Opcode INVD


CPU: I486 +
Type of Instruction: System

Instruction: INVD

Description:

FLUSH INTERNAL CACHE
( It means that all lines of internal caches sets as
invalid )
SIGNAL EXTERNAL CACHE TO FLUSH

Notes: This instruction not work in Real Mode and in
Protected mode work only in ring 0 ;

Flags Affected: None

CPU mode: PM0,SMM?

Physical Form: INVD
COP (Code of Operation): 0FH 08H
Clocks: Cyrix Cx486SLC : 4
i486 : 4
Pentium : 15


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