Toshiba Corp, which is not part of the triumvirate collaborating on microprocessors for the Tron operating system, plans to complete test manufacturing of two types of 32-bit Tron chips one a special-purpose ASIC, the other general purpose – by the end of the year. The applications-specific part will be for machine control, and the general purpose part will be aimed at the personal computer market. The company is looking for performance in the 5 to 10 MIPS range. Toshiba will also start manufacturing Motorola’s 16-bit 68000 family members at the two companies’ Tohoku Semiconductor joint venture this spring but there is no date yet for start of 68020 and 68030 manufacture.