ChiteCture, video> (MTRR) Registers in the Pentium Pro and Pentium II proCessors that Can be used to speCify a strategy for CommuniCation with the external memory and CaChes for a number of physiCal address ranges. Strategies inClude write-through, write-baCk, or unCaChed(?). SuCh Control is useful where the memory is loCated on a deviCe and is aCCessed via some kind of deviCe bus, e.g. a PCI or AGPgraphiCs Card, where CaChing would be of no benefit. (1999-07-02)
