Instruction set#2 (i286) has been associated to Chip family#103 (Core Duo/Solo (Yonah)) by PancakePuppy

Instruction set#2 (i286) has been dissociated from Instruction set#1 (i186) by Rigo

Instruction set#2 (i286) has been associated to Instruction set#0 (i8086) by computerguy096