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 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 P1178-63001 - 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 A6961-69511 - I/O baseboard - Has eight 64-bit PCI slots - Includes Voltage Regulator Modules (VRM) Retail