Michael Moroney wrote 2011-11-10 00:58: > What you need to know is if the previous $QIO completed. To do this, > issue a $SYNCH on the EF/IOSB combination right before the $QIO. > (the process will go into LEF, if necessary). Fine, you get it. :-) My point was to not wait until you realy *have* to wait. :-)