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Thread: NF7 mosfet cooling

  1. 03-04-2005, 12:56 PM #1
    komer
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    NF7 mosfet cooling

    http://www.morextech.com/newsite/Pro.../NF7-board.jpg

    this is image of board,high res i supose,so can someone tell me what mosfets should i sink when i do voltmod on mbo?tnx
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  2. 03-04-2005, 01:19 PM #2
    Nubius
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    http://www.madshrimps.com/gotofaqlink.php?linkid=2598

    Go there...pic all the way at the bottom has the hotspots pointed out. I got the Northmole NB cooler from Microcool and it comes with a bunch of little microsinks and whatnot. You can buy them seperately. They are pretty nifty.
    DFI nf4 Ultra-D 704-2bta BIOS
    PREVIOUS SYSTEM
    (3200+ Venice LBBLE 0518APFW @ 2.565GHz - Water Cooled by DangerDen TDX
    1gb PC3200 PDP SYS XBL Ram @ DDR466 2-3-3-6)
    NOW RUNNING/TESTING
    Opty 165 CCBWE 0551WPMW @ 2.7GHz (Still in Testing Stage)
    Thermaltake 560w PSU
    eVGA 6800GT PCI-E 450/1200 - Water Cooled by DangerDen MAZE4
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  3. 03-04-2005, 01:36 PM #3
    komer
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    tnx m8
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  4. 03-04-2005, 02:28 PM #4
    Zeus
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    Here's what i did back then:

    Attached Thumbnails Attached Thumbnails Click image for larger version.  Name: mosfetsinks2.jpg  Views: 530  Size: 175.8 KB  ID: 25882  
    Asus Crosshair V Formula-Z | FX 8350 | 2x4GB Trident-X 2600 C10 | 2x ATI HD5870 Crossfire | Enermax Revo 1050watt | OCZ Vertex 3 60GB | Samsung F1 1TB

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    sub 9 sec. SPi1M 940BE 955BE 965BE 1090T
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  5. 03-04-2005, 02:42 PM #5
    Highland3r
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    http://www.drunken-student.co.uk/pic...nf7_sinks1.JPG
    http://www.drunken-student.co.uk/pic.../nf7_sinks.JPG

    (Pics are too large to post in IMG tags)
    Chips shown in blue rectangles are also sinked.
    .:. X2 @ 2.9 .:. E6600 L628 @ 4.73 .:. AB9 @ 512 FSB .:. E6300 @ 100% OC Stable

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  6. 03-04-2005, 03:39 PM #6
    Dani
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    PICTURE
    Did some nice benches@3GHz -> 250FSB dual 1:1
    - Team Skootterit
    - SuperPi32M : 18m53.156s with FX-57 / LN2 (Ilkkahy's brazed container)
    - SuperPi8M : 3m55.703s with FX-57 / LN2 (Ilkkahy's brazed container)
    - SuperPi1M : 21.484s with FX-57 / LN2 (Ilkkahy's brazed container)

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  7. 03-04-2005, 09:32 PM #7
    Nubius
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    PICTURE
    Did some nice benches@3GHz -> 250FSB dual 1:1
    Damn, those are some impressive sinkage on those mosfets lol. Did you glue that screw to your BIOS chip for easy removal? Great freakin idea if so. lol I use a bent thick paperclip with electrical tape wrapped around it to pry it up out of the corner, but I like your idea better.

    Looks like you also sanded down your NB eh?

    was that 250FSB using 1gb of RAM in DC? because I absolutely cannot hit 250FSB with 1gb, but then again I need to do a voltage mod to get my chipset past 1.7v that might help some.
    DFI nf4 Ultra-D 704-2bta BIOS
    PREVIOUS SYSTEM
    (3200+ Venice LBBLE 0518APFW @ 2.565GHz - Water Cooled by DangerDen TDX
    1gb PC3200 PDP SYS XBL Ram @ DDR466 2-3-3-6)
    NOW RUNNING/TESTING
    Opty 165 CCBWE 0551WPMW @ 2.7GHz (Still in Testing Stage)
    Thermaltake 560w PSU
    eVGA 6800GT PCI-E 450/1200 - Water Cooled by DangerDen MAZE4
    Self-Modded 2-302 heatercore
    D4 Pump
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  8. 03-04-2005, 09:54 PM #8
    Dumo
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    Heres mine...and this mobo still an oc champ. microcool sinks epoxied with A5 epoxy.
    Last edited by Dumo; 03-04-2005 at 09:58 PM.
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  9. 03-04-2005, 11:09 PM #9
    IvanAndreevich
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    Did anybody try replacing the caps for grander ones?
    i5 750 4.20GHz @ NH-D14 | 8GB | P7P55DLE | 8800U | Indilinx SSD + Samsung F3 | HAF922 + CM750W
    Past: Q6600 @ 3.60 E6400 @ 3.60 | E6300 @ 3.40 | O165 @ 2.90 | X2 4400+ @ 2.80 | X2 3800+ @ 2.70 | VE 3200+ @ 2.80 | WI 3200+ @ 2.75 | WI 3000+ no IHS @ 2.72 | TBB 1700+ @ 2.60 | XP-M 2500+ @ 2.63 | NC 2800+ @ 2.40 | AB 1.60GHz @ 2.60
    Quote Originally Posted by CompGeek
    The US is the only country that doesn't use [nuclear weapons] to terrorize other countries. The US is based on Christian values, unlike any other country in the world. Granted we are straying from our Christian heritage, but we still have a freedom aimed diplomatic stance.
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  10. 03-04-2005, 11:47 PM #10
    STEvil
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    you never cooled the driver IC's for the mosfets Dumo, probably lost you some headroom

    All along the watchtower the watchmen watch the eternal return.
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  11. 03-05-2005, 12:31 AM #11
    Nubius
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    Heres mine...and this mobo still an oc champ. microcool sinks epoxied with A5 epoxy
    lol I have the same microcool chipsinks
    DFI nf4 Ultra-D 704-2bta BIOS
    PREVIOUS SYSTEM
    (3200+ Venice LBBLE 0518APFW @ 2.565GHz - Water Cooled by DangerDen TDX
    1gb PC3200 PDP SYS XBL Ram @ DDR466 2-3-3-6)
    NOW RUNNING/TESTING
    Opty 165 CCBWE 0551WPMW @ 2.7GHz (Still in Testing Stage)
    Thermaltake 560w PSU
    eVGA 6800GT PCI-E 450/1200 - Water Cooled by DangerDen MAZE4
    Self-Modded 2-302 heatercore
    D4 Pump
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  12. 03-05-2005, 04:06 AM #12
    Fry
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    this mosfet coolers rullz
    they are from www.heattrap.de and only for Abit NF7 , Epox 8kra2+

    sry 4 my english
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  13. 03-05-2005, 06:32 AM #13
    Dani
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    Quote Originally Posted by Nubius
    Damn, those are some impressive sinkage on those mosfets lol. Did you glue that screw to your BIOS chip for easy removal? Great freakin idea if so. lol I use a bent thick paperclip with electrical tape wrapped around it to pry it up out of the corner, but I like your idea better.

    Looks like you also sanded down your NB eh?

    was that 250FSB using 1gb of RAM in DC? because I absolutely cannot hit 250FSB with 1gb, but then again I need to do a voltage mod to get my chipset past 1.7v that might help some.
    Yep, glue on screw, its easy to hotflash some extra chips
    NB and SB was sanded flat, its helped to gain some FSB
    I used my 2*KHX3000 256mb BH5, did SP1M cas2225 1T CPC ON dual 1:1 266FSB*11.5 MAX Vcore from BIOS
    ..with CO2
    - Team Skootterit
    - SuperPi32M : 18m53.156s with FX-57 / LN2 (Ilkkahy's brazed container)
    - SuperPi8M : 3m55.703s with FX-57 / LN2 (Ilkkahy's brazed container)
    - SuperPi1M : 21.484s with FX-57 / LN2 (Ilkkahy's brazed container)

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  14. 03-05-2005, 07:25 AM #14
    IvanAndreevich
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    STEvil
    You have some specific numbers on how much sinking different parts of NF7 helped you?
    i5 750 4.20GHz @ NH-D14 | 8GB | P7P55DLE | 8800U | Indilinx SSD + Samsung F3 | HAF922 + CM750W
    Past: Q6600 @ 3.60 E6400 @ 3.60 | E6300 @ 3.40 | O165 @ 2.90 | X2 4400+ @ 2.80 | X2 3800+ @ 2.70 | VE 3200+ @ 2.80 | WI 3200+ @ 2.75 | WI 3000+ no IHS @ 2.72 | TBB 1700+ @ 2.60 | XP-M 2500+ @ 2.63 | NC 2800+ @ 2.40 | AB 1.60GHz @ 2.60
    Quote Originally Posted by CompGeek
    The US is the only country that doesn't use [nuclear weapons] to terrorize other countries. The US is based on Christian values, unlike any other country in the world. Granted we are straying from our Christian heritage, but we still have a freedom aimed diplomatic stance.
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  15. 03-05-2005, 11:27 AM #15
    komer
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    nice pic out there!
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  16. 03-05-2005, 07:55 PM #16
    STEvil
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    Quote Originally Posted by IvanAndreevich
    STEvil
    You have some specific numbers on how much sinking different parts of NF7 helped you?
    no specifics since mine didnt even get to run without sinks since I first go it, but I can tell you what i've done to mine and where i'm at for reference plus a few observations.

    nF7 (non -s), Direct VIO mod, heatsinks on mosfets, driver IC's, heatsink on VTT (?) IC (IC just under bottom lever of dimm 3, gets extremely hot and will even be warm with heatsink installed and airflow).

    On the bench:
    0408 2500+M @ 11.5x225.4 2.03v (2592mhz)
    OCZ 600w Powerstream
    SLK-900U + duct + inverted 50cfm 80mm Sunon
    2x512 OCZ PC3200 VX @ 3.2-3.5v
    Ricky tweak
    - 62c max load S&M ~55c load Prime95
    - can run with no cooling over mosfet/driver IC heatsinks for extended periods before they reach 90c.

    In the case (just put it in 15 minutes ago, power outage seems to have done in my a7n8x-dlx 2.0 finally).
    0408 2500+M 11.5x220 1.95v (2520mhz, to make sure its gonna play nice)
    Allied 450w with +5v enhanced (50a 5v/28a 3.3v/18a 12v)
    SLK-900U + duct + inverted 50cfm 80mm Sunon
    2x512 OCZ PC3200VX @ 3.45v (? need to measure, different PSU)
    Ricky tweak
    - 48c D2OL load (runs about 1 or 2c less than prime95 i've found)
    - mosfets and driver IC's remain cool so far with just "normal" case airflow (3x 120mm Delta EHE fans @ 5v).

    I'll run some Prime95 and S&M on it later maybe, busy with email and may forget for a while

    EDIT

    Bumped it back up to 11.5x225.4 2.03v and its running stable, 59c max load S&M.
    Last edited by STEvil; 03-05-2005 at 10:08 PM.

    All along the watchtower the watchmen watch the eternal return.
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  17. 03-07-2005, 05:47 PM #17
    Nubius
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    Yep, glue on screw, its easy to hotflash some extra chips
    Yeah, I've only had to hotflash once and whew, didn't like any minute of it lol. Gonna have to do that glue on screw trick...freakin nice..can't believe I never thought of that haha
    DFI nf4 Ultra-D 704-2bta BIOS
    PREVIOUS SYSTEM
    (3200+ Venice LBBLE 0518APFW @ 2.565GHz - Water Cooled by DangerDen TDX
    1gb PC3200 PDP SYS XBL Ram @ DDR466 2-3-3-6)
    NOW RUNNING/TESTING
    Opty 165 CCBWE 0551WPMW @ 2.7GHz (Still in Testing Stage)
    Thermaltake 560w PSU
    eVGA 6800GT PCI-E 450/1200 - Water Cooled by DangerDen MAZE4
    Self-Modded 2-302 heatercore
    D4 Pump
    Reply With Quote Reply With Quote
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