Intel® Pentium® 4 processor with 512KB L2
Cache on 0.13 micron process (800 MHz System Bus only) will be shipped in
two equivalent packages. The following describe the two equivalent packages:

  • Both packages contain the same die (D-1 stepping)
  • Both packages implement the same CPUID (0F29h)
  • The electrical and thermal specifications are
    equivalent for both packages
  • Original Package : 6 layer substrate, 12 caps/20 pads
    decoupling,  3.46mm nominal Z height
  • Alternate Equivalent Package : 8 layer substrate, 30
    caps/30 pads decoupling, 3.75mm nominal Z height