check any SMPS sections. On Thu, Jun 14, 2012 at 9:58 AM, Jan Ceuleers <jan.ceule...@computer.org>wrote:
> On 06/10/2012 08:15 AM, Jan Ceuleers wrote: > > Hi. > > > > I've been using net4801s and a net5501 as broadband routers for use at > > home for some time now. > > > > Generally great and fun. There's just one down side: these boxes are not > > completely silent, in that they make a strange hissing sound while > > they're doing actual work (like routing network traffic). > > So, after a few days here's a summary: > > > So here's a sanity check: are my boxes the only-ones doing this? > > Apparently so, because nobody said that they are also experiencing this. > > > What's causing it? I thought it was the CPU but given that the 4801s and > > the 5501 have a different CPU (OK so they're both Geodes) I was thinking > > perhaps not? > > There seem to be two camps: some say capacitors and others say coils. > > > Is there anything I can do to stop the hissing? > > The consensus of opinion here seems to be to pot the components in > question, possibly using hot glue. > > (BTW: "boxen" is the correct spelling). > > Thanks, Jan > _______________________________________________ > Soekris-tech mailing list > Soekris-tech@lists.soekris.com > http://lists.soekris.com/mailman/listinfo/soekris-tech >
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