Use this information to help you map a location code to a position on the unit.
The following diagrams show the field replaceable unit (FRU) layout in the system. Use these diagrams with the following tables.





The following table provides location codes for parts that make up the server.
The 5791 RIO cable has black connectors and does not have the letters RSR or RLR on the label. The 5797 has the letters RLR on the label, and the 12X cable has green connectors. The 5798 has the letters RSR on the label, and the 12X cable has green connectors.
| Failing item name | Physical location code |
| I/O planar book, plugs into I/O backplane | Un-P1 |
| I/O planar book, plugs into I/O backplane | Un-P2 |
| Disk drive backplane | Un-P3 |
| Disk drive backplane | Un-P4 |
| Disk drive backplane | Un-P5 |
| Disk drive backplane | Un-P6 |
| PCI adapter in slot 1 | Un-P1-C01 |
| PCI adapter in slot 2 | Un-P1-C02 |
| PCI adapter in slot 3 | Un-P1-C03 |
| PCI adapter in slot 4 | Un-P1-C04 |
| PCI adapter in slot 5 | Un-P1-C05 |
| PCI adapter in slot 6 | Un-P1-C06 |
| PCI adapter in slot 7 | Un-P1-C07 |
| PCI adapter in slot 8 | Un-P1-C08 |
| PCI adapter in slot 9 | Un-P1-C09 |
| PCI adapter in slot 10 | Un-P1-C10 |
| IB riser card | Un-P1-C11 |
| IB riser card | Un-P1-C11-T1 |
| IB riser card | Un-P1-C11-T2 |
| PHB (PCI bridge set) 1 | Un-P1-C01 |
| PHB (PCI bridge set) 2 | Un-P1-C05 |
| PHB (PCI bridge set) 3 | Un-P1-C08 |
| PCI adapter in slot 1 | Un-P2-C01 |
| PCI adapter in slot 2 | Un-P2-C02 |
| PCI adapter in slot 3 | Un-P2-C03 |
| PCI adapter in slot 4 | Un-P2-C04 |
| PCI adapter in slot 5 | Un-P2-C05 |
| PCI adapter in slot 6 | Un-P2-C06 |
| PCI adapter in slot 7 | Un-P2-C07 |
| PCI adapter in slot 8 | Un-P2-C08 |
| PCI adapter in slot 9 | Un-P2-C09 |
| PCI adapter in slot 10 | Un-P2-C10 |
| PHB (PCI bridge set) 1 | Un-P2-C01 |
| PHB (PCI bridge set) 2 | Un-P2-C05 |
| PHB (PCI bridge set) 3 | Un-P2-C08 |
| Fan 1 (left) | Un-A1 |
| Fan 2 | Un-A2 |
| Fan 3 | Un-A3 |
| Fan 4 (right) | Un-A4 |
| Power supply 1 (left) | Un-E1 |
| Super UPIC connector (left) | Un-E1-T1 |
| Super UPIC connector (right) | Un-E1-T2 |
| Power supply 2 (right) | Un-E2 |
| Super UPIC connector (left) | Un-E2-T1 |
| Super UPIC connector (right) | Un-E2-T2 |
| 12X adapter connector port 0 (bottom connector - P0) | Un-P1-00 |
| 12X adapter connector port 1 (top conector - P1) | Un-P1-01 |
| 12X adapter connector port 0 (bottom connector - P0) | Un-P2-00 |
| 12X adapter connector port 1 (top conector - P1) | Un-P2-01 |
| Media subsystem power connector | Un-P1-T3 |
| Media subsystem power connector | Un-P2-T3 |
| Integrated SCSI controller port | Un-P1-T5 |
| Integrated SCSI controller port | Un-P1-T6 |
| Integrated SCSI controller port | Un-P2-T5 |
| Integrated SCSI controller port | Un-P2-T6 |
The following table provides location codes for parts that make up the server.
| Failing item name | Physical location code |
| I/O planar book, plugs into I/O backplane | Un-P1 |
| I/O planar book, plugs into I/O backplane | Un-P2 |
| Disk drive backplane | Un-P3 |
| Disk drive backplane | Un-P4 |
| Disk drive backplane | Un-P5 |
| Disk drive backplane | Un-P6 |
| PCI adapter in slot 1 | Un-P1-C1 |
| PCI adapter in slot 2 | Un-P1-C2 |
| PCI adapter in slot 3 | Un-P1-C3 |
| PCI adapter in slot 4 | Un-P1-C4 |
| PCI adapter in slot 5 | Un-P1-C5 |
| PCI adapter in slot 6 | Un-P1-C6 |
| PCI adapter in slot 7 | Un-P1-C7 |
| PCI adapter in slot 8 | Un-P1-C8 |
| PCI adapter in slot 9 | Un-P1-C9 |
| PCI adapter in slot 10 | Un-P1-C10 |
| PHB (PCI bridge set) 1 | Un-P1-C1 |
| PHB (PCI bridge set) 2 | Un-P1-C5 |
| PHB (PCI bridge set) 3 | Un-P1-C8 |
| PCI adapter in slot 1 | Un-P2-C1 |
| PCI adapter in slot 2 | Un-P2-C2 |
| PCI adapter in slot 3 | Un-P2-C3 |
| PCI adapter in slot 4 | Un-P2-C4 |
| PCI adapter in slot 5 | Un-P2-C5 |
| PCI adapter in slot 6 | Un-P2-C6 |
| PCI adapter in slot 7 | Un-P2-C7 |
| PCI adapter in slot 8 | Un-P2-C8 |
| PCI adapter in slot 9 | Un-P2-C9 |
| PCI adapter in slot 10 | Un-P2-C10 |
| IB riser port | Un-Px-T2 |
| IB riser port | Un-Px-T1 |
| PHB (PCI bridge set) 1 | Un-P2-C1 |
| PHB (PCI bridge set) 2 | Un-P2-C5 |
| PHB (PCI bridge set) 3 | Un-P2-C8 |
| Fan 1 (left) | Un-A1 |
| Fan 2 | Un-A2 |
| Fan 3 | Un-A3 |
| Fan 4 (right) | Un-A4 |
| Power supply 1 (left) | Un-E1 |
| Super UPIC connector (left) | Un-E1-T1 |
| Super UPIC connector (right) | Un-E1-T2 |
| Power supply 2 (right) | Un-E2 |
| Super UPIC connector (left) | Un-E2-T1 |
| Super UPIC connector (right) | Un-E2-T2 |
| 12X attachment top port | Un-P1-T1 |
| 12X attachment bottom port | Un-P1-T2 |
| Media bay power connector | Un-P1-T3 |
| Media bay power connector | Un-P2-T3 |
| Integrated SCSI controller port | Un-P1-T4 |
| Integrated SCSI controller port | Un-P1-T5 |
| Integrated SCSI controller port | Un-P2-T4 |
| Integrated SCSI controller port | Un-P2-T5 |