Use this information to help you map a location code to a position on the unit.
The following diagrams show 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.
| Failing item name | Physical location code | Identify LED | Failing item removal and replacement procedures |
|---|---|---|---|
| System unit | Un | ||
| Fans | |||
| Fan 1 | Un-A1 | Yes | Fan |
| Fan 2 | Un-A2 | Yes | Fan |
| Fan 3 | Un-A3 | Yes | Fan |
| Fan 4 | Un-A4 | Yes | Fan |
| Power supplies | |||
| Power supply 1 | Un-E1 | Yes | Power supply |
| Power supply 2 | Un-E2 | Yes | Power supply |
| Backplanes | |||
Input/output backplane with embedded:
|
Un-P1 | Yes | System backplane |
| Time-of-day battery | Un-P1-E1 | Battery | |
| DASD and media backplane | Un-P2 | Yes | Media device |
| DVD | Un-P2-D2 | Slimline media | |
| System backplane cables | |||
| System serial cable 1 (top connector) | Un-P1-T3 | External cables | |
| System serial cable 2 (bottom connector) | Un-P1-T4 | External cables | |
| Embedded USB front cable | Un-D1-T1 | External cables | |
| Embedded USB rear cable 1 | Un-P1-T7 | External cables | |
| Embedded USB rear cable 2 | Un-P1-T8 | External cables | |
| SPCN cable 1 (top connector) | Un-P1-T1 | External cables | |
| SPCN cable 2 (bottom connector) | Un-P1-T2 | External cables | |
| HMC 1 (left connector) | Un-P1-T5 | External cables | |
| HMC 2 (right connector) | Un-P1-T6 | External cables | |
| Dual 1 GB Ethernet cable 1 | Un-P1-C7-T1 | External cables | |
| Dual 1 GB Ethernet cable 2 | Un-P1-C7-T2 | External cables | |
| Quad 1 GB Ethernet port 1 | Un-P1-C7-T1 | External cables | |
| Quad 1 GB Ethernet cable 2 | Un-P1-C7-T2 | External cables | |
| Quad 1 GB Ethernet cable 3 | Un-P1-C7-T3 | External cables | |
| Quad 1 GB Ethernet cable 4 | Un-P1-C7-T4 | External cables | |
| External SAS cable | Un-P2-T1 | External cables | |
| Internal SAS cable | Un-P1-T9 | ||
| Processor and processor regulator | |||
| Voltage regulator 1A for processor 1 | Un-P1-C13 | Yes | Two VRMs are handled as a pair. (one location code. Two LEDs light together) Voltage regulator module |
| Voltage regulator 1B for processor 1 | Un-P1-C13 | Yes | Two VRMs are handled as a pair. (one location code. Two LEDs light together) Voltage regulator module |
| Voltage regulator 2 for processor 1 | Un-P1-C18 | Yes | Voltage regulator module |
| Voltage regulator 1A for processor 2 | Un-P1-C14-C19 | Yes | Two VRMs are handled as a pair. (one location code. Two LEDs light together) Voltage regulator module |
| Voltage regulator 1B for processor 2 | Un-P1-C14-C19 | Yes | Two VRMs are handled as a pair. (one location code. Two LEDs light together) Voltage regulator module |
| Voltage regulator 2 for processor 2 | Un-P1-C20 | Yes | Two VRMs are handled as a pair. (one location code. Two LEDs light together) Voltage regulator module |
| VPD card | Un-P1-C11 | Yes | VPD card |
| Adapters | |||
| PCI-E adapter in slot 1 | Un-P1-C1 | Yes | PCI adapter |
| PCI-E adapter in slot 2 | Un-P1-C2 | Yes | PCI adapter |
| PCI-E adapter in slot 3 | Un-P1-C3 | Yes | PCI adapter |
| PCI-X adapter in slot 4 | Un-P1-C4 | Yes | PCI adapter |
| PCI-X adapter in slot 5 | Un-P1-C5 | Yes | PCI adapter |
| Ethernet card | Un-P1-C7 | Yes | PCI adapter |
| RIO/HSL/GX Dual-Port 12X Channel Attach adapter controller slot 1 | Un-P1-C8 | Yes | GX adapter |
| RIO/HSL/GX Dual-Port 12X Channel Attach adapter controller slot 2 | Un-P1-C6 | Yes | GX adapter |
| RIO/HSL/GX Dual-Port 12X Channel Attach adapter controller slot 1 port 1 | Un-P1-C8-T1 | Yes, for RIO adapter controller No, for 12X Channel Attach adapter |
External cables |
| RIO/HSL/GX Dual-Port 12X Channel Attach adapter controller slot 1 port 2 | Un-P1-C8-T2 | Yes, for RIO adapter controller No, for 12X Channel Attach adapter |
External cables |
| RIO/HSL/GX Dual-Port 12X Channel Attach adapter controller slot 2 port 1 | Un-P1-C6-T1 | Yes, for RIO adapter controller No, for 12X Channel Attach adapter |
External cables |
| RIO/HSL/GX Dual-Port 12X Channel Attach adapter controller slot 2 port 2 | Un-P1-C6-T2 | Yes, for RIO adapter controller No, for 12X Channel Attach adapter |
External cables |
| RAID auxiliary cache card | Un-P1-C9 | Yes | RAID enablement card (type D)??Auxiliary cache card (RAID type V)?? |
| RAID auxiliary cache card battery | Un-P1-C9-E1 | No | RAID enablement card (type D)??Auxiliary cache card (RAID type V)?? |
| RAID card | Un-P1-C10 | Yes | RAID enablement card (type D)??Auxiliary cache card (RAID type V)?? |
| Thermal management card | Un-P1-C12 | Yes | Thermal Management (TPMD) card |
| Memory modules | |||
| Memory module 1 | Un-P1-C14 | Yes | Memory DIMM |
| Memory module 2 | Un-P1-C15 | Yes | Memory DIMM |
| Memory module 3 | Un-P1-C16 | Yes | Memory DIMM |
| Memory module 4 | Un-P1-C17 | Yes | Memory DIMM |
| Memory module 5 | Un-P1-C21 | Yes | Memory DIMM |
| Memory module 6 | Un-P1-C22 | Yes | Memory DIMM |
| Memory module 7 | Un-P1-C23 | Yes | Memory DIMM |
| Memory module 8 | Un-P1-C24 | Yes | Memory DIMM |
| Device physical locations | |||
| Removable media | Un-P2-D1 | No | Media device |
| Disk drive 1 | Un-P2-D3 | Yes | Disk Drive |
| Disk drive 2 | Un-P2-D4 | Yes | Disk Drive |
| Disk drive 3 | Un-P2-D5 | Yes | Disk Drive |
| Disk drive 4 | Un-P2-D6 | Yes | Disk Drive |
| Disk drive 5 | Un-P2-D7 | Yes | Disk Drive |
| Disk drive 6 | Un-P2-D8 | Yes | Disk Drive |
| Control panel | |||
| Control panel | Un -D1 | Control panel | |
| Temperature sensor | Un -D1 | Control panel | |
| Server firmware | |||
| Server firmware | Un-Y1 | ||