Supermicro X10SRH-CF/CLN4F User Manual page 125

7. After the system powers on, the secondary boot block starts to initialize the
essential hardware components and locates Super.ROM in the USB flash
drive, which was mounted earlier. If Super.ROM is found, the on-duty boot
block boots to it and finishes the rest of the POST processes. The system
will automatically enter the BIOS recovery flash page in Setup at the end of
POST. Move the cursor to Proceed with flash update and press ENTER.
8. The BIOS recovery flash begins and programs the boot blocks as well as the
main block.
Appendix D: Dual Boot Block
D-5