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iv Sun Fire X4140, X4240, and X4440 Servers Diagnostics Guide • August 2008
Uncorrectable DIMM Errors 12
Correctable DIMM Errors 14
BIOS DIMM Error Messages 15
DIMM Fault LEDs 15
Isolating and Correcting DIMM ECC Errors 18
A. Event Logs and POST Codes 21
Viewing Event Logs 21
Power-On Self-Test (POST) 25
How BIOS POST Memory Testing Works 25
Redirecting Console Output 26
Changing POST Options 28
POST Codes 31
POST Code Checkpoints 33
B. Status Indicator LEDs 37
External Status Indicator LEDs 37
Front Panel LEDs 38
Back Panel LEDs 38
Hard Drive LEDs 39
Internal Status Indicator LEDs 39
C. Using the ILOM Service Processor GUI to View System Information 43
Making a Serial Connection to the SP 44
Viewing ILOM SP Event Logs 45
Interpreting Event Log Time Stamps 47
Viewing Replaceable Component Information 48
Viewing Sensors 50
D. Error Handling 53