HP D7054-69001 - Mid-plane PC board - Board that connects the I/O baseboard, memory boards, and the processor baseboard - Mid-Plane PC Board - Board That Connects the I/O Baseboard, Memory Boards, and the Processor Baseboard - Mounts Vertically in th Retail
HP D6021-69001 - Mid-plane PC board - Board that connects the I/O board, memory boards, and the processor baseboard - Mid-Plane PC Board - Board That Connects the I/O Board, Memory Boards, and the Processor Baseboard - Mounts Vertically in the Center Retail
HP D6021-63044 - Processor ejector handles - To remove processor from processor baseboard - Mounts on processor Retail
HP D7054-69004 - Processor carrier board - Has four processor slots - Processor Carrier Board - Has Four Processor Slots - Two Boards are Used - Mounts to Processor Baseboard Retail
HP D7054-69007 - Cache coherency filter - One needed for each processor carrier board - Cache Coherency Filter - One needed for each Processor Carrier Board - Mounts to Processor Baseboard Retail