Usually, like any i/o, neither shadowed, nor cached. Makes sense,
since it's usually not being executed on the AXPs.
Martin
-- Martin Ostermann | mailto:ost@comnets.rwth-aachen.de Communication Networks | http://www.comnets.rwth-aachen.de/~ost Aachen University of Technology | phoneto:++49/241/807917 Germany | faxto:++49/241/8890378