Processor
feature
code
Locations
diagram
FRU
positions
and failing
components
Network
Interface
Controller (NIC)
is in this FRU
Processor is in
this FRU
HSL loop number and port
information
22A2,
22A4,
22A5,
2301, 2302,
2422
See Figure 1.
Model 270
system unit,
processor
features
22A2, 22A4,
22A5, 2301,
2302, 2422
(Processor
embedded on
backplane)
(See page
227)
See Table 3.
FRU locations
and failing
components
for Model 270
(Processor
features
22A2, 22A4,
22A5, 2301,
2302, 2422)
(See page
228)
Embedded in the
system unit
backplane in
position MB1
Embedded in the
system unit
backplane in
position MB1
Loop number 256 has external
HSL ports labeled ″A0″ and ″A1″
22A7,
22A8,
22AA,
22AB,
23F4,
23F5, 2423,
2424, 2454
See Figure 2.
Model 270
system unit,
processor
features
22A7, 22A8,
22AA, 22AB,
23F4, 23F5,
2423, 2424,
2454 (See
page 232)
See Table 5.
FRU locations
and failing
components
for Model 270
(Processor
features
22A7, 22A8,
22AA, 22AB,
23F4, 23F5,
2423, 2424,
2454) (See
page 233)
Embedded in the
processor card in
position M02
Embedded in the
processor card in
position M02
Loop number 256 has external
HSL ports labeled ″A0″ and ″A1″
23E7,
23F0,
23F1, 2452
See Figure 3.
Model 270
system unit,
processor
features
23E7, 23F0,
23F1, 2452
(Processor
embedded on
backplane)
(See page
235)
See Table 7.
FRU locations
and failing
components
for Model 270
(Processor
features
23E7, 23F0,
23F1, 2452)
(See page
236)
Embedded in the
system unit
backplane in
position MB1
Embedded in the
system unit
backplane in
position MB1
Loop number 256 is an internal
loop embedded in the system
unit backplane. The loop goes
from the NIC, to the embedded
HSL I/O bridge, and back to the
NIC with no external HSL ports.
Loop number 257 has external
HSL ports labeled ″A0″ and ″A1″
Figure 1. Model 270 system unit, processor features 22A2, 22A4, 22A5, 2301, 2302, 2422 (Processor
embedded on backplane)
Analyze hardware problems 227
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