Table 33. Prefixes of location code labels for I/O enclosure and system units (continued)
Prefix
Description
Example
T
Port
System unit or enclosure integrated connector
U
Unit
Usually consists of the machine type
V
Virtual planar
W
Worldwide unique ID
This group of digits follows the resource code
labels and always begins with the letter W
X
Electronic industries alliance (EIA) spacing value
for an empty rack location
Standardized unit of measure used to identify the
height of a rack drawer or the usable height
space within a rack.
Y
Firmware field replaceable unit (FRU)
microprogram or instruction set stored in read
only memory (ROM) of your system
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.
5786, 5787, 7031-D24, and 7031-T24 locations
Use the table and illustrations to help you identify the major field replaceable units (FRUs) installed in
your I/O enclosure. The table also will cross reference to the symbolic FRU that might be associated with
each FRU.
Note:
v
The known 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.
v
If you need SCSI repeater card address information, refer to “5786, 5787, 7031-D24, and 7031-T24
addresses” on page 180.
The following illustrations show the FRU layout and its associated location code.
Finding parts, locations, and addresses
133
Summary of Contents for Power Systems Series
Page 1: ...Power Systems Finding parts locations and addresses IBM...
Page 2: ......
Page 3: ...Power Systems Finding parts locations and addresses IBM...
Page 19: ...Figure 1 Rack front view Figure 2 Rack top view Finding parts locations and addresses 7...
Page 60: ...Figure 30 Rack front view Figure 31 Rack top view 48 Finding parts locations and addresses...
Page 70: ...Rear Top 58 Finding parts locations and addresses...
Page 80: ...Rear Top 68 Finding parts locations and addresses...
Page 81: ...Midplane I O card Finding parts locations and addresses 69...
Page 100: ...Figure 39 Node locations 88 Finding parts locations and addresses...
Page 111: ...Figure 44 Memory card locations Finding parts locations and addresses 99...
Page 244: ...Final assembly 232 Finding parts locations and addresses...
Page 253: ...Finding parts locations and addresses 241...
Page 288: ...Cover assembly 276 Finding parts locations and addresses...
Page 324: ...312 Finding parts locations and addresses...
Page 335: ...Notices 323...
Page 336: ...IBM Printed in USA...
