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HP 219408-001 - Intel Pentium Pro processor - 166Mhz (512MB Level-2 cache) - Includes heat sink Retail
HP 255395-001 - Motherboard (system board), with 512KB Level-2 cache - Includes 200MHz processor and heat sink Retail
HP 293718-001 - Intel Pentium MMX processor - 200MHz (66MHz front side bus, PGA) - Includes heat sink Retail