Pentium-III/Celeron(Coppermine)/Pentium-III Xeon

configname: CONFIG_MPENTIUMIII

Processor family
└─>Pentium-III/Celeron(Coppermine)/Pentium-III Xeon
In linux kernel since version 2.6.12  
Select this for Intel chips based on the Pentium-III and
Celeron-Coppermine core. This option enables use of some
extended prefetch instructions in addition to the Pentium II
extensions.

depends
CONFIG_X86_32