HP 169291-001 - Socket 8 processor board - PC board with two sockets for Pentium Pro processors - Does not include processors Retail
HP D4944-69001 - Processor board - Has one processor socket - Does NOT include the processor - Processor Board (Small Horizontal Board) - Has One Processor IC Socket - Does NOT Include the Processor IC Retail
HP D5017-69001 - Processor board - Has two Pentium II processor sockets, two VRM sockets, and four DIMM sockets - Processor Board - Has Two Pentium II Processor IC Sockets, Two VRM Sockets, and Four DIMM Sockets Retail
HP D4256-69001 - Processor board - Has two processor sockets and four DIMM sockets - Processor Board (Small Horizontal Board) - Has Two Processor IC Sockets and Four DIMM Sockets Retail
HP 186889-001 - Motherboard (system board) with locking lever and tray - Has four sockets for Pentium Pro processors - Does not include processors Retail