Dell Precision R5500 - Page 88

Code 4–2–1
Cause No time tick
Code 4–2–2
Cause Shutdown failure
Code 4–2–3
Cause Gate A20 failure
Code 4–2–4
Cause Unexpected interrupt in protected mode
Code 4–3–1
Cause Memory failure above address 0FFFFh
Code 4–3–3
Cause Timer-chip counter 2 failure
Code 4–3–4
Cause Time-of-day clock stopped
Code 4–4–1
Cause Serial or parallel port test failure
Code 4–4–2
Cause Failure to decompress code to shadowed memory
Code 4–4–3
Cause Math coprocessor test failure
Code 4–4–4
Cause Cache test failure
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