the QNX Momentics IDE 4.7 was installed usder the windows xp sp3 host, and the qnx rtos was intstall in then vmware 7.0 
.
now , i am set the network to connect the host and the target,then they can ping each other. but when I  use then QNX 
Momentics IDE to new a connect , i'm failure,a tip "couldn't connect to taraget:read timed out" was called, the 'qconn' 
also was called in the qnx terminal. now somebody can help me , thanks very much!!!!!!!