HP D7054-63015 - PCI board hold down latch - PCI board hold down latch - Mounts to I/O tray PCI slots 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
HP D9143-63006 - Olx board assembly - Manages power to the `hot swap` PCI slots - Has LED indicator lights and I/O board retaining brackets Retail
HP 230981-001 - Optional PCI-X hot-plug switch board - Mounts to the top right rear of the chassis behind the PCI retaining latch - Used in conjunction with the optional PCI-X hot-plug mezzanine board Retail
