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SIADPCD
The failing component is the I/O bridge card or a 12X adapter card in an I/O unit.
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 |
| 50A2 | 5802, 5877 | See System parts. | I/O backplane | Un-P1 |
| 50A2 | 5803, 5873 | See System parts. | I/O backplane | Un-P1, Un-P2 |
| 520C | 5796, 7314-G30 | See System parts. | I/O backplane | Un-P1 |
| 520A or 520B | 5796, 7314-G30 | See System parts. | Riser | Un-P1-C7 |
If you need additional information for failing part numbers, location codes, or removal and replacement procedures, see Part locations and location codes. Select your machine type and model number to find additional location codes, part numbers, or replacement procedures for your system.
