Meantime it now transpires that in addition to Hitachi’s G/Micro 200 Tron microprocessor, for which Fujitsu and Mitsubishi are developing support chips (CI No 843), the other two partners will each contribute a microprocessor of its own to the G/Micro-32 family. Fujitsu is working on the top-end G/Micro-300, which is being designed to deliver between 10 MIPS and 20 MIPS, with samples planned for the first half of 1989. Mitsubishi gets the low end of the line, for which no performance target has been given: the G/Micro-100 will be simpler and cheaper than the 200 with no on-chip memory management unit and two levels of protection compared with five on the Hitachi part, which is due to be out in volume in the autumn. Despite the lack of interest in Tron outside Japan so far – it may well become interesting if it is widely emdedded in products exported from Japan – it is claimed that the Tron chips will also be very suitable platforms for Unix.