HP D7054-63006 - `Hot plug` PCI activity LED board - Hot Plug PCI Activity LED Board - Mounts to I/O Tray Retail
HP A5191-69102 - PCI I/O backplane board - Has 12 PCI slots - L1000/L2000 PCI I/O backplane board - Has 12 PCI slots - in the chassis Retail
HP A6144-69102 - PCI I/O backplane board - Has 12 PCI slots - L3000 PCI I/O backplane board - Has 12 PCI slots - Mounts vertically in the chassis Retail
HP D9143-69004 - I/O baseboard - Has internal and external SCSI connectors and a slot for the I/O board Retail
HP D8228-69006 - Power management/interconnect board - Has connectors for the system processor board, I/O board, IDE drives, and system power connectors - Power Management/Interconnect Board - Has connectors for the system processor board, I/O board, Retail
HP A4856-69101 - PCI card cage assembly - Includes 12-slot I/O chassis, I/O board, I/O power board, and I/O backplane Retail
HP A3639-69315 - Right PCI I/O backplane board - Has six PCI slots - N4000 right PCI I/O backplane board - Has six PCI slots - Mounts vertically in the right side of chassis Retail