Making NEC Corp’s decision to sign as an alternate source for MIPS Computer Systems Inc’s R3000 RISC microprocessor even more worthwhile for the world number one chipmaker, Sony Corp has decided that rather than adopt Motorola’s 88000 to top off its 68030-based News family of workstations, its RISC future will lie with the MIPS part. Sony says it will have an R3000-based workstation out at the end of the year.