identify CPU MIPS

MIPS http://www.sgi.com/MIPS/

MIPS (Microprocessor w/o Interlocked Pipeline Stages)
R2000 1986
R2010 (FPU) 1986
R3000 (33,8MHz, used in Sony PSX) 1988
R3000 (75MHz)
R3010 (FPU) 1988
R4000 (64bit, 70MHz, WinCE) 1991
R4000A
R4200 1993
R4300i (93,75MHz) N64 1993
R4400 (FPU + cache on die) 1992
R4600/R4700 (non superscalar) 1994
R5000 1996
R8000 1994
R8010 (FPU)
R10000 (175 / 196MHz, used in SGI Indigo2Impact) 1996
R12000 1997
R14000