B-1
Appendix B: System Specications
Appendix B
UEFI BIOS Recovery Instructions
Warning: Do not upgrade the BIOS unless your system has a BIOS-related issue.
Flashing the wrong BIOS can cause irreparable damage to the system. In no event shall
Supermicro be liable for direct, indirect, special, incidental, or consequential damages
arising from a BIOS update. If you need to update the BIOS, do not shut down or reset
the system while the BIOS is updating to avoid possible boot failure.
B-1 An Overview to the UEFI BIOS
mechanism for add-on card initialization to allow the UEFI OS loader, which is
control to a computer system at bootup.
B-2 How to Recover the UEFI BIOS Image (-the Main
BIOS Block)
main BIOS image). The boot block contains critical BIOS codes, including memory
main BIOS image is corrupted. When the system power is on, the boot block codes
initialization and bootup.
Note: Follow the BIOS recovery instructions below for BIOS recovery when the main
BIOS boot crashes. However, when the BIOS boot block crashes, you will need to
follow the procedures below for BIOS recovery.
B-3 To Recover the Main BIOS Block Using a USB-
Attached Device
This feature allows the user to recover a BIOS image using a USB-attached device
a USB CD/DVD ROM/RW device can be used for this purpose. However, a USB
Hard Disk drive cannot be used for BIOS recovery at this time.
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