Dell OptiPlex 390 (Mid 2011) - Manual (Page 79)

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
Error Message Description
Address mark not found 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.
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.
Alert! Security override Jumper is
installed.
The MFG_MODE jumper has been set and
AMT Management features are disabled
until it is removed.
Attachment failed to respond The hard drive controller cannot send data
to the associated drive.
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