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
Error Messages
Address mark not found
Description The BIOS found a faulty disk sector or could not find a particular
disk sector.
Alert! Previous attempts at booting this system have failed at checkpoint [nnnn].
For help in resolving this problem, please note this checkpoint and contact Dell
Technical Support.
Description The computer failed to complete the boot routine three
consecutive times for the same error. Contact Dell and report the
checkpoint code (nnnn) to the support technician
75
Summary of Contents for OptiPlex 990 Desktop
Page 6: ...23 Contacting Dell 93 Contacting Dell 93 ...
Page 10: ...10 ...
Page 28: ...28 ...
Page 41: ...16 Remove the system board from the chassis 41 ...
Page 64: ...64 ...
Page 82: ...82 ...
Page 94: ......