Configuring the Emulex HBA BIOS to boot from SAN includes enabling the BootBIOS prompt and enabling BIOS. What to read next Enable the BootBIOS PromptWhen you configure the Emulex HBA BIOS to boot ESXi from SAN, you need to enable the BootBIOS prompt. Enable the BIOSWhen you configure the Emulex HBA BIOS to boot ESXi from SAN, you must enable BIOS. Parent topic: Booting ESXi from Fibre Channel SAN