<div dir="ltr"><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Jun 5, 2017 at 4:20 PM, David Lang <span dir="ltr"><<a href="mailto:david@lang.hm" target="_blank">david@lang.hm</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Mon, 5 Jun 2017, Richard Smith wrote:<br>
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<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
My WNDR 3700v2 power supply is rated at 12V 2.5A which is a peak of 30W.<br>
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don't forget that this includes providing power out to the USB port as well.<br>
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yet another reason to measure things :-)</blockquote><div><br></div><div class="gmail_default" style="font-size:small">USB places (placed?) multiple second latencies on suspend/resume as well.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">This makes it really hard to do decent high speed power management on an operating system. Linux itself we measured on an iPAQ at 20ms latency to suspend resume. Then when you had a USB port, it took of order a second (to get the best power management on OLPC we had to disable USB entirely).</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">Have I said how much I hate USB?</div><div class="gmail_default" style="font-size:small"> - Jim</div><div class="gmail_default" style="font-size:small"><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="HOEnZb"><font color="#888888"><br>
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David Lang<br>
k</font></span><div class="HOEnZb"><div class="h5"><br>
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