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Hot running Linksys

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    Hot running Linksys

    I picked up three different revisions of the SD2008 (one with a fan, one without and a different component layout and a third which is the same as the last but with a smaller crystal).
    They all had to be recapped and I sourced new 12V 1A wall warts fro them and for the one with the fan, I took the fan out and stuck heatsinks on the two chips (the fan was dead anyways).
    The one thing I have noticed however is that they all run REALLY hot. I'm not sure if this is normal or if something's up and I have not really tested the units under load yet. I'm especially worried for the early rev unit I stuck heatsinks on. I'm not sure if they will keep the system alive.
    Anyone have experience on these little things? They are remarkably slick.

    The other thing about the old unit that had the fan is that the caps are getting hot.
    Yes, I replaced them with caps of the same value and yes I installed them in the right direction.
    Last edited by pentium; 05-22-2011, 03:36 PM.
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    #2
    Re: Hot running Linksys

    The other thing about the old unit that had the fan is that the caps are getting hot.
    Thats the problem I had on my motherboard. A mosfet was hot and one cap I replaced got scorching. The system later died and was unrepairable. Worry if the caps themselves are running really hot.

    What causes this?

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      #3
      Re: Hot running Linksys

      Fans are freakin cheap. Go to newegg and buy the larges fan that fits and be done with it. I've even heatsinkd and fanned my wrt54g and its rock solid even after OCing it. OTOH if you don't want to do a proper mod and repair send them my way. Good cheap routers are hard to find.

      Ps just saw you bought new wall warts. Most linksys routers come with unregulated power supplies that have significant vdroop. Which is a good thing. They internally regulate it down to 5v and 12v is the max for most 5v regulators. More voltage dissipated means more heat

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