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 | NA | |
| 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 |
| Battery | Un-P1-E1 | Battery | |
| DASD and media backplane | Un-P2 | Yes | Disk unit backplane |
| DVD | Un-P2-D2 | Slimline media | |
| System backplane ports | |||
| System serial port 1 (rear view - left connector) | Un-P1-T1 | External cables | |
| System serial port 2 (rear view - right connector) | Un-P1-T2 | External cables | |
| Embedded USB front port | Un-D1-T1 | External cables | |
| Embedded USB rear port 1 | Un-P1-T3 | External cables | |
| Embedded USB rear port 2 | Un-P1-T4 | External cables | |
| SPCN port 1 (rear view - left connector) | Un-P1-T5 | External cables | |
| SPCN port 2 (rear view - right connector) | Un-P1-T6 | External cables | |
| HMC 1 (rear view - left connector) | Un-P1-T7 | External cables | |
| HMC 2 (rear view - right connector) | Un-P1-T8 | External cables | |
| Dual 1 GB Ethernet port 1 | Un-P1-C6-T1 | External cables | |
| Dual 1 GB Ethernet port 2 | Un-P1-C6-T2 | External cables | |
| Quad 1 GB Ethernet port 1 | Un-P1-C6-T1 | External cables | |
| Quad 1 GB Ethernet port 2 | Un-P1-C6-T2 | External cables | |
| Quad 1 GB Ethernet port 3 | Un-P1-C6-T3 | External cables | |
| Quad 1 GB Ethernet port 4 | Un-P1-C6-T4 | External cables | |
| External SAS port | Un-P2-T1 | External cables | |
| Processor and processor regulator | |||
| Processor card 1 | Un-P1-C13 | Yes | System processor assembly |
| Processor card 2 | Un-P1-C14 | Yes | System processor assembly |
| Processor card 3 | Un-P1-C15 | Yes | System processor assembly |
| Processor card 4 | Un-P1-C16 | Yes | System processor assembly |
| Voltage regulator 1A on processor card 1 | Un-P1-C13-C10 | Yes | Two VRMs are handled as a pair. (One location code for both VRMs. Two LEDs lighting together) Voltage regulator module |
| Voltage regulator 1B on processor card 1 | Un-P1-C13-C10 | Yes | Two VRMs are handled as a pair. (One location code for both VRMs. Two LEDs lighting together) Voltage regulator module |
| Voltage regulator 2 on processor card 1 | Un-P1-C13-C5 | Yes | Voltage regulator module - single |
| Voltage regulator 1A on processor card 2 | Un-P1-C14-C10 | Yes | Two VRMs are handled as a pair. (One location code for both VRMs. Two LEDs lighting together) Voltage regulator module |
| Voltage regulator 1B on processor card 2 | Un-P1-C14-C10 | Yes | Two VRMs are handled as a pair. (One location code for both VRMs. Two LEDs lighting together) Voltage regulator module |
| Voltage regulator 2 on processor card 2 | Un-P1-C14-C5 | Yes | Voltage regulator module - single |
| Voltage regulator 1A on processor card 3 | Un-P1-C15-C10 | Yes | Two VRMs are handled as a pair. (One location code for both VRMs. Two LEDs lighting together) Voltage regulator module |
| Voltage regulator 1B on processor card 3 | Un-P1-C15-C10 | Yes | Two VRMs are handled as a pair. (One location code for both VRMs. Two LEDs lighting together) Voltage regulator module |
| Voltage regulator 2 on processor card 3 | Un-P1-C15-C5 | Yes | Voltage regulator module - single |
| Voltage regulator 1A on processor card 4 | Un-P1-C16-C10 | Yes | Two VRMs are handled as a pair. (One location code for both VRMs. Two LEDs lighting together) Voltage regulator module |
| Voltage regulator 1B on processor card 4 | Un-P1-C16-C10 | Yes | Two VRMs are handled as a pair. (One location code for both VRMs. Two LEDs lighting together) Voltage regulator module |
| Voltage regulator 2 on processor card 4 | Un-P1-C16-C5 | Yes | Voltage regulator module - single |
| VPD card | Un-P1-C9 | 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-C6 | 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-C7 | 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-C7-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-C7-T2 | Yes, for RIO adapter controller No, for 12X Channel Attach adapter |
External cables |
| RAID auxiliary cache card | Un-P1-C10 | Yes | RAID type V card |
| RAID auxiliary cache card Battery | Un-P1-C10-E1 | No | Cache battery pack |
| RAID card | Un-P1-C11 | Yes | RAID type D card |
| Thermal management card | Un-P1-C12 | Yes | TPMD card |
| Memory modules | |||
| Memory module 1 on processor 1 | Un-P1-C13-C1 | Yes | Memory DIMM |
| Memory module 2 on processor 1 | Un-P1-C13-C2 | Yes | Memory DIMM |
| Memory module 3 on processor 1 | Un-P1-C13-C3 | Yes | Memory DIMM |
| Memory module 4 on processor 1 | Un-P1-C13-C4 | Yes | Memory DIMM |
| Memory module 5 on processor 1 | Un-P1-C13-C6 | Yes | Memory DIMM |
| Memory module 6 on processor 1 | Un-P1-C13-C7 | Yes | Memory DIMM |
| Memory module 7 on processor 1 | Un-P1-C13-C8 | Yes | Memory DIMM |
| Memory module 8 on processor 1 | Un-P1-C13-C9 | Yes | Memory DIMM |
| Memory module 1 on processor 2 | Un-P1-C14-C1 | Yes | Memory DIMM |
| Memory module 2 on processor 2 | Un-P1-C14-C2 | Yes | Memory DIMM |
| Memory module 3 on processor 2 | Un-P1-C14-C3 | Yes | Memory DIMM |
| Memory module 4 on processor 2 | Un-P1-C14-C4 | Yes | Memory DIMM |
| Memory module 5 on processor 2 | Un-P1-C14-C6 | Yes | Memory DIMM |
| Memory module 6 on processor 2 | Un-P1-C14-C7 | Yes | Memory DIMM |
| Memory module 7 on processor 2 | Un-P1-C14-C8 | Yes | Memory DIMM |
| Memory module 8 on processor 2 | Un-P1-C14-C9 | Yes | Memory DIMM |
| Memory module 1 on processor 3 | Un-P1-C15-C1 | Yes | Memory DIMM |
| Memory module 2 on processor 3 | Un-P1-C15-C2 | Yes | Memory DIMM |
| Memory module 3 on processor 3 | Un-P1-C15-C3 | Yes | Memory DIMM |
| Memory module 4 on processor 3 | Un-P1-C15-C4 | Yes | Memory DIMM |
| Memory module 5 on processor 3 | Un-P1-C15-C6 | Yes | Memory DIMM |
| Memory module 6 on processor 3 | Un-P1-C15-C7 | Yes | Memory DIMM |
| Memory module 7 on processor 3 | Un-P1-C15-C8 | Yes | Memory DIMM |
| Memory module 8 on processor 3 | Un-P1-C15-C9 | Yes | Memory DIMM |
| Memory module 1 on processor 4 | Un-P1-C16-C1 | Yes | Memory DIMM |
| Memory module 2 on processor 4 | Un-P1-C16-C2 | Yes | Memory DIMM |
| Memory module 3 on processor 4 | Un-P1-C16-C3 | Yes | Memory DIMM |
| Memory module 4 on processor 4 | Un-P1-C16-C4 | Yes | Memory DIMM |
| Memory module 5 on processor 4 | Un-P1-C16-C6 | Yes | Memory DIMM |
| Memory module 6 on processor 4 | Un-P1-C16-C7 | Yes | Memory DIMM |
| Memory module 7 on processor 4 | Un-P1-C16-C8 | Yes | Memory DIMM |
| Memory module 8 on processor 4 | Un-P1-C16-C9 | 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 | NA | |