Locations — model 185 and A50

Part locations.

Note: The logical location codes for this unit are listed next to the corresponding physical location in the following information. If you are working with a logical location code for this unit and it is not listed in the following information, contact your next level of support.

The following diagrams show field replaceable unit (FRU) layout in the system. Use these diagrams with the following tables to identify parts of the control panel.

The following table provides location codes for parts that make up the server.

Attention: After replacing any part on a server or expansion unit, perform Verifying the repair.

Figure 1. Back view, tower unit

Figure 2. Back view, rack unit

Figure 3. Front view, tower unit

Figure 4. Front view, rack unit

Figure 5. System board view, tower unit

Table 1. FRU locations and failing components
Failing item name	Physical location code	Identify LED	Link to part number	Failing item removal and replacement procedures
System unit	Un
Fans
Fan 1 (Processor cooling)	Un-A1	Yes	Part assembly diagrams	Fans
Fan 2 (Disk drive cooling)	Un-A2	Yes	Part assembly diagrams	Fans
Fan 3 (PCI adapter cooling)	Un-A3	Yes	Part assembly diagrams	Fans
Power supply
Power supply	Un-E1	Yes	Part assembly diagrams	Power supply
Voltage regulators
Voltage-regulator module	Un-E2	Yes	Voltage regulator modules are available as part of the System backplane FRU	Voltage regulator
Voltage-regulator module	Un-E3	Yes	Voltage regulator modules are available as part of the System backplane FRU	Voltage regulator
Backplane
System backplane	Un-P1	Yes	System backplane	System backplane
NVRAM battery	Un-P1-E1		Power parts	Time-of-day battery
Light-path-diagnostic card	Un-P2
System backplane ports
Ethernet port 1 (top)	Un-P1-T8
Ethernet port 2	Un-P1-T9
External SCSI port	Un-P1-T10
Serial port 1 (left)	Un-P1-T4
Serial port 2	Un-P1-T5
USB port 1 (left)	Un-P1-T6
USB port 2	Un-P1-T7
Internal SCSI port	Un-P1-T11
IDE controller port	Un-P1-T12
USB port 3 on front cover (top)	Un-T1
USB port 4 on front cover	Un-T2
Adapters
PCI adapter in slot 1	Un-P1-C5	Yes	System parts	PCI adapter
PCI adapter in slot 2	Un-P1-C6	Yes	System parts	PCI adapter
PCI adapter in slot 3	Un-P1-C7	Yes	System parts	PCI adapter
PCI adapter in slot 4	Un-P1-C8	Yes	System parts	PCI adapter
PCI adapter in slot 5	Un-P1-C9	Yes	System parts	PCI adapter
Memory modules
Memory DIMM 1	Un-P1-C1	Yes	Memory parts	Memory modules
Memory DIMM 2	Un-P1-C2	Yes	Memory parts	Memory modules
Memory DIMM 3	Un-P1-C3	Yes	Memory parts	Memory modules
Memory DIMM 4	Un-P1-C4	Yes	Memory parts	Memory modules
Device locations
Media device (top)	Un-D1	Yes	Removable media device parts
Disk drive 1 or media device	Un-D2 (Un-P1-T8-L0-L0 is the logical location code)	Yes	Disk unit parts or Removable media device parts	Disk drive
Disk drive 2	Un-D3 (Un-P1-T8-L1-L0 is the logical location code)	Yes	Disk unit parts	Disk drive
Disk drive 3	Un-D4 (Un-P1-T8-L2-L0 is the logical location code)	Yes	Disk unit parts	Disk drive
Disk drive 4	Un-D5 (Un-P1-T8-L3-L0 is the logical location code)	Yes	Disk unit parts	Disk drive
Control panel
Control panel	Un-D6			Control panel