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  1. #21
    ROG Guru: Blue Belt Array Gps3dx PC Specs
    Gps3dx PC Specs
    Laptop (Model)Current: G751JT | Retired: G55VW, G51JX
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    Quote Originally Posted by Dreamonic View Post
    To answer your questions Gps3dx:

    1. Grizzly Conductonaut 5g / Grizzly Kryonaut 11.1g / Gelid GC-Extreme 3.5g (x2) / ARCTIC MX-4 20g
    A. Set price aside, what's your recommendation ?
    B. what's the MINIMAL weight of thermal past I should have to paste one time +- fixing errors.. ? you stated weights betweeen 5-20g...
    2. The right amount is determined by the gap between the heatsink assembly, components and die; small dot and spread. I recommend using cheaper thermal compound to address any uneven core temperatures before applying the expensive Grizzly Conductonaut. As adjustments to the heatsink assembly and or mounting points may be necessary. is it advisable to paste 2 types of thermal paste in the same place ? or your mean that it is advisable to paste cpu/gpu/vram with expensive paste and the rest of the heat-sink ( the non "expensive"/delicate HW ) to paste with the cheap ?
    3. In my testings, openings below the fans with the rear of the notebook elevated resulted in lowering thermals effectively. You must also realize what you quoted was in regards with CPU @4Ghz on all 4-cores and GPU overclocked 1470/6010 @ 1250mV (going forward). Intake mod was required to achieve no performance loss due to thermal throttling. wow... nice.
    4. Are you referring to the o-ring? yes, what's the inner mesh and the outer plastic ring cover diameter ?
    5. If no listings right now, just keep your eyes open and check back frequently. They sell quick! Or use expanded metal. I found that speakers grill may be good as well. HERE are 4.5cm diameter, and cheap. I plan on using only the inner mesh grill of course.
    6. Did you increase voltage at all when you were unstable at +175 core? yep, +75.. question is, what's max overvoltage that is safe for 970m ?

    Regarding the end, you were reading Kepler guide and not Maxwell. I do not have "-5" switch listed there. And the zip might be corrupt on your side as it was tested by more than a few people today already with success. you're right, my bad. i've redownloaded and it's fine.

    Thanks


    I just seen your edit Gps3dx. To answer that, just OC core until you're unstable, then increase voltage to stabilize it and go from there. After you find your max core overclock with an overvolt, then start to OC memory.
    My remarks are in red
    thanks :-)

  2. #22
    ROG Guru: Green Belt Array Dreamonic PC Specs
    Dreamonic PC Specs
    Laptop (Model)ASUS GX800VH-XS79K
    MotherboardASUS GX800VHK (Intel CM238/IDA154) w/Custom BIOS
    ProcessorIntel Core i7-7820HK @ 4.8Ghz (+150mV) FCBGA 1440
    Memory (part number)64GB (PC4-22400) @ 18-18-18-38-53 (76.D305G.D060B)
    Graphics Card #1NVIDIA GeForce GTX 1080 8GB (GP104) OC @ +200/+800 w/Custom VBIOS
    Graphics Card #2NVIDIA GeForce GTX 1080 8GB (GP104) OC @ +200/+800 w/Custom VBIOS
    MonitorASUS PG348Q 34" 3440x1440 @ 100Hz w/G-SYNC (mDP-to-DP)
    Storage #13x Samsung 512GB NVMe SSD RAID0 (S316NY0HA00959)
    CPU CoolerASUS GX800VHK Water Cooling Dock
    CaseASUS GX800VHK Chassis
    Power SupplyASUS 2x 330W Power Adapter (AC 100~240V, 50/60Hz, 16.9A/19.5V)
    Keyboard ASUS ROG Claymore
    Mouse ASUS ROG Spatha
    Headset ASUS STRIX 7.1 Gaming Headset
    Mouse Pad ASUS ROG Whetstone
    OS Windows 10 Pro x64 / Arch Linux w/KDE Plasma
    Network RouterAsus ROG Rapture GT-AX11000 + GT-AC5300
    Accessory #1 Kensington 4 Port USB 3.0 Hub (K33978WW)
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    1-A. I personally use MX-4 for GPU VRM and VRAM and then apply Grizzly Conductonaut on the GPU and CPU die.
    1-B. This completely depends on the thermal compound you buy as some are thicker in viscosity over others, so your coverage will vary as well. Absolute minimum for trial and error runs with repasting between, I found to be 4g (excluding Conductonaut).

    2. It's best to establish base results first, taking note on current thermals at load and the condition of your factory or current TIM once you take off your heatsink assembly. Usually is best to do a trial repaste with some cheaper compound like MX-4, so you can still see good results but receive enough data to know whether you've applied way too much, not enough or that the heatsink assembly is resting uneven. As mentioned in 1-A regarding where to apply what. This is just how I go about repasting and have not had any issues. It's personal preference really.

    3. Indeed.
    4. 1/8".
    5. Nice find! Those will work too.
    6. Stay below 1200mV or you'll find black screening to occur quite frequently. As long as thermals are controlled and your battery doesn't drain completely while using a high OC/OV, especially for certain applications, then it's fine. I've only really seen a 660M from a G75VW blow MOSFETs with a high overvolt due to thermals being the cause due to lack of cooling maintenance. You can read about this here.

    End. No problem.

  3. #23
    ROG Guru: Blue Belt Array Gps3dx PC Specs
    Gps3dx PC Specs
    Laptop (Model)Current: G751JT | Retired: G55VW, G51JX
    MotherboardInc M.2 slot
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    Storage #21TB HGST Travelstar 7K1000 (HTS721010A9E630)
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    Quote Originally Posted by Dreamonic View Post
    1-A. I personally use MX-4 for GPU VRM and VRAM and then apply Grizzly Conductonaut on the GPU and CPU die.
    1-B. This completely depends on the thermal compound you buy as some are thicker in viscosity over others, so your coverage will vary as well. Absolute minimum for trial and error runs with repasting between, I found to be 4g (excluding Conductonaut).

    2. It's best to establish base results first, taking note on current thermals at load and the condition of your factory or current TIM once you take off your heatsink assembly. Usually is best to do a trial repaste with some cheaper compound like MX-4, so you can still see good results but receive enough data to know whether you've applied way too much, not enough or that the heatsink assembly is resting uneven. As mentioned in 1-A regarding where to apply what. This is just how I go about repasting and have not had any issues. It's personal preference really.

    3. Indeed.
    4. 1/8".
    5. Nice find! Those will work too.
    6. Stay below 1200mV or you'll find black screening to occur quite frequently. As long as thermals are controlled and your battery doesn't drain completely while using a high OC/OV, especially for certain applications, then it's fine. I've only really seen a 660M from a G75VW blow MOSFETs with a high overvolt due to thermals being the cause due to lack of cooling maintenance. You can read about this here.

    End. No problem.
    So i've just ordered Arctic MX-4 and pair of speakers grills which are even cheaper then $2 and less then 5.6cm diameter ( so it should be around 5.4-5.5cm at the inner/bumped circle ).
    I guess I should be happy that I've purchased a dremel 4 months ago... it should come in handy for this work.
    more Q:
    1. know there any methodic PHOTOGRAPHED tear-down guide for G751JY/T ? can you please share a link ?
    2. any recommendation on the tear-down process ? what I should put extra attention while tear-down ? is there anything to avoid ?
    3. How did you paste the grill to the laptop base ? what kind of paste ?
    4. In retrospect, after ~2 years of working with modded G751... Do you think that adding extra filter onto that metal mesh ( to avoid dust ) is a smart move ?
      does passing with vaccum cleaner enough to clean any dust from that mesh ( so that adding extra filter will only make air passing harder, having no added value at all ).

    P.S - thanks for the O.C tips... I finally managed to OC my core clock past the extra +175 to ~300... this happened only after I added ~+112mV to min Voltage.
    I don't want to go beyond this at this point, till after i'll perform the fan mod. ( I already get to the GPU's 89C limit with these settings ).

  4. #24
    nb Array NeoBeum PC Specs
    NeoBeum PC Specs
    Laptop (Model)G751JY
    MotherboardHM87
    Processori7-4860HQ
    Memory (part number)32Gb Kingston Hyper-X
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    Where could I get my hands on the fan shields?
    <img src="eckyeckypoobah.gif" onerror="alert('An error occurred loading the image.')" />

  5. #25
    ROG Guru: Blue Belt Array Gps3dx PC Specs
    Gps3dx PC Specs
    Laptop (Model)Current: G751JT | Retired: G55VW, G51JX
    MotherboardInc M.2 slot
    Storage #1Samsungs EVO 850 128GB
    Storage #21TB HGST Travelstar 7K1000 (HTS721010A9E630)
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    Quote Originally Posted by NeoBeum View Post
    Where could I get my hands on the fan shields?
    my last post... comon...

  6. #26
    ROG Guru: White Belt Array
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    Very nice mod!
    But i play too much actually on my laps so here is my intake mod
    A little harder to make. Outer black plastic you can cut out as much as possible. Just leave about 1mm offset to have something to glue grill to. After some thought I could actually cut a bit more then it is on pics. Inner plastics are more tricky, watch out for screws' places and other reinforcements
    I went with a dremel but this plastic doesn't go well with high speed tools. Probably would be easier and cleaner cut just by drilling out series of holes...

    Grill is designed for a very tight fit, cut out off 0.5 mm thick aluminium with cnc mill. Painted them black then cleaned it off for natural aluminium color, but i think I'll paint them black again... think will fit the laps color scheme better.
    A few pics:
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    Last edited by escha; 09-30-2017 at 08:41 AM.

  7. #27
    ROG Guru: Blue Belt Array Gps3dx PC Specs
    Gps3dx PC Specs
    Laptop (Model)Current: G751JT | Retired: G55VW, G51JX
    MotherboardInc M.2 slot
    Storage #1Samsungs EVO 850 128GB
    Storage #21TB HGST Travelstar 7K1000 (HTS721010A9E630)
    CPU CoolerMother Nature & Thermodynamics laws
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    Quote Originally Posted by Dreamonic View Post
    1-A. I personally use MX-4 for GPU VRM and VRAM and then apply Grizzly Conductonaut on the GPU and CPU die.
    1-B. This completely depends on the thermal compound you buy as some are thicker in viscosity over others, so your coverage will vary as well. Absolute minimum for trial and error runs with repasting between, I found to be 4g (excluding Conductonaut).
    Finally, after ~7 hours of disassembly, cleaning, drilling, re-pasting with thermal paste and reassembly - the cooing mod was DONE.


    preliminary temps while browsing are 15-20 C LESS then was before ( now 45-55, before 55-65 ) & in-gaming as well ( now 65-75, before 85-93 ).


    I've connected the metallic meshes from the outside of the laptop cover.
    CONS - the mesh are a bit higher in comparison to the laptop's back legs, so the laptop weight now sits ontop of the meshes instead.
    PRO - I can easily disconnect it and clean the fans.
    Since I use laptop stand ( which contains even more fans ) I don't care about it, cause there's a step that the back of the laptop stand on it, allowing the air to pass in just OK - so no need to alter/extend the legs.


    P.S - Haven't used any thermal pads, only MX-4...Hope it's enough... so far everything stable, even with O/C on GPU and CPU.

    other notes after performing that mod:
    I got sound cracking ( so I guess I need to reconnect the speakers while windows is booted ).
    UPDATE: it seems i've screw the rear speaker cable - so soldering work is needed... waiting for a 2mm 4-pin connector to arrive for that.
    the cracking sound happens only when the cable is connected to the speakers, but since 2/4 sub-cables are damaged, cracking happens.
    99% of the time I use external audio anyway, so that's not an issue for me.
    thus, PAY ATTENTION WHEN YOU REASSEMBLE, THAT NO CABLE SHOULD BE BENEATH A SCREW HOLE.

    UPDATE: to fix the broken speakers cable I purchased 1.25mm (JST) 4-pin connector (female) with cable attached.
    The rear cover that houses the speakers is the female side, while the mobo is the male.


  8. #28
    ROG Guru: Blue Belt Array Gps3dx PC Specs
    Gps3dx PC Specs
    Laptop (Model)Current: G751JT | Retired: G55VW, G51JX
    MotherboardInc M.2 slot
    Storage #1Samsungs EVO 850 128GB
    Storage #21TB HGST Travelstar 7K1000 (HTS721010A9E630)
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    Quote Originally Posted by Gps3dx View Post
    Finally, after ~7 hours of disassembly, cleaning, drilling, re-pasting with thermal paste and reassembly - the cooing mod was DONE.
    preliminary temps while browsing are 15-20 C LESS then was before ( now 45-55, before 55-65 ) & in-gaming as well ( now 65-75, before 85-93 ).
    Yesterday I re-performed complete disassembly, cleaning and re-pasting GPU, CPU etc...
    Temps dropped from ~60-65C @idle to 45-50C... while gaming dropped from 80C to around 70C - which is pretty consistent with my report from 2 years ago, the last time I made such cleaning & re-pasting procedure.

    IMHO what led to the high temps, beside using the same thermal paste for 2 years, is the massive amount of "fur-ball" dust that been aggregated between the fan output and the heatsink's inner face "grill" which was almost completely obstructed.
    Having the option to access the fan by the intake mod might be nice for weekly cleanup and air-flow...but eventually dust gets aggregated in bulks at the heatsink's grill - forcing a complete teardown to be able to clean it.

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