7
Contents
6.6 GPUs ..................................................................................................................................93
Chapter 7 Troubleshooting and Support
7.1 Information Resources ......................................................................................................101
Website ...........................................................................................................................101
Direct Links for the SYS-620U-TNR System ...............................................................101
Direct Links for General Support and Information .....................................................101
7.2 BMC Interface ...................................................................................................................102
7.3 Troubleshooting Procedures ...........................................................................................103
General Technique ..........................................................................................................103
No Power ........................................................................................................................103
No Video .........................................................................................................................103
System Boot Failure .......................................................................................................104
Memory Errors ................................................................................................................104
Losing the System Setup Configuration
.........................................................................104
When the System Becomes Unstable ............................................................................104
7.4 POST Codes ....................................................................................................................106
7.5 Crash Dump Using the BMC Dashboard ..........................................................................106
7.6 UEFI BIOS Recovery .......................................................................................................107
Overview .........................................................................................................................107
Recovering the UEFI BIOS Image ..................................................................................107
Recovering the Main BIOS Block with a USB Device ....................................................107
7.7 CMOS Clear .....................................................................................................................112
7.8 BMC Reset .......................................................................................................................112
7.9 Where to Get Replacement Components ........................................................................113
7.10 Reporting an Issue ..........................................................................................................113
Technical Support Procedures ........................................................................................113
Returning Merchandise for Service .................................................................................113
Vendor Support Filing System ........................................................................................114
7.11 Feedback .........................................................................................................................114
7.12 Contacting Supermicro ....................................................................................................115
Appendix A Standardized Warning Statements for AC Systems
Appendix B System Specifications