HP P1178-69001 - I/O board Ultra3 SCSI - Contains four 64-BIT PCI, two 64-BIT and two 32-BIT `hot plug` PCI accessory card slots - I/O Board Ultra3 SCSI - Contains four 64-bit PCI, two 64-bit and two 32-bit hot plug PCI accessory card 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 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 D9143-69043 - I/O board (riser PCA) - Contains two hot-swap 64-bit 66MHz, two hot-swap 64-bit 33MHz, and two non-hot-swap 64-bit 33MHz PCI slots Retail