Supermicro SuperServer SYS-121H-TNR - Page 7

7
Preface
Hot-unplug .....................................................................................................................98
Hot-plug .........................................................................................................................98
Related Information Links .................................................................................................98
Chapter 7 Troubleshooting and Support
7.1 Information Resources .......................................................................................................99
Website .............................................................................................................................99
Direct Links for the SYS-121H-TNR System .................................................................99
Direct Links for General Support and Information .......................................................99
7.2 Baseboard Management Controller (BMC) ......................................................................100
7.3 Troubleshooting Procedures ...........................................................................................101
General Technique ..........................................................................................................101
No Power ........................................................................................................................101
No Video .........................................................................................................................102
System Boot Failure .......................................................................................................102
Memory Errors ................................................................................................................102
Losing the System Setup Conguration .........................................................................102
When the System Becomes Unstable ............................................................................102
7.4 Crash Dump Using BMC ..................................................................................................104
7.5 UEFI BIOS Recovery .......................................................................................................105
Overview .........................................................................................................................105
Recovering the UEFI BIOS Image ..................................................................................105
Recovering the Main BIOS Block with a USB Device ....................................................105
7.6 CMOS Clear .....................................................................................................................110
7.7 Where to Get Replacement Components ........................................................................ 111
7.8 BMC ................................................................................................................................111
7.9 Reporting an Issue ...........................................................................................................112
Technical Support Procedures ........................................................................................112
Returning Merchandise for Service .................................................................................112
Vendor Support Filing System ........................................................................................113
7.10 Feedback ......................................................................................................................... 113
Appendix A Standardized Warning Statements for AC Systems
Appendix B System Specications