7
Preface
6.6 GPUs ..................................................................................................................................91
Chapter 7 Troubleshooting and Support
7.1 Information Resources ........................................................................................................99
Website .............................................................................................................................99
Direct Links for the 220U-TNR System .........................................................................99
Direct Links for General Support and Information .......................................................99
7.2 BMC Interface ...................................................................................................................100
7.3 Troubleshooting Procedures ...........................................................................................101
No Power ........................................................................................................................101
No Video .........................................................................................................................102
System Boot Failure .......................................................................................................102
Memory Errors ................................................................................................................102
Losing the System Setup Configuration
.........................................................................102
When the System Becomes Unstable ............................................................................102
7.4 BIOS Error Beep (POST) Codes .....................................................................................104
Additional BIOS POST Codes ........................................................................................104
7.5 Crash Dump Using the BMC Dashboard ..........................................................................105
7.6 UEFI BIOS Recovery .......................................................................................................106
Overview .........................................................................................................................106
Recovering the UEFI BIOS Image ..................................................................................106
Recovering the Main BIOS Block with a USB Device ....................................................106
7.7 CMOS Clear .....................................................................................................................111
7.8 BMC Reset .......................................................................................................................111
7.9 Where to Get Replacement Components ........................................................................112
7.10 Reporting an Issue .........................................................................................................112
Technical Support Procedures ........................................................................................112
Returning Merchandise for Service .................................................................................112
Vendor Support Filing System ........................................................................................113
7.11 Feedback .........................................................................................................................113
7.12 Contacting Supermicro ....................................................................................................114
Appendix A Standardized Warning Statements for AC Systems
Appendix B System Specifications
