Use the following table to determine the part number for the field replaceable unit (FRU):
| CCIN or FFC | Type and model | Part number | Description | Location code |
| 2D01 | Any | 39J5554 | PCI-X quad channel U320 SCSI RAID battery pack, attached to the PCI-X quad channel U320 SCSI RAID adapter | Un-P1-Cx |