B4xx Machine check or internal problem detected by firmware. A firmware program
detected either a software or a hardware error.
C1XX IPL status. Status SRCs indicate the progression of the IPL.
C3XX IPL status. Status SRCs indicate the progression of the IPL.
D1XX General system status. Status SRCs indicate the status of system functions
when the console is not available.
IPL Checkpoints and Error Codes
models S80 and S85 servers provide checkpoints and error codes to display during
system initial program load (IPL). These checkpoints and error codes are unique to
particular instances and to hardware, software, and firmware components of the
system. The sets of checkpoints and error codes are listed below:
v Three-digit SRN of the form 101-xxx
v Eight-digit checkpoint in SRC format of the form C1XX-xxxx
v Eight-digit checkpoint in SRC format of the form C3XX-xxxx
v Four-digit checkpoints of the form E0XX
v Four-digit checkpoints of the form E1XX
v Four-digit checkpoints of the form E4XX
v Four-digit checkpoints of the form E5XX
Checkpoints can become error codes if the system fails to advance past the point at
which the code is presented. SRNs are listed in Diagnostic Information for Multiple Bus
Systems. “Chapter 4. Checkpoints” on page 135 in this book contains a list of the
checkpoints. Each entry provides a description of the event and the recommended
action if the system fails to advance.
FRU Isolation
For a list of error codes and recommended actions for each code, see “Chapter 5. Error
Code to FRU Index” on page 157. These actions can refer to “Chapter 10. Models S80
and S85 Parts” on page 535, “Chapter 3. Maintenance Analysis Procedures (MAPs)” on
page 79, or provide informational message and directions. If a replacement part is
indicated, the part name is included. The respective AIX and physical location codes
are listed per each occurrence as required. Locations codes are listed under “AIX and
Physical Location Code Reference Tables” on page 48.
To determine part numbers and view component diagrams, see “Chapter 10. Models
S80 and S85 Parts” on page 535. The beginning of the chapter provides a parts index
with the predominant field replaceable units (FRUs) listed by name. The remainder of
the chapter provides illustrations of the various assemblies and components that make
up models S80 and S85 systems. System rack components are listed first, then I/O
rack, and then accessories.
Chapter 2. Introduction to Diagnostics 75
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