7-18 Sun Blade 1500 Service, Diagnostics, and Troubleshooting Manual • December 2004
7.4 Analyzing POST Results
POST has three categories of messages:
■ “Error Messages” on page 7-18
■ “Warning Messages” on page 7-20
■ “Info Messages” on page 7-20
7.4.1 Error Messages
When an error occurs during POST, an error message is displayed. The error
message is bounded by the text ERROR and END_ERROR. Several error messages
might be displayed at different times of the POST process for any single error
condition.
The following error examples were caused by a defective 1 GB DIMM in the slot
labeled DIMM0. The first error message occurred when the DIMMs were probed:
0>Test 1067450368 bytes on bank 0....
0>0% Done...
0>2% Done...
0>3% Done...
0>4% Done...
...
0>97% Done...
0>98% Done...
0>99% Done...
Memory is checked in bank0.
0>INFO:
0> POST Passed all devices.
0>
0>POST: Return to OBP.
POST has passed successfully and
returns control to the OpenBoot
PROM.
0>ERROR: TEST = Probe and Setup Memory
0>H/W under test = CPU0 Memory
0>Repair Instructions: Replace items in order listed by ’H/W under
test’ above
0>MSG = ERROR: miscompare on mem test!
Address: 00000000.00000000
Expected: a5a5a5a5.a5a5a5a5
Observed: a5a6a5a5.a5a5a5a5
0>END_ERROR
TABLE 7-7 post max max Output Comparison (Continued)
Output Displayed What Is Happening