SGI IRIS 1000

The 1000 and 1200 computers used a Motorola 68000 microprocessor clocked at 8 Mhz and were sold as diskless systems intended for use as a terminal. The 1400 and 1500 had 10 MHz Motorola 68010 microprocessor, 1.5 MB of RAM and did support ST-506 or SMD drives. The mainboard in the IRIS 1x00 machines was Licensed from Andy Bechtolsheim, Stanford University before Sun was founded. It is used in two variants: PM1 in 1000/1200 and PM2 in 1400/1500.