<really? all the docs i see generally say put tape controllers at the end, <in low priorities. with KA630 it worked in the same position (granted, <the KA630 might have been slow enough that it didnt matter). The priority <i always gave stuff was , first network, then the async muxes, then <disks, then tapes. generally true but all the uVAX docs I have for the qbus beasties seem to make the TK50 streaming tape an exception. From using it under VMS it does make a difference. <the board might have just flaked out, too. Or the drive!