# Pentium Pro possible unit masks # name:zero type:mandatory default:0x0 0x0 No unit mask name:mesi type:bitmask default:0x0f 0x08 (M)odified cache state 0x04 (E)xclusive cache state 0x02 (S)hared cache state 0x01 (I)nvalid cache state 0x0f All cache states name:ebl type:exclusive default:0x20 0x00 self-generated transactions 0x20 any transactions