Having created an architecture for its new Encore 90 family of 88000-based RISC systems that enables it to run both the proprietary MPX from the Gould Concept/32 minis, and its own uARTE real-time Unix (CI No 1,399), Encore Computer Corp is looking around for alien operating systems to support on the multiprocessor machines, and is talking in terms of declaring war on its southern Florida nighbour Harris Corp, and on Concurrent Computer Corp by supporting their proprietary VOS and OS/32 on the machines. It is also looking at the VRTX virtual real-time executive for embedded systems from Ready Systems Inc.