Supermicro SuperServer 420GH-TNGR User Manual page 7

Direct Links for the 420GH-TNGR System ...................................................................92
Direct Links for General Support and Information .......................................................92
7.2 BMC Interface ....................................................................................................................93
7.3 Troubleshooting Procedures .............................................................................................94
General Technique ............................................................................................................94
No Power ..........................................................................................................................94
No Video ...........................................................................................................................95
System Boot Failure .........................................................................................................95
Memory Errors ..................................................................................................................95
Losing the System Setup Configuration ...........................................................................95
When the System Becomes Unstable ..............................................................................95
7.4 BIOS Error Beep (POST) Codes .......................................................................................97
Additional BIOS POST Codes ..........................................................................................97
7.5 Crash Dump Using the BMC Dashboard ...........................................................................98
7.6 UEFI BIOS Recovery .........................................................................................................99
Overview ...........................................................................................................................99
Recovering the UEFI BIOS Image ....................................................................................99
Recovering the Main BIOS Block with a USB Device ......................................................99
7.7 CMOS Clear .....................................................................................................................104
7.8 Where to Get Replacement Components ........................................................................105
7.9 Reporting an Issue ...........................................................................................................105
Technical Support Procedures ........................................................................................105
Returning Merchandise for Service .................................................................................105
Vendor Support Filing System ........................................................................................106
7.10 Feedback .........................................................................................................................106
7.11 Contacting Supermicro .....................................................................................................107
Appendix A Standardized Warning Statements for AC Systems
Appendix B System Specifications
7
Preface