Analog or pulse-width control of the fan could make it variable speed. On 5/19/16, Vagrant Cascadian <vagr...@debian.org> wrote: > On 2016-05-19, Lennart Sorensen wrote: >> On Thu, May 19, 2016 at 10:35:15AM -0700, Vagrant Cascadian wrote: >>> BeagleBoard-X15: >>> price: not yet available, estimated ~US$239 >>> kernel: 4.6.x, currently needs custom kernel with compiled-in sata >>> cpu: dual-core cortex-a15 (TI AM57xx) >>> ram: 2gb >>> disk: eSATA >>> u-boot: 2016.03 in stretch >>> builds: 179 >>> notes: noisy fan > >> What fan? I don't recall seeing a fan on that board. I know it can >> drive one if you want though. > > It's true, it doesn't come with a fan, and for some cases maybe doesn't > need one, but I picked one up since it's running builds constantly: > > https://www.digikey.com/product-detail/en/X15FANKIT/X15FANKIT-ND/5822502 > > Main problem is the fan turns on and off multiple times per minute, > rather than running long enough to actually cool the heat sink down each > time it turns on... presumably that's solvable through software or a > kernel setting, but I haven't delved into it. Quieter fans also probably > exist. > > In general, I prefer fanless systems... > > > live well, > vagrant >
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