[time-nuts] ``direct'' RS-232 vs. RS-232 via USB vs. PPS decoding cards

[Mark Sims]

Beware of Atom based devices...  Many of the Atom chips have a problem where a couple of the critical clock output signals have a design problem and they start failing after around 18 months.  This problem just became public in the last month or so when Cisco warned of impending failures in a lot their routers.

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> There is a whole class of low power mother boards targeted at the embedded 
market.  A few of them have multiple Ethernets - goof for building firewalls. 
 I haven't found any low cost ones.
  http://www.mini-box.com/Atom