486

configname: CONFIG_M486

Processor family
└─>486
In linux kernel since version 2.6.12  
Select this for a 486 series processor, either Intel or one of the
compatible processors from AMD, Cyrix, IBM, or Intel. Includes DX,
DX2, and DX4 variants; also SL/SLC/SLC2/SLC3/SX/SX2 and UMC U5D or
U5S.

depends
CONFIG_X86_32

is selected by
CONFIG_HIGHMEM64G

is depended by
CONFIG_X86_RDC321X