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 |
| 77B | Any | 03N3952 | 4-Port 10/100 Ethernet Tx PCI Adapter | |
| 77B | Any | 09P1421 | 4-Port 10/100 Ethernet Tx PCI Adapter (new chip) |