Dell OptiPlex 330, Quick Reference Manual, Page: 54 / 544

54
Quick Reference Guide
System Messages
NOTE:
If the message you received is not listed in the table, see the documentation
for either the operating system or the program that was running when the message
appeared.
3-2-2 Interrupt vector loading failure
3-2-4 Keyboard Controller Test failure
3-3-1 NVRAM power loss
3-3-2 Invalid NVRAM configuration
3-3-4 Video Memory Test failure
3-4-1 Screen initialization failure
3-4-2 Screen retrace failure
3-4-3 Search for video ROM failure
4-2-1 No timer tick
4-2-2 Shutdown failure
4-2-3 Gate A20 failure
4-2-4 Unexpected interrupt in protected mode
4-3-1 Memory failure above address 0FFFFh
4-3-3 Timer-chip counter 2 failure
4-3-4 Time-of-day clock stopped
4-4-1 Serial or parallel port test failure
4-4-2 Failure to decompress code to shadowed memory
4-4-3 Math-coprocessor test failure
4-4-4 Cache test failure
A
LERT
! P
REVIOUS ATTEMPTS AT BOOTING THIS SYSTEM HAVE FAILED AT
CHECKPOINT
[
NNNN
] . F
OR HELP IN RESOLVING THIS PROBLEM
,
PLEASE NOTE
THIS CHECKPOINT AND CONTACT D ELL T ECHNICAL S UPPORT — The computer
failed to complete the boot routine three consecutive times for the same error.
Code Cause