Location code labels
The location code label represents a physical part of the server. The following table describes the prefixes
of location code labels.
Note: These labels apply to system units only.
Table 51. Prefixes of location code labels for system units
Prefix Description Example
A Air-moving device Fan, blower
C Card connector IOP, IOA, DIMM, processor card
D Device Diskette, control panel
E Electrical Battery, power supply, ac charger
L Logical path SAS target Integrated drive electronics (IDE) address, Fibre
Channel LUN
N Horizontal placement for an empty rack location
P Planar System backplane
T Port, external cable
U Unit
V Virtual planar
W Worldwide unique ID
X EIA value for an empty rack location
Y Firmware FRU
Worldwide unique identifier
The location code label for the worldwide unique identifier consists of the prefix W followed by a
maximum of 16 uppercase hexadecimal digits with no leading zeros. A location code might not consist of
a worldwide unique identifier. When present, the worldwide unique identifier location label follows the
location label of the resource that interfaces with the resource that has the worldwide unique identifier,
usually a port.
5888 or EDR1 PCIe storage enclosure locations
Use this information to help you map a location code to a position on the unit.
The following diagrams show field replaceable unit (FRU) layouts in the system. Use these diagrams with
the following tables.
Finding parts, locations, and addresses 167
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