TroubleshootingDiagnostic toolsIBM Dynamic System Analysis Preboot diagnostic programDSA diagnostic test resultsDSA Broadcom network test results405-805-000On this page405-805-000 : BRCM:TestLoopbackMAC Test AbortedBRCM:TestLoopbackMAC Test AbortedSeverityWarningServiceableNoRecoverableNoAutomatically Notify SupportNoRelated LinksLenovo Support Web siteLatest level of DSAGive documentation feedback