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 |
| 689 | 9117-MMA | 83H7105 | 4.5 GB 16-bit ultra SCSI SE disk drive | |
| 689 | 9117-MMA | 93H9005 | 4.5 GB 16-bit ultra SCSI SE disk drive assembly |