In message <4f7b761b.4030...@fuzzwad.org>, Ron McDowell writes:

>I just got a little USB powered fan and it sure would be nice if I could 
>have cron on my FreeBSD box turn it on or off at certain times by 
>switching off the 5V line on a USB port.  Anyone know how I can do 
>that?  Thanks.

I have only found very few USB ports where it was possible to reliably
control power with a published interface.  Most USB-controllers support
doing it, but most motherboards don't mount the necessary FET.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
p...@freebsd.org         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
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