[Soekris] JP10, DC Power Connector
Poul-Henning Kamp
phk at phk.freebsd.dk
Fri Jan 11 17:38:10 UTC 2008
In message <4787517D0200003F00010BDA at NODE02.crp.local>, "David Dudley" writes:
>In a device I'm building, I need to supply DC power directly. I have an
>onboard 5v power source, as well as 12v.
>
>Looking at the man it says JP10, Pun 4 is +5 volts. Does VPWR provide
>power for anything, and should I power it with +12 (for instance, the
>disk power connectors, the PCI card connector, etc...)?
You should double check with Soren before you feed anything into the 5V
pin, I don't know if the PSU circuits will like that.
You can feed the board on the 12V pin, (same V-range as on the DC
plug) which I belive is _after_ the input protection circuitry, so
JP10 is not reverse polarity protected.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at 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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