higher possible cpu Vcore,but there isnt that much experience,heh or interest anymore in wc on the ep 45 in the forum.
    Last edited by kick; 06-14-2011 at 09:15 AM.
    Current Systems:

    Asrock p67 Extreme6.............. Gigabyte EP-45 UD3 ...................... Gigabyte 73 PVM S2
    Intel i5 2500k 4.8ghz................ Intel Q8400 3.8ghz......................... Intel D820 2.8ghz
    Zalman 10x cooler.................... Coolermaster V8............................ HP cooler
    8GB Gskill ripjaw ddr3.............. 4GB Gskill PI ddr2.......................... 4GB samsung ddr2
    60GB ssd/500GB HDD .............. WD 1TB hdd.................................... Seagate 160GB hdd
    GTX 460 1GB x2 SLI ................. Msi 9600GT 512MB(died) ........... Onboard gx
    Win7 64 ,750w psu(ocz)............ Win7 64 ,520w psu,seasonic...... Win XP pro ,400w psu

    HEC 6A34 case . ....................... Jeantec R2 case............................ Packard Bell case

    hoping to upgrade to http://www.thinkgeek.com/stuff/41/habicase.shtml
    http://www.flixya.com/video/140325/Animal-launching

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