DOM MB V5.1 Diagnosis
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Board ID:
V5.1 001477
Step:
Vendor Firmware Load
Symptoms:
April 19, 2005, Failure at load-all
Analyst(s):
G. Przybylski
Analysis Procedure(s):
5/3/05: CPLD loaded. Config memory loaded. Boot to Config boot OK.
Flash write failures (2555) on Flash 1. Swap Flash chips by
config-boot command. Problem persists.
Probe Flash 1 Select. Not present during programming, even at
CPLD pin 77. Present at CPLD pin 52.b
Root cause:
Possible faulty flash
chip1, or faulty select circuit, or write circuit
trace.
Probable faulty CPLD. Replace and Retest.
Mitigation:
Pending repair.
Disposition:
Pending repair
Any Other Information:
Traveler April 19, 2005