HP A6153-69010 - I/O baseboard - Has 10 PCI slots (eight slots are 66MHz/64-bit hot plug and two slots are 33MHz/64-bit non-hot plug) - I/O baseboard - Has 10 PCI slots (eight slots are 66MHz/64-bit hot plug and two slots are 33MHz/64-bit non-hot plu 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
