[kwlug-disc] Strange poweron problem

[CrankyOldBugger]

I've bought a couple of Anker 4 port hubs to replace that 7 port job.  I'm
kind of sad that I'll be losing the power switches on each port but if the
hub is failing then there's not much else I can do.


On Thu, 29 Sep 2016 at 11:49 Andrew Kohlsmith (mailing lists account) <
aklists at mixdown.ca> wrote:

> On Sep 23, 2016, at 5:38 PM, Jeff Smith <crankyoldbugger at gmail.com> wrote:
> Sorry I haven't responded to this in a while, but I think I found the
> culprit:  a USB 3 hub.  I purchased some USB hubs off of Amazon a few
> months ago, and I've noticed that all of them are showing signs of
> degradation already.  In the case of the one attached to this
> particular Ubuntu box, I swapped it right out and it the computer seems to
> be booting from the power-off state without any problems now.
>
> I can't tell you what brand these USB hubs are, as they are
> no-name generic, but they are the ones with power switches for each port,
> and the USB cables are inserted on the very top of the hub.  I've had
> failures with three of these now.  I thought the individual power switches
> were a nice feature, but the rest of the hub is crap.
>
>
> If you’ve ever taken apart one of these generic hubs you wouldn’t be
> surprised by this behaviour. It’s amazing that they work at all at USB3
> speeds. I routinely buy oddball hardware that is super-cheap just for the
> curiosity value. :-)
>
> If I can find my pictures I’ll share them here. Long story short: unwashed
> circuit boards, poor routing, two-layer design… utter crap. It’s
> unfortunate, but that is part of the cost of cheap electronics: you pays
> your money and takes your chances.
>
> -A.
>
>
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