> I've personally tried it on a IIcx and an 840av.  The latter is on a
> moderately busy network so it probably got more than its fair share of
> interrupts that way, but is otherwise unused.  Xntp could never sync up,
> even though I gave it a fair selection of stratum 2 and 3 servers to choose
> from.

The IIcx and the Q840AV both suffer from the
clock-interrupt-at-level-1 blues.  The Q800 does not.  

Who wants to prove that it can be done better?  I'll be happy
to pass along any knowledge that I can to help.

-allen