P42800D478-533 INTEL P42800D478-533 INTEL P42800D478-533 Intel Pentium 4 2.8A GHz 533 MHz 1 MB Socket 478 CPU General Features: 2.8A GHz clock speed PPGA 478-pin package type 533 MHz system bus 1 MB L2 cache 1.25V-1.525V