Dell Precision 533CX Setup And Quick Reference Manual page 34

D i a g n o s t i c L i g h t C o d e s B e f o r e P O S T
Light Pattern Cause
Microprocessor and/or voltage
regulator module (VRM) mismatch.
A B C D
Possible VRM 0 failure.
A B C D
Possible VRM 1 failure.
A B C D
Possible VRM 0 and VRM 1 failure.
A B C D
Possible memory riser board A failure. See "System Memory Problems" in the User's Guide.
A B C D
Possible memory riser board B failure. See "System Memory Problems" in the User's Guide.
A B C D
Possible memory riser board A and
riser board B failure.
A B C D
= y e l l o w
= g r e e n
= o f f
34
Setup and Quick Reference Guid e
(continued)
Action
See "Microprocessor Problems" in the User's Guide.
See "Microprocessor Problems" in the User's Guide.
See "Microprocessor Problems" in the User's Guide.
See "Microprocessor Problems" in the User's Guide.
See "System Memory Problems" in the User's Guide.