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    Swapping a 5830 with a 5870 in a Envy 15 ?

    Discussion in 'HP' started by JoeDarkness, May 8, 2010.

  1. JoeDarkness

    JoeDarkness Notebook Guru

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    Has anyone swapped the envy 15 5830 GPU with a 5870 ? is it even possible ?
    I have seen a few 5870's on ebay and wondered if it was possible to swap

    Joe
     
    JoeDarkness, May 8, 2010
    #1
  2. jiuzhege

    jiuzhege Notebook Geek

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    impossible

    envy15 is not MXMIII
     
    jiuzhege, May 8, 2010
    #2
  3. wild05kid05

    wild05kid05 Cook Free or Die

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    it is not soldered onto the motherboard I heard, however the cooling system may not be able to handle the hate generate from 5870.
     
    wild05kid05, May 8, 2010
    #3
  4. Karamazovmm

    Karamazovmm Overthinking? Always!

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    I thought that it was a mxmIII since it uses the same processor of the 5850/70, are you sure about it?
     
    Karamazovmm, May 8, 2010
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  5. Star Forge

    Star Forge Quaggan's Creed Redux!

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    It doesn't look soldered on it but there is glue to attach the core onto the circuit board. The VRAM however is soldered on the board by the looks.
     
    Star Forge, May 8, 2010
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  6. dapreview

    dapreview Notebook Consultant

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    even if you could get creative in replacing the GPU the 5870 needs more power (60W) than the 5830 (24W) and there's no way to adjust it with this motherboard/bios. probably doesn't have the capability to supply that much. the existing cooling system might work though.
     
    dapreview, May 9, 2010
    #6
  7. Star Forge

    Star Forge Quaggan's Creed Redux!

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    Custom BIOS will be necessary but that isn't the hard part really.
     
    Star Forge, May 9, 2010
    #7
  8. laststop311

    laststop311 Notebook Deity

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    i doubt the power supply can even handle the increase in power even if you could custom mod the bios to recognize the card. this is an unrealistic project besides the 5830 is a great card already.
     
    laststop311, May 9, 2010
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  9. okashira

    okashira Notebook Consultant

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    Yeh. I can push my Envy to use 130W, without the battery installed (would need to draw 150W just to charge the battery too at the same time)

    5870 would bring this to 170+ Watt...

    (note my test case is extreme, maxed wifi, maxed screen, 3 instance of Linpack, 1 instance of Furmark "xtreme burn mode", GPU overclock 750/1115)

    I'm pretty sure If I did that with the battery installed, it would literally fry the PS. Requesting 150W from it would surely trick a safety mechanism..

    I did find one safety, though. When I run this extreme power test, and pull the power cord (with batt installed) it will immediatly cut the system power completely. Guess the battery just can't do 130W, even for a split second. :D
     
    okashira, May 10, 2010
    #9
  10. sgogeta4

    sgogeta4 Notebook Nobel Laureate

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    There are a lot more factors than just physical compatibility, as mentioned above. But chances are, the best you're going to get is the 5830 on your system.
     
    sgogeta4, May 11, 2010
    #10