Dell Precision 530 Setup and Quick Reference Guide - Page 34
yellow, green, Light Pattern, Cause, Action - vrm
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www.dell.com | support.dell.com 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 (continued) Light Pattern Cause Microprocessor and/or voltage regulator module (VRM) mismatch. Action See "Microprocessor Problems" in the User's Guide. A B C D Possible VRM 0 failure. See "Microprocessor Problems" in the User's Guide. A B C D Possible VRM 1 failure. See "Microprocessor Problems" in the User's Guide. A B C D Possible VRM 0 and VRM 1 failure. See "Microprocessor Problems" in the User's Guide. 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 = yellow = green = off See "System Memory Problems" in the User's Guide. 34 Setup and Quick Re ference Guide