HP D7054-63006 - `Hot plug` PCI activity LED board - Hot Plug PCI Activity LED Board - Mounts to I/O Tray Retail
HP D7054-63015 - PCI board hold down latch - PCI board hold down latch - Mounts to I/O tray PCI slots Retail
HP D7092-69000 - I/O board - Contains ISA and PCI accessory slots - I/O Board - Contains ISA and PCI Accessory Slots - One of the Large Boards in Center of Chassis Retail
HP 376472-001 - Optional PCI-X hot-plug mezzanine board - Provides two additional PCI-X 133MHz slots - Mounts in the bottom center of the system I/O board Retail
HP D7054-69003 - I/O baseboard - Has 10 64-BIT `hot plug` PCI accessory card slots - I/O Baseboard - Has 10 64-bit Hot Plug PCI Accessory Card Slots - Plugs into the Midplane Board Retail