Intel BX80546PG3000E P4 3.0E Ghz 1MB Cache 800 Fsb 3.0E GHz on 90 nm process 1MB cache 800MHz Front Side Bus ( FSB ) Enhanced Intel NetBurst microarchitecture Uses Flip-Chip Pin Grid Array ( FC-mPGA4 ) package technology, and plugs into a 478-pin surface mount, Zero Insertion Force ( ZIF ) socket