586/K5/5x86/6x86/6x86MX

configname: CONFIG_M586

Processor family
└─>586/K5/5x86/6x86/6x86MX
In linux kernel since version 2.6.12  
Select this for an 586 or 686 series processor such as the AMD K5,
the Cyrix 5x86, 6x86 and 6x86MX. This choice does not
assume the RDTSC (Read Time Stamp Counter) instruction.

depends
CONFIG_X86_32