IBM RS/6000 44P 270 Service Manual page 154

Table 3. Firmware Error Codes. (continued)
136
Service Guide
Error Code Description
4B2xxxC1 CPU internal cache or cache
controller error (checkstop).
4B2xxxC2 External cache parity or multi-bit
ECC error (checkstop).
4B2xxxC3 External cache ECC single-bit
ECC error (checkstop).
Action / Possible Failing FRU
1. If a physical location code is
displayed in the operator panel or
by AIX diagnostics, replace the FRU
as indicated by the location code. If
a physical location code is not
available, continue.
2. In the service processor menus, go
to "Read Progress Indicators from
last System Boot". If an arrow is
pointing to a location code replace
the FRU at that location code. If
there is no arrow pointing to a
location code, continue.
3. Go to "MAP 1540: Minimum
Configuration" on page 50.
1. If a physical location code is
displayed in the operator panel or
by AIX diagnostics, replace the FRU
as indicated by the location code. If
a physical location code is not
available, continue.
2. In the service processor menus, go
to "Read Progress Indicators from
last System Boot". If an arrow is
pointing to a location code replace
the FRU at that location code. If
there is no arrow pointing to a
location code, continue.
3. Go to "MAP 1540: Minimum
Configuration" on page 50.
1. If a physical location code is
displayed in the operator panel or
by AIX diagnostics, replace the FRU
as indicated by the location code. If
a physical location code is not
available, continue.
2. In the service processor menus, go
to "Read Progress Indicators from
last System Boot". If an arrow is
pointing to a location code replace
the FRU at that location code. If
there is no arrow pointing to a
location code, continue.
3. Go to "MAP 1540: Minimum
Configuration" on page 50.