HP 316261-001 - Motherboard (system board) - Includes 233MHz Intel Mobile Pentium II processor and heat sink Part 316261-001 199052-001 Retail
HP 316263-001 - Motherboard (system board) - Includes 300MHz Intel Mobile Pentium II processor and heat sink Part 316263-001 199056-001 Retail
HP 199053-001 - Motherboard (system board) - Includes 266MHz Intel Mobile Pentium II processor and heat sink Retail