NEC Corp has expanded its new Parallel ACOS line of mainframes back home in Japan with launch of the PX7800, positioned as a successor to the current top-end 32-bit ACOS 3600 and 3800 mainframes. The new machine comes with up 16 CMOS NOAH processors in a shared memory of configuration; the company has also followed IBM Corp with a dedicated database processor version that comes with up to four processors and runs the Parallel SQL software. New Parallel Job Step software runs batch jobs in parallel. The OLF/TP transaction processing monitor supports personal computers as terminals. The minimum system configuration rents for a whopping $107,500 a month, and it ships in March. In partnership with NEC-Toshiba Information Systems, NEC expects to sell 300 of the new machines in the next two years.