identify Ross CPU

Ross
formerly division of Cypress, later sold to Fujitsu

HyperSPARC Generation 1
Pinnacle (55/60/66MHz, 0.65 µm)
Colorado 1 (90/100MHz, 0.50 µm)
Colorado 2 (125MHz, 0.45 µm)
Colorado 3 (150/166MHz, 0.40 µm)
HyperSPARC Generation 2
Colorado 4 (180/200MHz, 0.35 µm, onchip cache)
Colorado 5 (250+MHz, 0.25 µm, onchip cache)

RT601
RT602
RT605
RT620 (IU, FPU)
RT625 (MMU, cache)