Frank wrote: >HPIB was HP's attempt to proprietorize the standard. Let's get it straight. HP invented the HP-IB to fulfil a need to interconnect instrucments and controllers. Then THEY submitted the spec to the IEEE as a standard, which many vendors adopted. Let's not forget who the good guys are! -michael Email: mjmahon@aol.com Home page: http://members.aol.com/MJMahon/