On 01/15/2014 06:35 PM, Cory Smelosky wrote: A lot of people (myself included) insisted on direct-in-the-bus printer controllers when we saw how badly serial printers tanked the system when we connected them to DZ11s. ;) Oh I can imagine that. A dedicated controller would have MUCH higher bandwidth than the <1.5mbitcapable on the DZ11. ;) It's the interrupt load that's the problem. It could TANK an 11/750. -Dave -- Dave McGuire, AK4HZ New Kensington, PA